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Gomes LB, Gonçalves GR, Velazco SJE, de Moraes KF, Marques Neto OP, Santos FDS, Santos MPD, Lima MGM. Conservation challenges for Brazilian primates and the role of protected areas in a changing climate. Sci Rep 2024; 14:31356. [PMID: 39732844 PMCID: PMC11682228 DOI: 10.1038/s41598-024-82717-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2024] [Accepted: 12/09/2024] [Indexed: 12/30/2024] Open
Abstract
The negative effects of land-use changes on biodiversity significantly contribute to climate change. Primates are among the animals most affected by these changes, because of their high dependence on forest cover where a lack of forest connectivity can limit their dispersal and segregate their populations. In this sense, protected areas (PAs) are crucial for conserving endangered primates, especially endemic species. Using species distribution models, we assessed the impact of climate change and deforestation on the geographic distribution of 35 endangered Brazilian primates. We also evaluated the potential of PAs to retain suitable habitats for primate species under current conditions (baseline) and four future climate scenarios (optimistic and pessimistic, both for the periods 2041-2060 and 2061-2080), as well as the capacity of PAs to preserve species' geographic representation both now and in the future. Our findings indicate that most primate taxa would experience a significant loss of suitable area (> 90%) in both pessimistic and optimistic scenarios. For future scenarios, the loss could exceed 98% for 10 taxa, particularly Amazonian species. Regarding PAs potential to retain suitable areas for maintaining the richness of threatened primates, only 8.6% harbor more species than expected by chance (1-6 taxa) in the baseline conditions, with a decrease in future scenarios. Results suggest that taxa already threatened with extinction are inadequately protected by PAs in the baseline conditions and even less so in future scenarios. Given the restricted geographic distribution and current population decline for most taxa, we emphasize the need to increase the number of PAs to ensure population viability and prevent future extinction.
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Affiliation(s)
- Letícia Braga Gomes
- Programa de Pós-Graduação em Ecologia, Instituto de Ciência Biológicas, Universidade Federal do Pará, Belém, Brazil
- Laboratório de Biogeografia da Conservação e Macroecologia, Instituto de Ciência Biológicas, Universidade Federal do Pará, Belém, Brazil
| | - Gabriela Ribeiro Gonçalves
- Programa de Pesquisa em Biodiversidade Amazônia Oriental, Rede Resiliência, Instituto Tecnológico da Vale, Belém, Pará, Brazil
| | - Santiago José Elías Velazco
- Instituto de Biología Subtropical, Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional de Misiones, Tres Fronteras 183, Puerto Iguazú, Misiones, Argentina
- Department of Geography, San Diego State University, San Diego, CA, USA
| | - Kauê Felippe de Moraes
- Laboratório de Biogeografia da Conservação e Macroecologia, Instituto de Ciência Biológicas, Universidade Federal do Pará, Belém, Brazil
| | - Osvaldo Pimentel Marques Neto
- Programa de Pós-Graduação em Ecologia, Instituto de Ciência Biológicas, Universidade Federal do Pará, Belém, Brazil
- Laboratório de Biogeografia da Conservação e Macroecologia, Instituto de Ciência Biológicas, Universidade Federal do Pará, Belém, Brazil
| | - Fernanda da Silva Santos
- Laboratório de Biogeografia da Conservação e Macroecologia, Instituto de Ciência Biológicas, Universidade Federal do Pará, Belém, Brazil
| | - Marcos Pérsio Dantas Santos
- Programa de Pós-Graduação em Ecologia, Instituto de Ciência Biológicas, Universidade Federal do Pará, Belém, Brazil
- Laboratório de Biogeografia da Conservação e Macroecologia, Instituto de Ciência Biológicas, Universidade Federal do Pará, Belém, Brazil
| | - Marcela Guimarães Moreira Lima
- Programa de Pós-Graduação em Ecologia, Instituto de Ciência Biológicas, Universidade Federal do Pará, Belém, Brazil.
- Laboratório de Biogeografia da Conservação e Macroecologia, Instituto de Ciência Biológicas, Universidade Federal do Pará, Belém, Brazil.
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2
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Urban MC. Climate change extinctions. Science 2024; 386:1123-1128. [PMID: 39636977 DOI: 10.1126/science.adp4461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Accepted: 10/28/2024] [Indexed: 12/07/2024]
Abstract
Climate change is expected to cause irreversible changes to biodiversity, but predicting those risks remains uncertain. I synthesized 485 studies and more than 5 million projections to produce a quantitative global assessment of climate change extinctions. With increased certainty, this meta-analysis suggests that extinctions will accelerate rapidly if global temperatures exceed 1.5°C. The highest-emission scenario would threaten approximately one-third of species, globally. Amphibians; species from mountain, island, and freshwater ecosystems; and species inhabiting South America, Australia, and New Zealand face the greatest threats. In line with predictions, climate change has contributed to an increasing proportion of observed global extinctions since 1970. Besides limiting greenhouse gases, pinpointing which species to protect first will be critical for preserving biodiversity until anthropogenic climate change is halted and reversed.
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Affiliation(s)
- Mark C Urban
- Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, CT, USA
- Center of Biological Risk, University of Connecticut, Storrs, CT, USA
- School of Biological Sciences, University of Aberdeen, Aberdeen, UK
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3
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Galán-Acedo C, Verde Arregoitia LD, Arasa-Gisbert R, Auliz-Ortiz D, Saldivar-Burrola LL, Gouveia SF, Correia I, Rosete-Vergés FA, Dinnage R, Villalobos F. Global primary predictors of extinction risk in primates. Proc Biol Sci 2024; 291:20241905. [PMID: 39353553 PMCID: PMC11444774 DOI: 10.1098/rspb.2024.1905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 08/22/2024] [Accepted: 08/23/2024] [Indexed: 10/04/2024] Open
Abstract
Identifying the main predictors of species' extinction risk while accounting for the effects of spatial and phylogenetic structures in the data is key to preventing species loss in tropical forests through adequate conservation practices. We recorded 22 705 precise geographical locations of primate occurrence across four major geographic realms (Neotropics, mainland Africa, Madagascar and Asia) to assess predictors of threat status using a novel Bayesian spatio-phylogenetic approach. We estimated the relative contributions of fixed factors (forest amount, body mass, home range, diel activity, locomotion, evolutionary distinctiveness and climatic instability) and random factors (space and phylogeny) to primate extinction risk. Precipitation instability increased the extinction risk in the Neotropics but decreased it in mainland Africa and Madagascar. Forest amount was negatively associated with extinction risk in all realms except Madagascar. Body mass increased the extinction risk in the Neotropics and Madagascar, whereas home range increased the extinction risk in mainland Africa and decreased it in Asia. Evolutionary distinctiveness negatively influenced extinction risk only in mainland Africa. Our findings highlight the importance of climate change mitigation and forest protection strategies. Increasing the protection of large primates and reducing hunting are also essential.
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Affiliation(s)
- Carmen Galán-Acedo
- Department of Biology, Geomatics and Landscape Ecology Laboratory, Carleton University, Ottawa, OntarioK1S 5B6, Canada
- Escuela Nacional de Estudios Superiores, Universidad Nacional Autónoma de México, Morelia, Michoacán37684, Mexico
| | - Luis Darcy Verde Arregoitia
- Red de Biología Evolutiva, Instituto de Ecología A.C, Xalapa, Veracruz91073, Mexico
- Laboratorio de Conservación y Bienestar Humano, Instituto en Ecología y Biodiversidad, Concepción, Chile
| | - Ricard Arasa-Gisbert
- Instituto de Investigaciones Forestales, Universidad Veracruzana, Xalapa-Enríquez, Veracruz91070, Mexico
| | - Daniel Auliz-Ortiz
- Departament of Zoology, Instituto de Biología, Universidad Nacional Autónoma de México, Ciudad de México04510, Mexico
| | | | - Sidney F. Gouveia
- Department of Ecology, Universidade Federal de Sergipe, São Cristóvão, Sergipe, Brazil
| | - Isadora Correia
- Department of Ecology, Universidade Federal de Sergipe, São Cristóvão, Sergipe, Brazil
| | | | - Russell Dinnage
- Department of Biological Sciences, Florida International University, Miami, FL33199, USA
| | - Fabricio Villalobos
- Red de Biología Evolutiva, Instituto de Ecología A.C, Xalapa, Veracruz91073, Mexico
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Wan Y, Li L, Zhou J, Ma Y, Zhang Y, Liu Y, Li J, Liu W. Predicting the potential distribution change of the endangered Francois' langur ( Trachypithecus francoisi) across its entire range in China under climate change. Ecol Evol 2024; 14:e11684. [PMID: 38988350 PMCID: PMC11236436 DOI: 10.1002/ece3.11684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 05/31/2024] [Accepted: 06/20/2024] [Indexed: 07/12/2024] Open
Abstract
The Francois' langur (Trachypithecus francoisi) is a rare primate species indicated as endangered and distributed in karst areas in northern Vietnam and southwestern China. However, research limited to specific nature reserves or sites has hampered holistic conservation management. A comprehensive map of the potential distribution for the Francois' langur is essential to advance conservation efforts and ensure coordinated management across regions. Here, we used 82 occurrence records of Francois' langur surveyed in Guangxi, Guizhou, and Chongqing from 2017 to 2020, along with 12 environmental variables, to build the potential habitat model under current and future climate (2030, 2050, 2070, and 2090s) using maximum entropy models (MaxEnt). Our results indicated that (1) precipitation- and temperature-associated bioclimatic variables contributed the most to the distribution of Francois' langur. Vegetation, water sources, and anthropogenic variables also affected its distribution; (2) a total of 144,207.44 km2 of potential suitable habitat across the entire range in China was estimated by the current model. Moderate- and high-suitability habitats accounted for only 23.76% (34,265.96 km2) of the predicted suitable habitat and were mainly distributed in southwest Guangxi, east of Chongqing, and the border between Guizhou and Chongqing; (3) the suitable habitats of Francois' langur will contract considerably under future climate change, and the habitat centroid will move in the southeast direction with a shifting distance of approximately 2.84 km/year from current to 2100. The habitat prediction of Francois' langur and the main drivers proposed in this study could provide essential insights for the future conservation of this endangered species. The existing distribution areas should be monitored and protected, but conservation beyond existing habitats should also be a focus of effort, especially in future expansion areas. This would ensure effective and timely protection under climate change and anthropogenic pressures.
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Affiliation(s)
- Yaqiong Wan
- The State Environmental Protection Key Laboratory on Biodiversity and Biosafety, Nanjing Institute of Environmental Sciences Ministry of Ecology and Environment Nanjing China
| | - Luanxin Li
- The State Environmental Protection Key Laboratory on Biodiversity and Biosafety, Nanjing Institute of Environmental Sciences Ministry of Ecology and Environment Nanjing China
| | - Jiang Zhou
- School of Karst Science Guizhou Normal University Guiyang China
| | - Yue Ma
- The State Environmental Protection Key Laboratory on Biodiversity and Biosafety, Nanjing Institute of Environmental Sciences Ministry of Ecology and Environment Nanjing China
| | - Yanjing Zhang
- The State Environmental Protection Key Laboratory on Biodiversity and Biosafety, Nanjing Institute of Environmental Sciences Ministry of Ecology and Environment Nanjing China
| | - Yan Liu
- The State Environmental Protection Key Laboratory on Biodiversity and Biosafety, Nanjing Institute of Environmental Sciences Ministry of Ecology and Environment Nanjing China
| | - Jiaqi Li
- The State Environmental Protection Key Laboratory on Biodiversity and Biosafety, Nanjing Institute of Environmental Sciences Ministry of Ecology and Environment Nanjing China
| | - Wei Liu
- The State Environmental Protection Key Laboratory on Biodiversity and Biosafety, Nanjing Institute of Environmental Sciences Ministry of Ecology and Environment Nanjing China
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5
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Thompson CL, Hermann EA. Behavioral thermoregulation in primates: A review of literature and future avenues. Am J Primatol 2024; 86:e23614. [PMID: 38433290 DOI: 10.1002/ajp.23614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 02/13/2024] [Accepted: 02/17/2024] [Indexed: 03/05/2024]
Abstract
Primates face severe challenges from climate change, with warming expected to increase animals' thermoregulatory demands. Primates have limited long-term options to cope with climate change, but possess a remarkable capacity for behavioral plasticity. This creates an urgency to better understand the behavioral mechanisms primates use to thermoregulate. While considerable information exists on primate behavioral thermoregulation, it is often scattered in the literature in a manner that is difficult to integrate. This review evaluates the status of the available literature on primate behavioral thermoregulation to facilitate future research. We surveyed peer-reviewed publications on primate thermoregulation for N = 17 behaviors across four thermoregulatory categories: activity budgeting, microhabitat use, body positioning, and evaporative cooling. We recorded data on the primate taxa evaluated, support for a thermoregulatory function, thermal variable assessed, and naturalistic/manipulative study conditions. Behavioral thermoregulation was pervasive across primates, with N = 721 cases of thermoregulatory behaviors identified across N = 284 published studies. Most genera were known to utilize multiple behaviors (x ¯ = 4.5 ± 3.1 behaviors/genera). Activity budgeting behaviors were the most commonly encountered category in the literature (54.5% of cases), while evaporative cooling behaviors were the least represented (6.9% of cases). Behavioral thermoregulation studies were underrepresented for certain taxonomic groups, including lemurs, lorises, galagos, and Central/South American primates, and there were large within-taxa disparities in representation of genera. Support for a thermoregulatory function was consistently high across all behaviors, spanning both hot- and cold-avoidance strategies. This review reveals asymmetries in the current literature and avenues for future research. Increased knowledge of the impact thermoregulatory behaviors have on biologically relevant outcomes is needed to better assess primate responses to warming environments and develop early indicators of thermal stress.
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Affiliation(s)
- Cynthia L Thompson
- Department of Biomedical Sciences, Grand Valley State University, Allendale, Michigan, USA
| | - Emily A Hermann
- Department of Biomedical Sciences, Grand Valley State University, Allendale, Michigan, USA
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van Holstein LA, McKay HD, Pimiento C, Koops K. Multidimensional primate niche space sheds light on interspecific competition in primate evolution. Commun Biol 2024; 7:647. [PMID: 38802506 PMCID: PMC11130132 DOI: 10.1038/s42003-024-06324-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Accepted: 05/13/2024] [Indexed: 05/29/2024] Open
Abstract
Characterising how the totality of primate diversity is distributed across the order, and how it evolved, is challenging because diversity in individual traits often show opposing phylogenetic patterns. A species' combination of traits can be conceptualised as its 'niche'. Here, we describe and analyse seven-dimensional niche space, comprising 11 traits, for 191 primate species. Multifaceted diversity is distributed unequally among taxonomic groups. Cercopithecoidea and Hominidae occupy the largest areas of niche space, and are the most diverse families; platyrrhine families occupy small areas, and this space overlaps with strepsirrhines. The evolution of species' locations in niche space is regulated by selection for adaptive optima in trait combinations. Given that niche similarity results in interspecific competition, we quantify two measures of species' niche locations relative to others. We find that omnivores, frugivores, and species tolerating higher temperatures experience stronger interspecific competition. Hominidae occupation of niche space suggests competitive exclusion from niches by Cercopithecoidea over evolutionary time; but living great apes experience the lowest levels of interspecific competition. Callitrichids experience the highest levels of interspecific competition. Our results provide a standardised measure of primate niches that sheds light on the partitioning and evolution of primate diversity, and how this is driven by interspecific competition.
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Affiliation(s)
- L A van Holstein
- Clare College, University of Cambridge, Cambridge, UK.
- Ape Behaviour & Ecology Group, Department of Evolutionary Anthropology, University of Zurich, Zurich, Switzerland.
| | - H D McKay
- Department of Archaeology, University of Cambridge, Cambridge, UK
| | - C Pimiento
- Department of Paleontology, University of Zurich, Zurich, Switzerland
- Department of Biosciences, Swansea University, Swansea, UK
| | - K Koops
- Ape Behaviour & Ecology Group, Department of Evolutionary Anthropology, University of Zurich, Zurich, Switzerland
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7
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Bataillard L, Eriksen A, de Melo FR, Milagres AP, Devineau O, Vital OV. Using ecological niche modelling to prioritise areas for conservation of the critically endangered Buffy-Headed marmoset ( Callithrix flaviceps). Ecol Evol 2024; 14:e11203. [PMID: 38584769 PMCID: PMC10995821 DOI: 10.1002/ece3.11203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 03/13/2024] [Accepted: 03/18/2024] [Indexed: 04/09/2024] Open
Abstract
Endemic to the Atlantic Forest in Southeastern Brazil, the critically endangered Buffy-Headed marmoset (Callithrix flaviceps) is lacking the required attention for effective conservation. We modelled its ecological niche with the main objectives of (1) defining suitable habitat and (2) prioritising areas for conservation and/or restoration. The current geographical range of Callithrix flaviceps in the Atlantic Forest of Southeast Brazil. We used Ensemble Species Distribution Modelling to define current habitat suitability considering four climate and two landscape variables. To identify areas to prioritise for conservation and/or restoration, we predicted future habitat suitability considering the intermediate (RCP4.5) and extreme (RCP8.5) climate change scenarios for the years 2050 and 2070. Among the variables included to predict current species distribution, tree canopy cover, precipitation seasonality and temperature seasonality were the most important whereas digital elevation model and precipitation during the wettest month were the least important. Callithrix flaviceps was most likely to occur in areas with tree canopy cover >80%, high precipitation seasonality and temperature seasonality between 21 and 23°C. From the future suitability prediction maps, the Caparaó National Park stands out as a likely key area for the preservation of the species. Furthermore, high climatic suitability but low landscape suitability suggests that habitat restoration in 'Serra das Torres' (South of the current distribution area) might be a useful strategy. However, creating ecological corridors on the west side of Caparaó would be necessary to improve connectivity. More surveys within and beyond the current geographical range are required to define more precisely the distribution of the species. Our results support the notion that seasonality is important for Callithrix flaviceps and that as a montane species, it prefers colder environments and higher altitudes. Within both climate change scenarios, Caparaó National Park was predicted to be highly suitable, with a high probability of presence.
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Affiliation(s)
- Léa Bataillard
- Department of Forestry and Wildlife ManagementInland Norway University of Applied SciencesKoppangNorway
| | - Ane Eriksen
- Department of Forestry and Wildlife ManagementInland Norway University of Applied SciencesKoppangNorway
| | - Fabiano R. de Melo
- Department of Forestry EngineeringFederal University of ViçosaViçosaMinas GeraisBrazil
| | | | - Olivier Devineau
- Department of Forestry and Wildlife ManagementInland Norway University of Applied SciencesKoppangNorway
| | - Orlando Vítor Vital
- Department of Forestry EngineeringFederal University of ViçosaViçosaMinas GeraisBrazil
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8
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Dai Y, Xia W, Zhu Y, Hacker C, Wang X, Li D. Historical changes in the distribution of the Sichuan golden snub-nosed monkey ( Rhinopithecus roxellana) in Sichuan Province, China. Ecol Evol 2024; 14:e11270. [PMID: 38633522 PMCID: PMC11021920 DOI: 10.1002/ece3.11270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 03/25/2024] [Accepted: 04/01/2024] [Indexed: 04/19/2024] Open
Abstract
The Sichuan golden snub-nosed monkey (Rhinopithecus roxellana) is a rare and endangered primate species endemic to China. Conducting research on the population distribution changes of the Sichuan golden snub-nosed monkey holds paramount importance for its conservation. Our study represented a comprehensive investigation into the population distribution of the Sichuan snub-nosed monkey by integrating data acquired from field surveys, protected areas, and historical records and using Geographic Information Systems (GIS) to explore changes in distribution across various time periods, including the historical (the Mid-to-Late Pleistocene), recent (1980-2000), and current (2001-2023). The research findings demonstrate a significant shift in the distribution range of the Sichuan golden snub-nosed monkey compared to historical time frames. Notably, between 1980 and 2000, there was a sharp decline in distribution area. Analyses revealed that the southernmost distribution county for the Sichuan golden snub-nosed monkey in Sichuan Province has shifted northward from Huili to Kangding. Furthermore, distribution changes in Sichuan Province are not solely characterized by a reduction in habitat area but also by a decrease in vertical distribution zones. Regions in the northeastern part of Sichuan with elevations below 1000 m, such as Guang'an City, Bazhong City, Dazhou City, and Nanchong City, no longer support the presence of the Sichuan golden snub-nosed monkey. At present, the distribution range is confined to elevations between 1000 and 4000 m in the two major mountain ranges of Qionglai and Minshan. A holistic approach is required to safeguard this species. The establishment of movement corridors can play a critical role in enhancing the overall connectivity of current distribution areas. Additionally, we propose implementing a hierarchical approach to protect current habitats. Spatially differentiated conservation measures should be implemented to prioritize the protection of key habitats while simultaneously monitoring anthropogenic activities in non-key habitats to prevent further fragmentation and isolation of the monkey's distribution areas.
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Affiliation(s)
- Yunchuan Dai
- Key Laboratory of Southwest China Wildlife Resources Conservation (Ministry of Education)China West Normal UniversityNanchongSichuan ProvinceChina
- Institute for Ecology and Environmental ResourcesChongqing Academy of Social SciencesChongqingChina
| | - Wancai Xia
- Key Laboratory of Southwest China Wildlife Resources Conservation (Ministry of Education)China West Normal UniversityNanchongSichuan ProvinceChina
- Key Laboratory of Conservation Biology of Rhinopithecus roxellana at China West Normal University of Sichuan ProvinceNanchongSichuan ProvinceChina
| | - Yujing Zhu
- Key Laboratory of Southwest China Wildlife Resources Conservation (Ministry of Education)China West Normal UniversityNanchongSichuan ProvinceChina
- Key Laboratory of Conservation Biology of Rhinopithecus roxellana at China West Normal University of Sichuan ProvinceNanchongSichuan ProvinceChina
| | | | - Xueyu Wang
- Key Laboratory of Southwest China Wildlife Resources Conservation (Ministry of Education)China West Normal UniversityNanchongSichuan ProvinceChina
- Key Laboratory of Conservation Biology of Rhinopithecus roxellana at China West Normal University of Sichuan ProvinceNanchongSichuan ProvinceChina
| | - Dayong Li
- Key Laboratory of Southwest China Wildlife Resources Conservation (Ministry of Education)China West Normal UniversityNanchongSichuan ProvinceChina
- Key Laboratory of Conservation Biology of Rhinopithecus roxellana at China West Normal University of Sichuan ProvinceNanchongSichuan ProvinceChina
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9
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Garber PA, Estrada A, Klain V, Bicca-Marques JC. An urgent call-to-action to protect the nonhuman primates and Indigenous Peoples of the Brazilian Amazon. Am J Primatol 2024; 86:e23523. [PMID: 37221905 DOI: 10.1002/ajp.23523] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 03/21/2023] [Accepted: 05/13/2023] [Indexed: 05/25/2023]
Abstract
Primates are facing an impending extinction crisis. Here, we examine the set of conservation challenges faced by the 100 primate species that inhabit the Brazilian Amazon, the largest remaining area of primary tropical rainforest in the world. The vast majority (86%) of Brazil's Amazonian primate species have declining populations. Primate population decline in Amazonia has been driven principally by deforestation related to the production of forest-risk commodities including soy and cattle ranching, the illegal logging and setting of fires, dam building, road and rail construction, hunting, mining, and the confiscation and conversion of Indigenous Peoples' traditional lands. In a spatial analysis of the Brazilian Amazon, we found that 75% of Indigenous Peoples' lands (IPLs) remained forested compared with 64% of Conservation Units (CUs) and 56% of other lands (OLs). In addition, primate species richness was significantly higher on IPLs than on CUs and OLs. Thus, safeguarding Indigenous Peoples' land rights, systems of knowledge, and human rights is one of the most effective ways to protect Amazonian primates and the conservation value of the ecosystems they inhabit. Intense public and political pressure is required and a global call-to-action is needed to encourage all Amazonian countries, especially Brazil, as well as citizens of consumer nations, to actively commit to changing business as usual, living more sustainably, and doing all they can to protect the Amazon. We end with a set of actions one can take to promote primate conservation in the Brazilian Amazon.
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Affiliation(s)
- Paul A Garber
- Department of Anthropology and Program in Ecology, Evolution, and Conservation Biology, University of Illinois, Urbana, Illinois, USA
- International Centre of Biodiversity and Primate Conservation, Dali University, Dali, Yunnan, China
| | - Alejandro Estrada
- Institute of Biology, National Autonomous University of Mexico, Mexico City, Mexico
| | - Vinícius Klain
- Laboratório de Primatologia, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Júlio César Bicca-Marques
- Laboratório de Primatologia, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
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10
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Li WB, Teng Y, Zhang MY, Shen Y, Liu JW, Qi JW, Wang XC, Wu RF, Li JH, Garber PA, Li M. Human activity and climate change accelerate the extinction risk to non-human primates in China. GLOBAL CHANGE BIOLOGY 2024; 30:e17114. [PMID: 38273577 DOI: 10.1111/gcb.17114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 12/07/2023] [Accepted: 12/10/2023] [Indexed: 01/27/2024]
Abstract
Human activity and climate change affect biodiversity and cause species range shifts, contractions, and expansions. Globally, human activities and climate change have emerged as persistent threats to biodiversity, leading to approximately 68% of the ~522 primate species being threatened with extinction. Here, we used habitat suitability models and integrated data on human population density, gross domestic product (GDP), road construction, the normalized difference vegetation index (NDVI), the location of protected areas (PAs), and climate change to predict potential changes in the distributional range and richness of 26 China's primate species. Our results indicate that both PAs and NDVI have a positive impact on primate distributions. With increasing anthropogenic pressure, species' ranges were restricted to areas of high vegetation cover and in PAs surrounded by buffer zones of 2.7-4.5 km and a core area of PAs at least 0.1-0.5 km from the closest edge of the PA. Areas with a GDP below the Chinese national average of 100,000 yuan were found to be ecologically vulnerable, and this had a negative impact on primate distributions. Changes in temperature and precipitation were also significant contributors to a reduction in the range of primate species. Under the expected influence of climate change over the next 30-50 years, we found that highly suitable habitat for primates will continue to decrease and species will be restricted to smaller and more peripheral parts of their current range. Areas of high primate diversity are expected to lose from 3 to 7 species. We recommend that immediate action be taken, including expanding China's National Park Program, the Ecological Conservation Redline Program, and the Natural Forest Protection Program, along with a stronger national policy promoting alternative/sustainable livelihoods for people in the local communities adjacent to primate ranges, to offset the detrimental effects of anthropogenic activities and climate change on primate survivorship.
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Affiliation(s)
- Wen-Bo Li
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
- School of Resources and Environmental Engineering, Anhui University, Hefei, Anhui, China
- International Collaborative Research Center for Huangshan Biodiversity and Tibetan Macaque Behavioral Ecology, Hefei, Anhui, China
| | - Yang Teng
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Ming-Yi Zhang
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Ying Shen
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Jia-Wen Liu
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Ji-Wei Qi
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Xiao-Chen Wang
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Rui-Feng Wu
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Jin-Hua Li
- International Collaborative Research Center for Huangshan Biodiversity and Tibetan Macaque Behavioral Ecology, Hefei, Anhui, China
- School of Life Sciences, Hefei Normal University, Hefei, Anhui, China
| | - Paul A Garber
- Department of Anthropology and Program in Ecology, Evolution, and Conservation Biology, University of Illinois, Urbana, Illinois, USA
- International Centre of Biodiversity and Primate Conservation, Dali University, Dali, Yunnan, China
| | - Ming Li
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
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Ahmed AS, Chala D, Kufa CA, Atickem A, Bekele A, Svenning JC, Zinner D. Potential changes in the extent of suitable habitats for geladas (Theropithecus gelada) in the Anthropocene. BMC Ecol Evol 2023; 23:65. [PMID: 37919657 PMCID: PMC10623689 DOI: 10.1186/s12862-023-02173-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 10/25/2023] [Indexed: 11/04/2023] Open
Abstract
BACKGROUND Climate change coupled with other anthropogenic pressures may affect the extent of suitable habitat for species and thus their distributions. This is particularly true for species occupying high-altitude habitats such as the gelada (Theropithecus gelada) of the Ethiopian highlands. To explore the impact of climate change on species distributions, Species Distribution Modelling (SDM) has been extensively used. Here we model the current and future extent of sutibale habitat for geladas. Our modelling was based on 285 presence locations of geladas, covering their complete current distribution. We used different techniques to generate pseudoabsence datasets, MaxEnt model complexities, and cut-off thresholds to map the potential distribution of gelada under current and future climates (2050 and 2070). We assembled maps from these techniques to produce a final composite map. We also evaluated the change in the topographic features of gelada over the past 200 years by comparing the topography in current and historical settings. RESULTS All model runs had high performances, AUC = 0.87-0.96. Under the current climate, the suitable habitat predicted with high certainty was 90,891 km2, but it decreased remarkably under future climates, -36% by 2050 and - 52% by 2070. However, since the habitats of geladas already extend to mountaintop grasslands, no remarkable range shifts across elevation gradients were predicted under future climates. CONCLUSIONS Our findings indicated that climate change most likely results in a loss of suitable habitat for geladas, particularly south of the Rift Valley. Currently geladas are confined to higher altitudes and steep slopes compared to historical sightings, probably qualifying geladas as refugee species. The difference in topography is potentially associated with anthropogenic pressures that drove niche truncation to higher altitudes, undermining the climatic and topographic niche our models predicted. We recommend protecting the current habitats of geladas even when they are forecasted to become climatically unsuitable in the future, in particular for the population south of the Rift Valley.
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Affiliation(s)
- Ahmed Seid Ahmed
- Department of Biology, Hawassa University, P. O. Box 05, Hawassa, Ethiopia.
- Department of Zoological Sciences, Addis Ababa University, P. O. Box. 1176, Addis Ababa, Ethiopia.
| | - Desalegn Chala
- Natural History Museum, University of Oslo, P. O. Box 1172, Blindern, Oslo, NO-0318, Norway
| | - Chala Adugna Kufa
- Department of Zoological Sciences, Addis Ababa University, P. O. Box. 1176, Addis Ababa, Ethiopia
- Department of Biology, Woldia University, P. O. Box 400, Woldia, Ethiopia
| | - Anagaw Atickem
- Department of Zoological Sciences, Addis Ababa University, P. O. Box. 1176, Addis Ababa, Ethiopia
| | - Afework Bekele
- Department of Zoological Sciences, Addis Ababa University, P. O. Box. 1176, Addis Ababa, Ethiopia
| | - Jens-Christian Svenning
- Center for Ecological Dynamics in a Novel Biosphere (ECONOVO), Department of Biology, Aarhus University, Ny Munkegade 114, Aarhus C, DK-8000, Denmark
- Center for Biodiversity Dynamics in a Changing World (BIOCHANGE), Department of Biology, Aarhus University, Ny Munkegade 114, Aarhus C, DK-8000, Denmark
| | - Dietmar Zinner
- Cognitive Ecology Laboratory, German Primate Center, Leibniz Institute for Primate Research, 37077, Göttingen, Germany
- Department of Primate Cognition, Georg-August-Universität Göttingen, 37077, Göttingen, Germany
- Leibniz Science Campus Primate Cognition, 37077, Göttingen, Germany
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12
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Torres-Romero EJ, Nijman V, Fernández D, Eppley TM. Human-modified landscapes driving the global primate extinction crisis. GLOBAL CHANGE BIOLOGY 2023; 29:5775-5787. [PMID: 37578114 DOI: 10.1111/gcb.16902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 07/24/2023] [Indexed: 08/15/2023]
Abstract
The world's primates have been severely impacted in diverse and profound ways by anthropogenic pressures. Here, we evaluate the impact of various infrastructures and human-modified landscapes on spatial patterns of primate species richness, at both global and regional scales. We overlaid the International Union for the Conservation of Nature (IUCN) range maps of 520 primate species and applied a global 100 km2 grid. We used structural equation modeling and simultaneous autoregressive models to evaluate direct and indirect effects of six human-altered landscapes variables (i.e., human footprint [HFP], croplands [CROP], road density [ROAD], pasture lands [PAST], protected areas [PAs], and Indigenous Peoples' lands [IPLs]) on global primate species richness, threatened and non-threatened species, as well as on species with decreasing and non-decreasing populations. Two-thirds of all primate species are classified as threatened (i.e., Critically Endangered, Endangered, and Vulnerable), with ~86% experiencing population declines, and ~84% impacted by domestic or international trade. We found that the expansion of PAST, HFP, CROP, and road infrastructure had the most direct negative effects on primate richness. In contrast, forested habitat within IPLs and PAs was positively associated in safeguarding primate species diversity globally, with an even stronger effect at the regional level. Our results show that IPLs and PAs play a critical role in primate species conservation, helping to prevent their extinction; in contrast, HFP growth and expansion has a dramatically negative effect on primate species worldwide. Our findings support predictions that the continued negative impact of anthropogenic pressures on natural habitats may lead to a significant decline in global primate species richness, and likely, species extirpations. We advocate for stronger national and international policy frameworks promoting alternative/sustainable livelihoods and reducing persistent anthropogenic pressures to help mitigate the extinction risk of the world's primate species.
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Affiliation(s)
- Erik Joaquín Torres-Romero
- Ingeniería en Biotecnología-Universidad Politécnica de Puebla, Puebla, Mexico
- División de Biología, Tecnológico Nacional de México campus Zacapoaxtla, Subdirección de Investigación y Posgrado, Puebla, Mexico
| | - Vincent Nijman
- Oxford Wildlife Trade Research Group, Oxford Brookes University, Oxford, UK
| | - David Fernández
- Department of Anthropology and Archaeology, University of Calgary, Calgary, Alberta, Canada
| | - Timothy M Eppley
- Wildlife Madagascar, Antananarivo, Madagascar
- Department of Anthropology, Portland State University, Portland, Oregon, USA
- Conservation Science and Wildlife Health, San Diego Zoo Wildlife Alliance, Escondido, California, USA
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13
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Bonnin N, Piel AK, Brown RP, Li Y, Connell JA, Avitto AN, Boubli JP, Chitayat A, Giles J, Gundlapally MS, Lipende I, Lonsdorf EV, Mjungu D, Mwacha D, Pintea L, Pusey AE, Raphael J, Wich SA, Wilson ML, Wroblewski EE, Hahn BH, Stewart FA. Barriers to chimpanzee gene flow at the south-east edge of their distribution. Mol Ecol 2023; 32:3842-3858. [PMID: 37277946 PMCID: PMC10421595 DOI: 10.1111/mec.16986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 04/28/2023] [Accepted: 05/02/2023] [Indexed: 06/07/2023]
Abstract
Populations on the edge of a species' distribution may represent an important source of adaptive diversity, yet these populations tend to be more fragmented and are more likely to be geographically isolated. Lack of genetic exchanges between such populations, due to barriers to animal movement, can not only compromise adaptive potential but also lead to the fixation of deleterious alleles. The south-eastern edge of chimpanzee distribution is particularly fragmented, and conflicting hypotheses have been proposed about population connectivity and viability. To address this uncertainty, we generated both mitochondrial and MiSeq-based microsatellite genotypes for 290 individuals ranging across western Tanzania. While shared mitochondrial haplotypes confirmed historical gene flow, our microsatellite analyses revealed two distinct clusters, suggesting two populations currently isolated from one another. However, we found evidence of high levels of gene flow maintained within each of these clusters, one of which covers an 18,000 km2 ecosystem. Landscape genetic analyses confirmed the presence of barriers to gene flow with rivers and bare habitats highly restricting chimpanzee movement. Our study demonstrates how advances in sequencing technologies, combined with the development of landscape genetics approaches, can resolve ambiguities in the genetic history of critical populations and better inform conservation efforts of endangered species.
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Affiliation(s)
- Noémie Bonnin
- School of Biological and Environmental Sciences, Liverpool John Moores University, UK
| | - Alex K. Piel
- Department of Anthropology, University College London, London, UK
| | - Richard P. Brown
- School of Biological and Environmental Sciences, Liverpool John Moores University, UK
| | - Yingying Li
- Departments of Medicine and Microbiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jesse A. Connell
- Departments of Medicine and Microbiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Alexa N. Avitto
- Departments of Medicine and Microbiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jean P. Boubli
- School of Science, Engineering & Environment, University of Salford, Salford, UK
| | - Adrienne Chitayat
- Institute of Biodiversity and Ecological Dynamics, University of Amsterdam, The Netherlands
| | - Jasmin Giles
- Departments of Medicine and Microbiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Madhurima S. Gundlapally
- Departments of Medicine and Microbiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Iddi Lipende
- Tanzania Wildlife Research Institute (TAWIRI), Arusha, Tanzania
| | - Elizabeth V. Lonsdorf
- Department of Psychology, Franklin and Marshall College, Lancaster, PA 17604, USA
- Department of Anthropology, Emory University, Atlanta, GA 30322, USA
| | - Deus Mjungu
- Gombe Stream Research Centre, The Jane Goodall Institute–Tanzania, P.O. Box 1182, Kigoma, Tanzania
| | - Dismas Mwacha
- Gombe Stream Research Centre, The Jane Goodall Institute–Tanzania, P.O. Box 1182, Kigoma, Tanzania
| | - Lilian Pintea
- Conservation Science Department, the Jane Goodall Institute, Washington, DC, 20036, USA
| | - Anne E. Pusey
- Department of Evolutionary Anthropology, Duke University, Durham, NC, USA
| | | | - Serge A. Wich
- School of Biological and Environmental Sciences, Liverpool John Moores University, UK
- Institute of Biodiversity and Ecological Dynamics, University of Amsterdam, The Netherlands
| | - Michael L. Wilson
- Department of Anthropology, University of Minnesota, Minneapolis, MN 55455, USA
- Department of Ecology, Evolution, and Behavior, University of Minnesota, St. Paul, MN 55108, USA
- Institute on the Environment, University of Minnesota, St. Paul, MN 55108, USA
| | | | - Beatrice H. Hahn
- Departments of Medicine and Microbiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Fiona A. Stewart
- School of Biological and Environmental Sciences, Liverpool John Moores University, UK
- Department of Anthropology, University College London, London, UK
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Yang L, Chen T, Shi KC, Zhang L, Lwin N, Fan PF. Effects of climate and land-cover change on the conservation status of gibbons. CONSERVATION BIOLOGY : THE JOURNAL OF THE SOCIETY FOR CONSERVATION BIOLOGY 2023; 37:e14045. [PMID: 36511895 DOI: 10.1111/cobi.14045] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 07/26/2022] [Accepted: 07/28/2022] [Indexed: 06/17/2023]
Abstract
Species shift their distribution in response to climate and land-cover change, which may result in a spatial mismatch between currently protected areas (PAs) and priority conservation areas (PCAs). We examined the effects of climate and land-cover change on potential range of gibbons and sought to identify PCAs that would conserve them effectively. We collected global gibbon occurrence points and modeled (ecological niche model) their current and potential 2050s ranges under climate-change and different land-cover-change scenarios. We examined change in range and PA coverage between the current and future ranges of each gibbon species. We applied spatial conservation prioritization to identify the top 30% PCAs for each species. We then determined how much of the PCAs are conserved in each country within the global range of gibbons. On average, 31% (SD 22) of each species' current range was covered in PAs. PA coverage of the current range of 9 species was <30%. Nine species lost on average 46% (SD 29) of their potential range due to climate change. Under climate-change with an optimistic land-cover-change scenario (B1), 12 species lost 39% (SD 28) of their range. In a pessimistic land-cover-change scenario (A2), 15 species lost 36% (SD 28) of their range. Five species lost significantly more range under the A2 scenario than the B1 scenario (p = 0.01, SD 0.01), suggesting that gibbons will benefit from effective management of land cover. PA coverage of future range was <30% for 11 species. On average, 32% (SD 25) of PCAs were covered by PAs. Indonesia contained more species and PCAs and thus has the greatest responsibility for gibbon conservation. Indonesia, India, and Myanmar need to expand their PAs to fulfill their responsibility to gibbon conservation. Our results provide a baseline for global gibbon conservation, particularly for countries lacking gibbon research capacity.
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Affiliation(s)
- Li Yang
- School of Life Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Tao Chen
- School of Life Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Kai-Chong Shi
- School of Life Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Lu Zhang
- School of Life Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Ngwe Lwin
- Myanmar Programme, Fauna and Flora International, Yangon, Myanmar
| | - Peng-Fei Fan
- School of Life Sciences, Sun Yat-Sen University, Guangzhou, China
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15
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Wang Z, Zhao X, Wang J, Song N, Han Q. Agricultural water allocation with climate change based on gray wolf optimization in a semi-arid region of China. PeerJ 2023; 11:e14577. [PMID: 36620746 PMCID: PMC9817936 DOI: 10.7717/peerj.14577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 11/28/2022] [Indexed: 01/04/2023] Open
Abstract
Background We quantified and evaluated the allocation of soil and water resources in the Aksu River Basin to measure the consequences of climate change on an agricultural irrigation system. Methods We first simulated future climate scenarios in the Aksu River Basin by using a statistical downscaling model (SDSM). We then formulated the optimal allocation scheme of agricultural water as a multiobjective optimization problem and obtained the Pareto optimal solution using the multi-objective grey wolf optimizer (MOGWO). Finally, optimal allocations of water and land resources in the basin at different times were obtained using an analytic hierarchy process (AHP). Results (1) The SDSM is able to simulate future climate change scenarios in the Aksu River Basin. Evapotranspiration (ET0) will increase significantly with variation as will the amount of available water albeit slightly. (2) To alleviate water pressure, the area of cropland should be reduced by 127.5 km2 under RCP4.5 and 377.2 km2 under RCP8.5 scenarios. (3) To be sustainable, the allocation ratio of forest land and water body should increase to 39% of the total water resource in the Aksu River Basin by 2050.
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Affiliation(s)
- Zhidong Wang
- College of Water Resources and Architectural Engineering, Northwest A & F University, Yangling, China
| | - Xining Zhao
- College of Water Resources and Architectural Engineering, Northwest A & F University, Yangling, China,Institute of Soil and Water Conservation, Northwest A&F University, Yangling, China
| | - Jinglei Wang
- Farmland Irrigation Research Institute of Chinese Academy of Agriculture Sciences/Key Laboratory of Crop Water Use and Regulation, Ministry of Agriculture and Rural affairs, Xinxiang, China
| | - Ni Song
- Farmland Irrigation Research Institute of Chinese Academy of Agriculture Sciences/Key Laboratory of Crop Water Use and Regulation, Ministry of Agriculture and Rural affairs, Xinxiang, China
| | - Qisheng Han
- Farmland Irrigation Research Institute of Chinese Academy of Agriculture Sciences/Key Laboratory of Crop Water Use and Regulation, Ministry of Agriculture and Rural affairs, Xinxiang, China
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16
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Arias-González C, González-Maya JF, García-Villalba J, Blázquez M, Alfredo Arreola Lizárraga J, Cecilia Díaz Castro S, Ortega Rubio A. The identification and conservation of climate refugia for two Colombian endemic titi (Plecturocebus) monkeys. J Nat Conserv 2023. [DOI: 10.1016/j.jnc.2023.126345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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17
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Factors influencing terrestriality in primates of the Americas and Madagascar. Proc Natl Acad Sci U S A 2022; 119:e2121105119. [PMID: 36215474 PMCID: PMC9586308 DOI: 10.1073/pnas.2121105119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Among mammals, the order Primates is exceptional in having a high taxonomic richness in which the taxa are arboreal, semiterrestrial, or terrestrial. Although habitual terrestriality is pervasive among the apes and African and Asian monkeys (catarrhines), it is largely absent among monkeys of the Americas (platyrrhines), as well as galagos, lemurs, and lorises (strepsirrhines), which are mostly arboreal. Numerous ecological drivers and species-specific factors are suggested to set the conditions for an evolutionary shift from arboreality to terrestriality, and current environmental conditions may provide analogous scenarios to those transitional periods. Therefore, we investigated predominantly arboreal, diurnal primate genera from the Americas and Madagascar that lack fully terrestrial taxa, to determine whether ecological drivers (habitat canopy cover, predation risk, maximum temperature, precipitation, primate species richness, human population density, and distance to roads) or species-specific traits (body mass, group size, and degree of frugivory) associate with increased terrestriality. We collated 150,961 observation hours across 2,227 months from 47 species at 20 sites in Madagascar and 48 sites in the Americas. Multiple factors were associated with ground use in these otherwise arboreal species, including increased temperature, a decrease in canopy cover, a dietary shift away from frugivory, and larger group size. These factors mostly explain intraspecific differences in terrestriality. As humanity modifies habitats and causes climate change, our results suggest that species already inhabiting hot, sparsely canopied sites, and exhibiting more generalized diets, are more likely to shift toward greater ground use.
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How Many Mammals Are Killed on Brazilian Roads? Assessing Impacts and Conservation Implications. DIVERSITY 2022. [DOI: 10.3390/d14100835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Millions of animals are killed on roads annually due to collisions with vehicles, particularly medium–large mammals. Studies on mammal road-kill flourished in Brazil in the last decade and an assessment of research on road-kill impacts at a country level will help define science-based conservation strategies. In this study, we used the compiled scientific literature to provide the state of knowledge on medium and large-sized mammals killed by road traffic in Brazil, their conservation status, and an approximation of the road-kill magnitude. We reviewed a total of 62 scientific papers that reported road-kill data accounting for 11.817 individuals. Of the 102 species of medium–large mammals found in the IUCN list, more than half (n = 62; 61%) were recorded as road-kill on Brazilian roads. The Carnivora order comprises over a quarter (n = 23; 37%) of the total road-killed species. A total of 9 species (14.5%) were classified as threatened, with a further 10 (16%) as Near Threatened. Over half of the road-killed species (n = 33, 53%) showed declining population trends according to their IUCN conservation status. Our extrapolation of the results for the entire Brazilian paved road network showed that the number of medium–large road-killed mammals can reach almost 9 million yearly (maximum 8.7 million; mean 1.3 million), representing a biomass of more than 10000 tons. The highest roadkill rates were recorded for common generalists and least concern species, although there were also threatened and near threatened species within the top 15 highest road-kill rates. The declining population trends found for most species reflect serious conservation concerns, since there is a lack of information on the mortality effects at population levels. Our results suggest that medium–large mammals are severally affected by road mortality in Brazil. More investigations are needed at local and abundance population levels, in a way that allows the inclusion of road network as an important threat for target species impacted by road-kill in the national territory, in order to develop adequate plans to mitigate those impacts.
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Using population surveys and models to reassess the conservation status of an endemic Amazonian titi monkey in a deforestation hotspot. ORYX 2022. [DOI: 10.1017/s0030605322000655] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Abstract
Assessing the conservation status of species is essential for implementing appropriate conservation measures. A lack of evidence of threats, rather than showing an absence of impacts, could reflect a lack of studies on how human activities could result in species population declines. The range of Prince Bernhard's titi monkey Plecturocebus bernhardi is restricted to the Arc of Deforestation, a deforestation hotspot in south-eastern Amazonia. Despite this, it is categorized as Least Concern on the IUCN Red List. To reassess the conservation status of P. bernhardi, we carried out surveys during 2015–2017 to delimit the geographical distribution of the species and estimate its population density and abundance. We then used spatial predictive modelling to examine future habitat and population loss within its range. Plecturocebus bernhardi occurs over an area of 131,295 km2. Its mean group size was 2.8 individuals/group and its density 10.8 individuals/km2 and 3.8 groups/km2. Habitat loss was estimated to be 58,365 km2 (32.3% of its current range) over the next 24 years (three P. bernhardi generations) under a conservative governance model of deforestation and 105,289 km2 (58.3%) under a business-as-usual model. These numbers indicate that P. bernhardi is threatened and should be categorized as Vulnerable, at least, using the IUCN Red List criteria. We recommend the reassessment of other Least Concern primate species from the Arc of Deforestation using a similar approach.
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Wright E, Eckardt W, Refisch J, Bitariho R, Grueter CC, Ganas-Swaray J, Stoinski TS, Robbins MM. Higher Maximum Temperature Increases the Frequency of Water Drinking in Mountain Gorillas (Gorilla beringei beringei). FRONTIERS IN CONSERVATION SCIENCE 2022. [DOI: 10.3389/fcosc.2022.738820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Water plays a vital role in many aspects of sustaining life, including thermoregulation. Given that increasing temperatures and more extreme weather events due to climate change are predicted to influence water availability, understanding how species obtain and use water is critical. This is especially true for endangered species in small isolated populations which are vulnerable to drought and the risk of extinction. We examined the relationship between the frequency of water drinking and maximum temperature and rainfall in 21 groups of wild gorillas from the two mountain gorilla populations (Bwindi and Virunga), between 2010 and 2020. In both populations, we found that the frequency of water drinking significantly increased at higher maximum temperatures than cooler ones, but we found no consistent relationship between water drinking and rainfall. We also found that Virunga gorillas relied more on foods with higher water content than Bwindi gorillas, which in part likely explains why they drink water much less frequently. These findings highlight that even in rainforest mammals that gain most of their water requirements from food, access to free-standing water may be important because it likely facilitates evaporative cooling in response to thermoregulatory stress. These results have important implications for conservation and behavior of mountain gorillas in the face of continued increases in temperature and frequency of extreme weather events associated with climate change.
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Estrada A, Garber PA. Principal Drivers and Conservation Solutions to the Impending Primate Extinction Crisis: Introduction to the Special Issue. INT J PRIMATOL 2022; 43:1-14. [PMID: 35194270 PMCID: PMC8853428 DOI: 10.1007/s10764-022-00283-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 01/24/2022] [Indexed: 12/20/2022]
Abstract
Nonhuman primates are facing an impending extinction crisis with over 65% of species listed as Vulnerable, Endangered, or Critically Endangered, and 93% characterized by declining populations. Primary drivers of primate population decline include deforestation, principally for industrial agriculture and the production of food and nonfood commodities, much of which is exported to wealthy consumer nations, unsustainable bushmeat hunting, the illegal pet trade, the capture of primates for body parts, expanding road and rail networks, mining, dam building, oil and gas exploration, and the threat of emerging diseases. Over the next several decades, human population increase, agricultural expansion, and climate change are expected to contribute significantly to the loss of additional suitable habitat and a reduction in the viability of local primate populations. If we are to avoid this impending extinction crisis, primate researchers must prioritize projects designed to mitigate the effects of habitat change on ecosystems health and biodiversity, and play a greater role in conservation and environmental policy by educating global citizens and political leaders. In addition, the international community will need to work with governments in primate habitat countries to expand the number of protected areas that contain primate species (94 primate species have < 10% of their range in protected areas). In this special issue of the International Journal of Primatology, we bring together researchers from a wide range of disciplines to examine the current and future threats to primate population persistence, and present local, country, and regional solutions to protect primate species.
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Affiliation(s)
- Alejandro Estrada
- Institute of Biology, National Autonomous University of Mexico, Mexico, Mexico
- International Centre of Biodiversity and Primate Conservation, Dali University, Dali, Yunnan China
| | - Paul A. Garber
- International Centre of Biodiversity and Primate Conservation, Dali University, Dali, Yunnan China
- Department of Anthropology and Program in Ecology, Evolution, and Conservation Biology, University of Illinois, Urbana, IL USA
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22
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Galea B, Humle T. Identifying and mitigating the impacts on primates of transportation and service corridors. CONSERVATION BIOLOGY : THE JOURNAL OF THE SOCIETY FOR CONSERVATION BIOLOGY 2022; 36:e13836. [PMID: 34490657 DOI: 10.1111/cobi.13836] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 08/15/2021] [Accepted: 08/20/2021] [Indexed: 06/13/2023]
Abstract
Most primate populations are declining; 60% of species face extinction. The expansion of transportation and service corridors (T&S) (i.e., roads and railways and utility and service lines) poses a significant yet underappreciated threat. With the development of T&S corridors predicted to increase across primates' ranges, it is necessary to understand the current extent of its impacts on primates, the available options to mitigate these effectively, and recognize research and knowledge gaps. By employing a systematic search approach to identify literature that described the relationship between primates and T&S corridors, we extracted information from 327 studies published between 1980 and 2020. Our results revealed that 218 species and subspecies across 62 genera are affected, significantly more than the 92 listed by the IUCN Red List of Threatened Species. The majority of studies took place in Asia (45%), followed by mainland Africa (31%), the Neotropics (22%), and Madagascar (2%). Brazil, Indonesia, Equatorial Guinea, Vietnam, and Madagascar contained the greatest number of affected primate species. Asia featured the highest number of species affected by roads, electrical transmission lines, and pipelines and the only studies addressing the impact of rail and aerial tramways on primates. The impact of seismic lines only emerged in the literature from Africa and the Neotropics. Impacts are diverse and multifaceted, for example, animal-vehicle collisions, electrocutions, habitat loss and fragmentation, impeded movement and genetic exchange, behavioral changes, exposure to pollution, and mortality associated with hunting. Although several mitigation measures were recommended, only 41% of studies focused on their implementation, whereas only 29% evaluated their effectiveness. Finally, there was a clear bias in the species and regions benefiting from research on this topic. We recommend that government and conservation bodies recognize T&S corridors as a serious and mounting threat to primates and that further research in this area is encouraged.
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Affiliation(s)
- Benjamin Galea
- Durrell Institute of Conservation and Ecology, School of Anthropology and Conservation, University of Kent, Canterbury, UK
| | - Tatyana Humle
- Durrell Institute of Conservation and Ecology, School of Anthropology and Conservation, University of Kent, Canterbury, UK
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Lindshield S, Hernandez-Aguilar RA, Korstjens AH, Marchant LF, Narat V, Ndiaye PI, Ogawa H, Piel AK, Pruetz JD, Stewart FA, van Leeuwen KL, Wessling EG, Yoshikawa M. Chimpanzees (Pan troglodytes) in savanna landscapes. Evol Anthropol 2021; 30:399-420. [PMID: 34542218 DOI: 10.1002/evan.21924] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 12/17/2020] [Accepted: 07/29/2021] [Indexed: 12/22/2022]
Abstract
Chimpanzees (Pan troglodytes) are the only great apes that inhabit hot, dry, and open savannas. We review the environmental pressures of savannas on chimpanzees, such as food and water scarcity, and the evidence for chimpanzees' behavioral responses to these landscapes. In our analysis, savannas were generally associated with low chimpanzee population densities and large home ranges. In addition, thermoregulatory behaviors that likely reduce hyperthermia risk, such as cave use, were frequently observed in the hottest and driest savanna landscapes. We hypothesize that such responses are evidence of a "savanna landscape effect" in chimpanzees and offer pathways for future research to understand its evolutionary processes and mechanisms. We conclude by discussing the significance of research on savanna chimpanzees to modeling the evolution of early hominin traits and informing conservation programs for these endangered apes.
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Affiliation(s)
- Stacy Lindshield
- Department of Anthropology, Purdue University, West Lafayette, Indiana, USA
| | - R Adriana Hernandez-Aguilar
- Department of Social Psychology and Quantitative Psychology, Faculty of Psychology, University of Barcelona, Barcelona, Spain.,Centre for Ecological and Evolutionary Synthesis, Department of Biosciences, University of Oslo, Oslo, Norway
| | - Amanda H Korstjens
- Life and Environmental Sciences Department, Bournemouth University, Talbot Campus, Poole, UK
| | | | - Victor Narat
- CNRS/MNHN/Paris Diderot, UMR 7206 Eco-anthropology, Paris, France
| | - Papa Ibnou Ndiaye
- Département de Biologie Animale, Faculté des Sciences et Techniques, Université Cheikh Anta Diop de Dakar, Dakar, Senegal
| | - Hideshi Ogawa
- School of International Liberal Studies, Chukyo University, Toyota, Aichi, Japan
| | - Alex K Piel
- Department of Anthropology, University College London, London, UK
| | - Jill D Pruetz
- Department of Anthropology, Texas State University, San Marcos, Texas, USA
| | - Fiona A Stewart
- Department of Anthropology, University College London, London, UK.,School of Biological and Environmental Sciences, Liverpool John Moores University, Liverpool, UK
| | - Kelly L van Leeuwen
- Department of Life and Environmental Sciences, Bournemouth University, Talbot Campus, Poole, UK
| | - Erin G Wessling
- Department of Human Evolutionary Biology, Harvard University, Cambridge, Massachusetts, USA
| | - Midori Yoshikawa
- Department of Zoology, National Museum of Nature and Science, Ibaraki, Tokyo, Japan
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25
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Thompson CL, Williams SH, Glander KE, Teaford MF, Vinyard CJ. Getting Humans Off Monkeys' Backs: Using Primate Acclimation as a Guide for Habitat Management Efforts. Integr Comp Biol 2021; 60:413-424. [PMID: 32470132 DOI: 10.1093/icb/icaa048] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Wild primates face grave conservation challenges, with habitat loss and climate change projected to cause mass extinctions in the coming decades. As large-bodied Neotropical primates, mantled howling monkeys (Alouatta palliata) are predicted to fare poorly under climate change, yet are also known for their resilience in a variety of environments, including highly disturbed habitats. We utilized ecophysiology research on this species to determine the morphological, physiological, and behavioral mechanisms howlers employ to overcome ecological challenges. Our data show that howlers at La Pacifica, Costa Rica are capable of modifying body size. Howlers displayed reduced mass in warmer, drier habitats, seasonal weight changes, frequent within-lifetime weight fluctuations, and gradual increases in body mass over the past four decades. These within-lifetime changes indicate a capacity to modify morphology in a way that can impact animals' energetics and thermodynamics. Howlers are also able to consume foods with a wide variety of food material properties by altering oral processing during feeding. While this capability suggests some capacity to cope with the phenological shifts expected from climate change and increased habitat fragmentation, data on rates of dental microwear warn that these acclimations may also cost dental longevity. Lastly, we found that howlers are able to acclimate to changing thermal pressures. On shorter-term daily scales, howlers use behavioral mechanisms to thermoregulate, including timing activities to avoid heat stress and utilizing cool microhabitats. At the seasonal scale, animals employ hormonal pathways to influence heat production. These lines of evidence cumulatively indicate that howlers possess morphological, physiological, and behavioral mechanisms to acclimate to environmental challenges. As such, howlers' plasticity may facilitate their resilience to climate change and habitat loss. While habitat loss in the tropics is unlikely to abate, our results point to a potential benefit of active management and selective cultivation to yield large, interconnected forest fragments with targeted phenology that provides both a complex physical structure and a diversity of food sources. These steps could assist howlers in using their natural acclimation potential to survive future conservation threats.
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Affiliation(s)
- Cynthia L Thompson
- Department of Biomedical Sciences, Grand Valley State University, Allendale, MI, USA
| | - Susan H Williams
- Department of Biomedical Sciences, Ohio University Heritage College of Osteopathic Medicine, Athens, OH, USA
| | - Kenneth E Glander
- Department of Evolutionary Anthropology, Duke University, Durham, NC, USA
| | - Mark F Teaford
- Department of Basic Science, College of Osteopathic Medicine, Touro University, Vallejo, CA, USA
| | - Christopher J Vinyard
- Department of Anatomy & Neurobiology, Northeast Ohio Medical University, Rootstown, OH, USA
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26
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Helenbrook WD, Valdez JW. Species distribution and conservation assessment of the black-headed night monkey (Aotus nigriceps): a species of Least Concern that faces widespread anthropogenic threats. Primates 2021; 62:817-825. [PMID: 34117595 DOI: 10.1007/s10329-021-00922-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 06/01/2021] [Indexed: 10/21/2022]
Abstract
Deforestation rates in the Brazilian Amazon have been steadily increasing since 2007. Recent government policy, the projected growth of agriculture, and the expansion of the cattle industry are expected to further pressure primates within the Amazon basin. In this study, we examined the anthropogenic impact on the widely distributed black-headed night monkey, Aotus nigriceps, whose distribution and population status have yet to be assessed. We (1) modeled potential species distribution in A. nigriceps, (2) estimated the impact of habitat loss on population trends, and (3) highlight landscape-based conservation actions that maximize the potential for their long-term sustainability. We found the black-headed night monkey to be restricted by several biotic and environmental factors including forest cover, isothermality, precipitation, temperature, and elevation. Over the last two decades, over 132,908 km2 of tree cover (18%) has been lost within their currently recognized range based on satellite imagery. Based on a balance training omission, predicted area, and threshold values (BPTP), suitable habitat was only 67% (1,069,948 km2) of their hypothesized range, a loss of 16.5% from 2000, with just nearly a third of suitable habitat currently within protected areas. Over the last two decades, an estimated minimum 1.6 million individuals have been lost due to loss of suitable habitat. Projected deforestation rates equate to an additional loss of 94,458 km2 of suitable habitat over the next decade. Although classified as a species of Least Concern, we suggest that A. nigriceps may likely be more at risk than previously described. The future impact of the continued expansion of monoculture crops, cattle ranching, and wildfires is still unknown. However, we outline several steps to ensure the long-term viability of this nocturnal primate and other sympatric species throughout the Amazon Basin.
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Affiliation(s)
- William D Helenbrook
- Neotropical Division, Tropical Conservation Fund, 760 Parkside Trl NW, Marietta, GA, 30064, USA. .,State University of New York College of Environmental Science and Forestry, Syracuse, NY, 13210, USA.
| | - Jose W Valdez
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Puschstrasse 4, 04103, Leipzig, Germany
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27
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Carvalho JS, Graham B, Bocksberger G, Maisels F, Williamson EA, Wich S, Sop T, Amarasekaran B, Barca B, Barrie A, Bergl RA, Boesch C, Boesch H, Brncic TM, Buys B, Chancellor R, Danquah E, Doumbé OA, Le‐Duc SY, Galat‐Luong A, Ganas J, Gatti S, Ghiurghi A, Goedmakers A, Granier N, Hakizimana D, Haurez B, Head J, Herbinger I, Hillers A, Jones S, Junker J, Maputla N, Manasseh E, McCarthy MS, Molokwu‐Odozi M, Morgan BJ, Nakashima Y, N’Goran PK, Nixon S, Nkembi L, Normand E, Nzooh LD, Olson SH, Payne L, Petre C, Piel AK, Pintea L, Plumptre AJ, Rundus A, Serckx A, Stewart FA, Sunderland‐Groves J, Tagg N, Todd A, Vosper A, Wenceslau JF, Wessling EG, Willie J, Kühl HS. Predicting range shifts of African apes under global change scenarios. DIVERS DISTRIB 2021. [DOI: 10.1111/ddi.13358] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
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28
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Garber PA. Advocacy and Activism as Essential Tools in Primate Conservation. INT J PRIMATOL 2021; 43:168-184. [PMID: 33716363 PMCID: PMC7944466 DOI: 10.1007/s10764-021-00201-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Accepted: 01/07/2021] [Indexed: 12/27/2022]
Abstract
Primates are facing a global extinction crisis driven by an expanding human population, environmental degradation, the conversion of tropical forests into monocultures for industrial agriculture and cattle ranching, unsustainable resource extraction, hunting, climate change, and the threat of emerging zoonotic diseases. And, although many primate scientists have dedicated their careers to conservation, 65% of primate species are listed as Vulnerable, Endangered, or Critically Endangered, and >75% are experiencing a population decline. Projections indicate that by the end of the century, an additional 75% of the area currently occupied by wild primates will be lost to agriculture. Clearly, we are losing the battle and must change business-as-usual if we are to protect wild primates and their habitats. This article is a call to action. Primate societies and their membership need to expand their engagement in scientific advocacy and scientific activism designed to educate, inspire, organize, and mobilize global citizens to join together, lobby business leaders and politicians in both primate habitat countries and in consumer nations, boycott forest-risk products, participate in demonstrations and letter writing campaigns, and use social media to effect transformational change. We are the experts, and the more we and our professional organizations drive the public policy debate on wildlife conservation and environmental justice, the more successful we will be in protecting the world's primates from extinction. The time to act is now!
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Affiliation(s)
- Paul A. Garber
- Department of Anthropology and Program in Ecology, Evolution, and Conservation Biology, University of Illinois, Urbana, IL USA
- International Centre of Biodiversity and Primate Conservation, Dali University, Dali, Yunnan China
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29
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No Planet for Apes? Assessing Global Priority Areas and Species Affected by Linear Infrastructures. INT J PRIMATOL 2021. [DOI: 10.1007/s10764-021-00207-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Predicting Hotspots and Prioritizing Protected Areas for Endangered Primate Species in Indonesia under Changing Climate. BIOLOGY 2021; 10:biology10020154. [PMID: 33672036 PMCID: PMC7919460 DOI: 10.3390/biology10020154] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 02/04/2021] [Accepted: 02/11/2021] [Indexed: 12/05/2022]
Abstract
Simple Summary Primates play an essential role in human life and its ecosystem. However, Indonesian primates have suffered many threats due to climate change and altered landscapes that lead to extinction. Therefore, primate conservation planning and strategies are important in maintaining their population. We quantified how extensively the protected areas overlapped primate hotspots and how it changes under mitigation and worst-case scenarios of climate change. Finally, we provide protected areas recommendations based on species richness and land-use changes under the worst-case scenario for Indonesian primate conservation planning and management options. Abstract Indonesia has a large number of primate diversity where a majority of the species are threatened. In addition, climate change is conservation issues that biodiversity may likely face in the future, particularly among primates. Thus, species-distribution modeling was useful for conservation planning. Herein, we present protected areas (PA) recommendations with high nature-conservation importance based on species-richness changes. We performed maximum entropy (Maxent) to retrieve species distribution of 51 primate species across Indonesia. We calculated species-richness change and range shifts to determine the priority of PA for primates under mitigation and worst-case scenarios by 2050. The results suggest that the models have an excellent performance based on seven different metrics. Current primate distributions occupied 65% of terrestrial landscape. However, our results indicate that 30 species of primates in Indonesia are likely to be extinct by 2050. Future primate species richness would be also expected to decline with the alpha diversity ranging from one to four species per 1 km2. Based on our results, we recommend 54 and 27 PA in Indonesia to be considered as the habitat-restoration priority and refugia, respectively. We conclude that species-distribution modeling approach along with the categorical species richness is effectively applicable for assessing primate biodiversity patterns.
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31
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Heinicke S, Ordaz-Németh I, Junker J, Bachmann ME, Marrocoli S, Wessling EG, Byler D, Cheyne SM, Desmond J, Dowd D, Fitzgerald M, Fourrier M, Goedmakers A, Hernandez-Aguilar RA, Hillers A, Hockings KJ, Jones S, Kaiser M, Koops K, Lapuente JM, Maisels F, Riedel J, Terrade E, Tweh CG, Vergnes V, Vogt T, Williamson EA, Kühl HS. Open-access platform to synthesize knowledge of ape conservation across sites. Am J Primatol 2020; 83:e23213. [PMID: 33169878 DOI: 10.1002/ajp.23213] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 10/19/2020] [Accepted: 10/24/2020] [Indexed: 11/05/2022]
Abstract
Despite the large body of literature on ape conservation, much of the data needed for evidence-based conservation decision-making is still not readily accessible and standardized, rendering cross-site comparison difficult. To support knowledge synthesis and to complement the IUCN SSC Ape Populations, Environments and Surveys database, we created the A.P.E.S. Wiki (https://apeswiki.eva.mpg.de), an open-access platform providing site-level information on ape conservation status and context. The aim of this Wiki is to provide information and data about geographical ape locations, to curate information on individuals and organizations active in ape research and conservation, and to act as a tool to support collaboration between conservation practitioners, scientists, and other stakeholders. To illustrate the process and benefits of knowledge synthesis, we used the momentum of the update of the conservation action plan for western chimpanzees (Pan troglodytes verus) and began with this critically endangered taxon. First, we gathered information on 59 sites in West Africa from scientific publications, reports, and online sources. Information was compiled in a standardized format and can thus be summarized using a web scraping approach. We then asked experts working at those sites to review and complement the information (20 sites have been reviewed to date). We demonstrate the utility of the information available through the Wiki, for example, for studying species distribution. Importantly, as an open-access platform and based on the well-known wiki layout, the A.P.E.S. Wiki can contribute to direct and interactive information sharing and promote the efforts invested by the ape research and conservation community. The Section on Great Apes and the Section on Small Apes of the IUCN SSC Primate Specialist Group will guide and support the expansion of the platform to all small and great ape taxa. Similar collaborative efforts can contribute to extending knowledge synthesis to all nonhuman primate species.
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Affiliation(s)
- Stefanie Heinicke
- Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany.,German Centre for Integrative Biodiversity Research (iDiv) Halle-Leipzig-Jena, Leipzig, Germany.,Transformation Pathways, Potsdam Institute for Climate Impact Research (PIK), Member of the Leibniz Association, Potsdam, Germany
| | - Isabel Ordaz-Németh
- Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
| | - Jessica Junker
- Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany.,German Centre for Integrative Biodiversity Research (iDiv) Halle-Leipzig-Jena, Leipzig, Germany
| | - Mona E Bachmann
- Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany.,German Centre for Integrative Biodiversity Research (iDiv) Halle-Leipzig-Jena, Leipzig, Germany.,Department of Geography, Humboldt University, Berlin, Germany
| | | | - Erin G Wessling
- Department of Human Evolutionary Biology, Harvard University, Cambridge, Massachusetts, USA
| | - Dirck Byler
- Section on Great Apes, IUCN SSC Primate Specialist Group, Washington, District of Columbia, USA
| | - Susan M Cheyne
- Section on Small Apes, IUCN SSC Primate Specialist Group, Oxford, UK.,Borneo Nature Foundation, Palangka Raya, Central Kalimantan, Indonesia.,Department of Social Sciences, Oxford Brookes University, Oxford, UK
| | - Jenny Desmond
- Liberia Chimpanzee Rescue & Protection, Monrovia, Liberia
| | - Dervla Dowd
- Wild Chimpanzee Foundation (West Africa Representation), Abidjan, Côte d'Ivoire
| | | | | | | | - R Adriana Hernandez-Aguilar
- Department of Social Psychology and Quantitative Psychology, University of Barcelona, Spain.,Jane Goodall Institute Spain and Senegal, Dindefelo Biological Station, Dindefelo, Kedougou, Senegal
| | | | - Kimberley J Hockings
- Centre for Ecology and Conservation, College of Life and Environmental Sciences, University of Exeter, Penryn, Cornwall, UK
| | - Sorrel Jones
- RSPB Centre for Conservation Science, The Royal Society for the Protection of Birds, Sandy, UK.,School of Biological Sciences, Royal Holloway University of London, Egham, UK
| | - Michael Kaiser
- Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
| | - Kathelijne Koops
- Department of Archaeology, University of Cambridge, Cambridge, UK
| | - Juan M Lapuente
- Comoé Chimpanzee Conservation Project, Comoé National Park, Kakpin, Ivory Coast
| | - Fiona Maisels
- Global Conservation Program, Wildlife Conservation Society, Bronx, New York, USA.,Faculty of Natural Sciences, University of Stirling, Stirling, Scotland, UK
| | - Julia Riedel
- Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany.,Wild Chimpanzee Foundation (West Africa Representation), Abidjan, Côte d'Ivoire
| | - Emilien Terrade
- Mongolian Bankhar Dog Project, Hustai National Park, Ulaanbaatar, Mongolia
| | - Clement G Tweh
- Wild Chimpanzee Foundation, Monrovia, Liberia.,School of Biological Sciences, University of Nairobi, Nairobi, Kenya
| | - Virginie Vergnes
- Wild Chimpanzee Foundation (West Africa Representation), Abidjan, Côte d'Ivoire
| | - Tina Vogt
- Elephant Research and Conservation, Saal/Donau, Germany
| | | | - Hjalmar S Kühl
- Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany.,German Centre for Integrative Biodiversity Research (iDiv) Halle-Leipzig-Jena, Leipzig, Germany
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Melin AD, Hogan JD, Campos FA, Wikberg E, King‐Bailey G, Webb S, Kalbitzer U, Asensio N, Murillo‐Chacon E, Cheves Hernandez S, Guadamuz Chavarria A, Schaffner CM, Kawamura S, Aureli F, Fedigan L, Jack KM. Primate life history, social dynamics, ecology, and conservation: Contributions from long‐term research in Área de Conservación Guanacaste, Costa Rica. Biotropica 2020. [DOI: 10.1111/btp.12867] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Amanda D. Melin
- Department of Anthropology and Archaeology University of Calgary Calgary AB Canada
- Verhaltensökologie & Soziobiologie Deutsches Primatenzentrum – Leibniz‐Institut für Primatenforschung Göttingen Germany
| | - Jeremy D. Hogan
- Department of Anthropology and Archaeology University of Calgary Calgary AB Canada
| | | | - Eva Wikberg
- Department of Anthropology Tulane University New Orleans LA USA
| | | | - Shasta Webb
- Department of Anthropology and Archaeology University of Calgary Calgary AB Canada
| | - Urs Kalbitzer
- Department of Anthropology McGill University Montreal QC Canada
| | - Norberto Asensio
- Departamento de Psicología Social y Metodología de las Ciencias del Comportamiento Universidad del País Vasco Bilbao Spain
| | | | | | | | | | - Shoji Kawamura
- Department of Integrated Biosciences The University of Tokyo Kashiwa Japan
| | - Filippo Aureli
- Instituto de Neuroetología Universidad Veracruzana Xalapa Mexico
- Research Centre in Evolutionary Anthropology and Palaeoecology Liverpool John Moores University Liverpool UK
| | - Linda Fedigan
- Department of Anthropology and Archaeology University of Calgary Calgary AB Canada
| | - Katharine M. Jack
- Department of Anthropology University of Texas at San Antonio San Antonio TX USA
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33
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Cabral Rezende G, Sobral-Souza T, Culot L. Integrating climate and landscape models to prioritize areas and conservation strategies for an endangered arboreal primate. Am J Primatol 2020; 82:e23202. [PMID: 33040387 DOI: 10.1002/ajp.23202] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 09/27/2020] [Accepted: 09/29/2020] [Indexed: 11/05/2022]
Abstract
Species distributions are influenced by both climate conditions and landscape structure. Here we propose an integrated analysis of climatic and landscape niche-based models for a forest-dependent primate, the endangered black lion tamarin (Leontopithecus chrysopygus). We applied both climate and landscape variables to predict the distribution of this tamarin and used this information to prioritize strategic areas more accurately. We anticipated that this approach would be beneficial for the selection of pertinent conservation strategies for this flagship species. First, we built climate and landscape niche-based models separately, combining seven algorithms, to infer processes acting on the species distribution at different scales. Subsequently, we combined climate and landscape models using the EcoLand Analysis. Our results suggest that historic and current landscape fragmentation and modification had profoundly adverse effects on the distribution of the black lion tamarins. The models indicated just 2096 km2 (out of an original distribution of 92,239 km2 ) of suitable areas for both climate and landscape. Of this suitable area, the species is currently present in less than 40%, which represents less than 1% of its original distribution. Based on the combined map, we determined the western and southeast regions of the species range to be priority areas for its conservation. We identified areas with high climatic and high landscape suitability, which overlap with the remaining forest fragments in both regions, for habitat conservation and population management. We suggest that areas with high climatic but low landscape suitability should be prioritized for habitat management and restoration. Areas with high landscape suitability and low climatic suitability, such as the Paranapiacaba mountain range should be considered in light of projected climate change scenarios. Our case study illustrates that a combined approach of climatic and landscape niche-based modeling can be useful for establishing focused conservation measures that may increase the likelihood of success.
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Affiliation(s)
- Gabriela Cabral Rezende
- Graduate Program in Ecology, Evolution and Biodiversity, Department of Biodiversity, Institute of Biosciences, São Paulo State University (UNESP), Rio Claro, São Paulo, Brazil.,IPÊ - Institute for Ecological Research, Nazaré Paulista, São Paulo, Brazil
| | - Thadeu Sobral-Souza
- Department of Botany and Ecology, Federal University of Mato Grosso (UFMT), Cuiabá, Mato Grosso, Brazil
| | - Laurence Culot
- Department of Biodiversity, Institute of Biosciences, São Paulo State University (UNESP), Rio Claro, São Paulo, Brazil
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34
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Differential responses of non-human primates to seasonal temperature fluctuations. Primates 2020; 61:455-464. [PMID: 32034535 DOI: 10.1007/s10329-020-00801-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Accepted: 01/29/2020] [Indexed: 10/25/2022]
Abstract
Non-human primates (NHPs) can adapt to conditions outside of their natural habitat and climatic ranges but this can be influenced by inherent evolutionary traits or plasticity of species that evolved in diverse environmental conditions. In this study, we investigated how five species of NHPs that have natural distributions across a range of climatic conditions responded to seasonal temperature changes in a captive environment. The activity levels of NHPs were affected by temperature changes over the season, where activity levels were generally reduced at the lower and higher temperature ranges. Species that are naturally found within narrower and warmer climatic ranges, compared to those found in colder environments with wider fluctuations in temperature, showed more marked changes in activity levels in response to temperature changes. In lower temperature conditions, three out of five species showed significantly lower activity levels; whereas in higher temperature conditions, the activity levels of all species did not significantly decrease. The frequency of thermoregulation behaviours was higher, and use of artificial thermoregulatory sources lower, for species that did not substantially adjust their activity levels in different temperature conditions. Our results suggest that NHPs largely retained the evolutionary traits related to thermoregulation, according to the different ambient conditions they evolved in and may have low behavioural plasticity in adapting to conditions outside of their natural ranges. These results provide insights for improving conservation and captive management and may have implications for understanding NHP resilience to the increasing impact of global climate change.
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