1
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Gomez-Maldonado S, Calleros A, Salazar-Rueda I, Camacho-Cervantes M. The invasive twospot livebearer's biology, and its current and potential global distribution. JOURNAL OF FISH BIOLOGY 2023; 103:854-863. [PMID: 37321972 DOI: 10.1111/jfb.15483] [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: 12/20/2022] [Accepted: 06/15/2023] [Indexed: 06/17/2023]
Abstract
Poeciliids are widely recognized as successful invaders, possessing traits associated with invasion success. Native to Central America and south-eastern Mexico, the twospot livebearer (Pseudoxiphophorus bimaculatus) is a species recently recognized as invasive in both Central and northern Mexico. Despite its invasive status, limited research exists on its invasion process and the potential threats it poses to native species. In this study, we conducted a comprehensive review of the current knowledge on the twospot livebearer and mapped its current and potential distribution worldwide. The twospot livebearer shares similar traits with other successful invaders within the same family. Notably, it exhibits high fecundity throughout the year and demonstrates resilience to highly polluted and oxygen-deprived water conditions. This fish serves as a host for several parasites, including generalists, and has been extensively translocated for commercial purposes. Recently, it has also been used for biocontrol within its native range. Apart from existing outside its native range, the twospot livebearer, under current climate conditions and if transported there, could readily colonize biodiversity hotspots in tropical zones worldwide, including the Caribbean Islands, the Horn of Africa, North of Madagascar Island, south-eastern Brazil, and others located in southern and eastern Asia. Given that this fish is highly plastic and our Species Distribution Model, we consider that all areas with a habitat suitability >0.2 should prevent its arrival and establishment. Our findings underscore the urgent need to recognize this species as a threat to freshwater native topminnows and prevent its introduction and spread.
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Affiliation(s)
- Sebastian Gomez-Maldonado
- Instituto de Ciencias del Mar y Limnologia, Universidad Nacional Autonoma de Mexico, Ciudad Universitaria, Mexico City, Mexico
| | - Adrian Calleros
- Escuela Nacional de Estudios Superiores Unidad Morelia, Universidad Nacional Autonoma de Mexico, Morelia, Mexico
| | - Isabel Salazar-Rueda
- Instituto de Ciencias del Mar y Limnologia, Universidad Nacional Autonoma de Mexico, Ciudad Universitaria, Mexico City, Mexico
| | - Morelia Camacho-Cervantes
- Instituto de Ciencias del Mar y Limnologia, Universidad Nacional Autonoma de Mexico, Ciudad Universitaria, Mexico City, Mexico
- School of Biological Sciences, Monash University, Melbourne, Victoria, Australia
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2
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Subalusky AL, Sethi SA, Anderson EP, Jiménez G, Echeverri-Lopez D, García-Restrepo S, Nova-León LJ, Reátiga-Parrish JF, Post DM, Rojas A. Rapid population growth and high management costs have created a narrow window for control of introduced hippos in Colombia. Sci Rep 2023; 13:6193. [PMID: 37062768 PMCID: PMC10106455 DOI: 10.1038/s41598-023-33028-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 04/06/2023] [Indexed: 04/18/2023] Open
Abstract
The introduction of hippos into the wild in Colombia has been marked by their rapid population growth and widespread dispersal on the landscape, high financial costs of management, and conflicting social perspectives on their management and fate. Here we use population projection models to investigate the effectiveness and cost of management options under consideration for controlling introduced hippos. We estimate there are 91 hippos in the middle Magdalena River basin, Colombia, and the hippo population is growing at an estimated rate of 9.6% per year. At this rate, there will be 230 hippos by 2032 and over 1,000 by 2050. Applying the population control methods currently under consideration will cost at least 1-2 million USD to sufficiently decrease hippo population growth to achieve long-term removal, and depending on the management strategy selected, there may still be hippos on the landscape for 50-100 years. Delaying management actions for a single decade will increase minimum costs by a factor of 2.5, and some methods may become infeasible. Our approach illustrates the trade-offs inherent between cost and effort in managing introduced species, as well as the importance of acting quickly, especially when dealing with species with rapid population growth rates and potential for significant ecological and social impacts.
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Affiliation(s)
| | - Suresh A Sethi
- Fisheries, Aquatic Science, and Technology Laboratory, Alaska Pacific University, Anchorage, Alaska, USA
| | - Elizabeth P Anderson
- Department of Earth and Environment and Institute of Environment, Florida International University, 11200 SW 8Th St, Miami, FL, USA
| | - Germán Jiménez
- Departamento de Biología, Pontificia Universidad Javeriana, Carrera 7 No. 43-82, Edificio Jesús Emilio Ramírez, Bogotá, Colombia
| | - David Echeverri-Lopez
- Corporación Autónoma Regional de Las Cuencas de los Ríos Negro Y Nare (CORNARE), Carrera 59 44-48, El Santuario, Antioquia, Colombia
| | - Sebastián García-Restrepo
- Departamento de Ciencias Biológicas, Universidad de los Andes, Carrera 1 No. 18A-10, Bogotá, Colombia
| | - Laura J Nova-León
- Departamento de Biología, Pontificia Universidad Javeriana, Carrera 7 No. 43-82, Edificio Jesús Emilio Ramírez, Bogotá, Colombia
- Instituto de Investigación de Recursos Biológicos Alexander von Humboldt, Bogotá D.C., Colombia
| | - Juan F Reátiga-Parrish
- Departamento de Biología, Pontificia Universidad Javeriana, Carrera 7 No. 43-82, Edificio Jesús Emilio Ramírez, Bogotá, Colombia
| | - David M Post
- Department of Ecology and Evolutionary Biology, Yale University, 165 Prospect Street, New Haven, CT, USA
| | - Ana Rojas
- Department of Earth and Environment and Institute of Environment, Florida International University, 11200 SW 8Th St, Miami, FL, USA
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3
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Liu D, Semenchuk P, Essl F, Lenzner B, Moser D, Blackburn TM, Cassey P, Biancolini D, Capinha C, Dawson W, Dyer EE, Guénard B, Economo EP, Kreft H, Pergl J, Pyšek P, van Kleunen M, Nentwig W, Rondinini C, Seebens H, Weigelt P, Winter M, Purvis A, Dullinger S. The impact of land use on non-native species incidence and number in local assemblages worldwide. Nat Commun 2023; 14:2090. [PMID: 37045818 PMCID: PMC10097616 DOI: 10.1038/s41467-023-37571-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 03/20/2023] [Indexed: 04/14/2023] Open
Abstract
While the regional distribution of non-native species is increasingly well documented for some taxa, global analyses of non-native species in local assemblages are still missing. Here, we use a worldwide collection of assemblages from five taxa - ants, birds, mammals, spiders and vascular plants - to assess whether the incidence, frequency and proportions of naturalised non-native species depend on type and intensity of land use. In plants, assemblages of primary vegetation are least invaded. In the other taxa, primary vegetation is among the least invaded land-use types, but one or several other types have equally low levels of occurrence, frequency and proportions of non-native species. High land use intensity is associated with higher non-native incidence and frequency in primary vegetation, while intensity effects are inconsistent for other land-use types. These findings highlight the potential dual role of unused primary vegetation in preserving native biodiversity and in conferring resistance against biological invasions.
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Affiliation(s)
- Daijun Liu
- Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, 1030, Vienna, Austria.
| | - Philipp Semenchuk
- Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, 1030, Vienna, Austria
- Department of Arctic Biology, UNIS-The University Centre in Svalbard, 9171, Longyearbyen, Norway
| | - Franz Essl
- Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, 1030, Vienna, Austria
| | - Bernd Lenzner
- Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, 1030, Vienna, Austria
| | - Dietmar Moser
- Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, 1030, Vienna, Austria
| | - Tim M Blackburn
- Research Department of Genetics, Evolution and Environment, University College London, London, UK
- Institute of Zoology, Zoological Society of London, London, UK
| | - Phillip Cassey
- Invasion Science and Wildlife Ecology Lab, School of Biological Sciences, The University of Adelaide, Adelaide, SA, 5005, Australia
| | - Dino Biancolini
- Global Mammal Assessment programme, Dipartimento di Biologia e Biotecnologie "Charles Darwin", Sapienza Università di Roma, Rome, Italy
- National Research Council of Italy - Institute for Bioeconomy (CNR-IBE), Via dei Taurini 19, Rome, Italy
| | - César Capinha
- Centro de Estudos Geográficos, Instituto de Geografia e Ordenamento do Território da Universidade de Lisboa, Lisboa, Portugal
- Laboratório Associado TERRA, Tapada da Ajuda, 1349-017, Lisboa, Portugal
| | - Wayne Dawson
- Department of Biosciences, Durham University, South Road, Durham, DH1 3LE, UK
| | - Ellie E Dyer
- UK Centre for Ecology and Hydrology, Wallingford, UK
- Centre for Biodiversity and Environment Research, Department of Genetics, Evolution, and Environment, University College London, London, UK
| | - Benoit Guénard
- Insect Biodiversity and Biogeography Laboratory, School of Biological Sciences, The University of Hong Kong, Pok Fu Lam Rd, Lung Fu Shan, Hong Kong SAR, China
| | - Evan P Economo
- Biodiversity and Biocomplexity Unit, Okinawa Institute of Science and Technology Graduate University, Onna, Okinawa, 904-0495, Japan
- Radcliffe Institute for Advanced Study, Harvard University, Cambridge, MA, 02138, USA
| | - Holger Kreft
- Biodiversity, Macroecology & Biogeography, University of Göttingen, Büsgenweg 1, D-37077, Göttingen, Germany
- Centre of Biodiversity and Sustainable Land Use (CBL), University of Göttingen, Büsgenweg 1, D-37077, Göttingen, Germany
| | - Jan Pergl
- Czech Academy of Sciences, Institute of Botany, Department of Invasion Ecology, CZ-252 43, Průhonice, Czech Republic
| | - Petr Pyšek
- Czech Academy of Sciences, Institute of Botany, Department of Invasion Ecology, CZ-252 43, Průhonice, Czech Republic
- Department of Ecology, Faculty of Science, Charles University, Viničná 7, CZ-128 44, Prague, Czech Republic
| | - Mark van Kleunen
- Ecology, Department of Biology, University of Konstanz, Universitätsstrasse 10, D-78457, Konstanz, Germany
- Zhejiang Provincial Key Laboratory of Plant Evolutionary Ecology and Conservation, Taizhou University, Taizhou, 318000, China
| | - Wolfgang Nentwig
- Institute of Ecology and Evolution, University of Bern, Baltzerstrasse 6, CH-3012, Bern, Switzerland
| | - Carlo Rondinini
- Global Mammal Assessment programme, Dipartimento di Biologia e Biotecnologie "Charles Darwin", Sapienza Università di Roma, Rome, Italy
| | - Hanno Seebens
- Senckenberg Biodiversity and Climate Research Centre, Senckenberganlage 25, 60325, Frankfurt, Germany
| | - Patrick Weigelt
- Biodiversity, Macroecology & Biogeography, University of Göttingen, Büsgenweg 1, D-37077, Göttingen, Germany
- Centre of Biodiversity and Sustainable Land Use (CBL), University of Göttingen, Büsgenweg 1, D-37077, Göttingen, Germany
- Campus-Institut Data Science, University of Göttingen, Goldschmidtstraße 1, D-37077, Göttingen, Germany
| | - Marten Winter
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Leipzig, Germany
| | - Andy Purvis
- Department of Life Sciences, Natural History Museum, London, SW7 5BD, UK
- Department of Life Sciences, Imperial College London, Ascot, SL5 7PY, UK
| | - Stefan Dullinger
- Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, 1030, Vienna, Austria
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4
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Canepuccia AD, Fanjul MS, Iribarne OO. Global distribution and richness of terrestrial mammals in tidal marshes. DIVERS DISTRIB 2023. [DOI: 10.1111/ddi.13683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023] Open
Affiliation(s)
- Alejandro D. Canepuccia
- Instituto de Investigaciones Marinas y Costeras (IIMyC) Universidad Nacional de Mar Del Plata (UNMDP) ‐ Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) Mar del Plata Argentina
| | - María Sol Fanjul
- Instituto de Investigaciones Marinas y Costeras (IIMyC) Universidad Nacional de Mar Del Plata (UNMDP) ‐ Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) Mar del Plata Argentina
| | - Oscar O. Iribarne
- Instituto de Investigaciones Marinas y Costeras (IIMyC) Universidad Nacional de Mar Del Plata (UNMDP) ‐ Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) Mar del Plata Argentina
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5
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van Hassel F, Bovenkerk B. How Should We Help Wild Animals Cope with Climate Change? The Case of the Iberian Lynx. Animals (Basel) 2023; 13:ani13030453. [PMID: 36766342 PMCID: PMC9913476 DOI: 10.3390/ani13030453] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 01/11/2023] [Accepted: 01/18/2023] [Indexed: 01/31/2023] Open
Abstract
Climate change and related shifts in weather conditions result in massive biodiversity declines and severe animal suffering. This article explores the measures that can be taken to decrease animal suffering and prevent species from going extinct. Taking the Iberian lynx as a case study, we assess the extent to which it is beneficial for animal welfare and species conservation to do nothing or reduce other threats, provide food or shelter, relocate the species via assisted migration, or bring the population into captivity. We argue that, given the Iberian lynx's non-invasive characteristics, assisted migration may be the best way to protect the species while ensuring animal welfare and protecting wildness and other ecosystem values.
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6
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Wang S, Deng T, Zhang J, Li Y. Global economic costs of mammal invasions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 857:159479. [PMID: 36265628 DOI: 10.1016/j.scitotenv.2022.159479] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 10/05/2022] [Accepted: 10/12/2022] [Indexed: 06/16/2023]
Abstract
Invasive alien mammals cause huge adverse ecological impact on human society and natural ecosystems. Although studies have estimated economic costs of mammal invasions at regional scales, there is lacking the large-scale comprehensive assessment of currency costs for this taxon. Here, we estimated the economic cost of invasive alien mammals on a global scale using the most comprehensive global database compiling economic costs of invasive species (InvaCost). From 1960 to 2021, mammal invasions caused costs (summing damage costs and management costs) of US$ 462.49 billion to the global economy, while the total amount of robust costs reached US$ 52.49 billion. The majority of the total economic costs corresponded to damage costs (90.27 %), while only 7.43 % were related to management cost. Economic costs showed an increasing trend over time. The distribution of costs was uneven among taxonomic groups and regions, with the global total cost highly biasing toward to 5 species (European rabbit, Domestic cat, Black rat, Wild boar and Coypu), and North America reporting much higher costs (60.78 % of total economic costs) than other regions. The total costs were borne by agriculture, environment, authorities stakeholders and other sectors. Geographic and taxonomic biases suggested that total economic costs caused by invasive alien mammals were underestimated. Integrated research efforts are needed to fill in knowledge gaps in the economic costs generated by mammal invasions and to identify the drivers of the economic costs.
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Affiliation(s)
- Siqi Wang
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Road, Chaoyang District, Beijing 100101, China; University of Chinese Academy of Sciences, 19 Yuquan Road, Shijingshan, Beijing 100049, China
| | - Teng Deng
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Road, Chaoyang District, Beijing 100101, China; University of Chinese Academy of Sciences, 19 Yuquan Road, Shijingshan, Beijing 100049, China
| | - Jiaqi Zhang
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Road, Chaoyang District, Beijing 100101, China; University of Chinese Academy of Sciences, 19 Yuquan Road, Shijingshan, Beijing 100049, China
| | - Yiming Li
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Road, Chaoyang District, Beijing 100101, China; University of Chinese Academy of Sciences, 19 Yuquan Road, Shijingshan, Beijing 100049, China; School of Life Sciences, Institute of Life Sciences and Green Development, Hebei University, Baoding 071002, China.
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7
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Wijewardhana UA, Jayawardana M, Meyer D. Modelling the recovery of resident shorebirds following a fox eradication program using citizen science data. ECOL INFORM 2022. [DOI: 10.1016/j.ecoinf.2022.101854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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8
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Etges MF, Martínez-Lanfranco JA, Guadagnin DL. Spread risk assessment of invasive axis deer using bioclimatic niche models. Biol Invasions 2022. [DOI: 10.1007/s10530-022-02928-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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9
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Lewis AA, Williams BL, Smith MD, Ditchkoff SS. Shifting to sounders: Whole sounder removal eliminates wild pigs. WILDLIFE SOC B 2022. [DOI: 10.1002/wsb.1260] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Alexandra A. Lewis
- School of Forestry and Wildlife Sciences Auburn University Auburn 36849 AL USA
| | - Brian L. Williams
- School of Forestry and Wildlife Sciences Auburn University Auburn 36849 AL USA
| | - Mark D. Smith
- School of Forestry and Wildlife Sciences Auburn University Auburn 36849 AL USA
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10
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Tedeschi L, Biancolini D, Capinha C, Rondinini C, Essl F. Introduction, spread, and impacts of invasive alien mammal species in Europe. Mamm Rev 2022; 52:252-266. [PMID: 35875182 PMCID: PMC9299096 DOI: 10.1111/mam.12277] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Accepted: 09/08/2021] [Indexed: 11/30/2022]
Abstract
Biological invasions have emerged as one of the main drivers of biodiversity change and decline, and numbers of species classed as alien in parts of their ranges are rapidly rising. The European Union established a dedicated regulation to limit the impacts of invasive alien species (IAS), which is focused on the species on a Union List of IAS of particular concern. However, no previous study has specifically addressed the ecology of invasive alien mammals included on the Union List.We performed a systematic review of published literature on these species. We retrieved 262 publications dealing with 16 species, and we complemented these with the most up-to-date information extracted from global databases on IAS.We show that most of the study species reached Europe as pets and then escaped from captivity or were intentionally released. On average each year in the period 1981-2020, 1.2 species were recorded for the first time as aliens in European countries, and most species are still expanding their alien ranges by colonising neighbouring territories. France is the most invaded nation, followed by Germany, Italy, and the Russian Federation, and the muskrat Ondatra zibethicus, the American mink Neovison vison, and the raccoon dog Nyctereutes procyonoides are the most widespread species, having invaded at least 27 countries each. Invasive mammals of European Union concern are threatening native biodiversity and human well-being: worryingly, 81% of the 16 study species are implicated in the epidemiological cycle of zoonotic pathogens.Containing secondary spread to further countries is of paramount importance to avoid the establishment of new populations of invasive mammals and the related impacts on native communities, ecosystem services, and human health.We present a compendium on the ecology and impacts of invasive mammals of European Union concern. It can be used to assist environmental policies, identify and subsequently fill knowledge gaps, and inform stakeholders.
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Affiliation(s)
- Lisa Tedeschi
- Global Mammal Assessment ProgrammeDepartment of Biology and BiotechnologiesSapienza University of RomeViale dell’Università 32Rome00185Italy
- BioInvasions, Global Change, Macroecology‐GroupDepartment of Botany and Biodiversity ResearchUniversity of ViennaRennweg 14Vienna1030Austria
| | - Dino Biancolini
- Global Mammal Assessment ProgrammeDepartment of Biology and BiotechnologiesSapienza University of RomeViale dell’Università 32Rome00185Italy
| | - César Capinha
- Centro de Estudos GeográficosInstituto de Geografia e Ordenamento do Território – IGOTUniversidade de LisboaRua Branca Edmée Marques, Cidade Universitária1600‐276LisboaPortugal
| | - Carlo Rondinini
- Global Mammal Assessment ProgrammeDepartment of Biology and BiotechnologiesSapienza University of RomeViale dell’Università 32Rome00185Italy
| | - Franz Essl
- BioInvasions, Global Change, Macroecology‐GroupDepartment of Botany and Biodiversity ResearchUniversity of ViennaRennweg 14Vienna1030Austria
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11
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Shivambu N, Shivambu TC, Downs CT. Survey of non‐native small mammals traded in South Africa. Afr J Ecol 2022. [DOI: 10.1111/aje.12999] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ndivhuwo Shivambu
- Centre for Excellence in Invasion Biology, and Centre for Functional Biodiversity School of Life Sciences University of KwaZulu‐Natal Pietermaritzburg South Africa
| | - Tinyiko C. Shivambu
- Centre for Excellence in Invasion Biology, and Centre for Functional Biodiversity School of Life Sciences University of KwaZulu‐Natal Pietermaritzburg South Africa
| | - Colleen T. Downs
- Centre for Excellence in Invasion Biology, and Centre for Functional Biodiversity School of Life Sciences University of KwaZulu‐Natal Pietermaritzburg South Africa
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12
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Dynamics and predicted distribution of an irrupting ‘sleeper’ population: fallow deer in Tasmania. Biol Invasions 2022. [DOI: 10.1007/s10530-021-02703-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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13
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Burgueño M, Rodríguez-Planes LI, Nicosia G, de Miguel A, Szpilbarg S, Gürtler RE. Does the interface with plantation forests provide suitable habitat for axis deer (Axis axis) to avoid systematic hunting pressure in a protected area of north-eastern Argentina? EUR J WILDLIFE RES 2021. [DOI: 10.1007/s10344-021-01529-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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14
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Richmond JQ, Swift CC, Wake TA, Brehme CS, Preston KL, Kus BE, Ervin EL, Tremor S, Matsuda T, Fisher RN. Impacts of a Non-indigenous Ecosystem Engineer, the American Beaver (Castor canadensis), in a Biodiversity Hotspot. FRONTIERS IN CONSERVATION SCIENCE 2021. [DOI: 10.3389/fcosc.2021.752400] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Non-native species having high per capita impacts in invaded communities are those that modulate resource availability and alter disturbance regimes in ways that are biologically incompatible with the native biota. In areas where it has been introduced by humans, American beaver (Castor canadensis) is an iconic example of such species due to its capacity to alter trophic dynamics of entire ecosystems and create new invasional pathways for other non-native species. The species is problematic in several watersheds within the Southern California-Northern Baja California Coast Ecoregion, a recognized hotspot of biodiversity, due to its ability to modify habitat in ways that favor invasive predators and competitors over the region's native species and habitat. Beaver was deliberately introduced across California in the mid-1900s and generally accepted as non-native to the region up to the early 2000s; however, articles promoting the idea that beaver may be a natural resident have gained traction in recent years, due in large part to the species' charismatic nature rather than by presentation of sound evidence. Here, we discuss the problems associated with beaver disturbance and its effects on conserving the region's native fauna and flora. We refute arguments underlying the claim that beaver is native to the region, and review paleontological, zooarchaeological, and historical survey data from renowned field biologists and naturalists over the past ~160 years to show that no evidence exists that beaver arrived by any means other than deliberate human introduction. Managing this ecosystem engineer has potential to reduce the richness and abundance of other non-native species because the novel, engineered habitat now supporting these species would diminish in beaver-occupied watersheds. At the same time, hydrologic functionality would shift toward more natural, ephemeral conditions that favor the regions' native species while suppressing the dominance of the most insidious invaders.
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15
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Predicting the Potential Distribution of Non-Native Mammalian Species Sold in the South African Pet Trade. DIVERSITY 2021. [DOI: 10.3390/d13100478] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The pet trade is one of the main pathways of introduction of several mammals worldwide. In South Africa, non-native mammalian species are traded as pets, and so far, only four of these species are considered invasive. We used a list of 24 companion mammalian species compiled from a previous study. We selected a subset of 14 species for species distribution modeling (SDM) based on their trade popularity, invasion history and potential economic and socio-economic impacts. We aimed to estimate their potential distribution using their distribution records. Our SDM indicated that climate in South Africa was suitable for most traded species. However, commonly and easily available species had the broadest areas of suitable climates, such as house mice (Mus musculus) and Norwegian rats (Rattus norvegicus). In addition, the model with a human footprint suggested a high risk of invasion for Norwegian rats but less for house mice distribution. This assessment suggests the need of strict trade regulations and management strategies for pet mammals with broader suitability, which are already invasive, and most available for sale. In addition, our results provide a baseline approach that can be used to identify mammalian pet species with a potential risk of invasion so that urgent preventive measures can be implemented.
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16
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de Wit LA, Ricketts TH. Trade and Deforestation Predict Rat Lungworm Disease, an Invasive-Driven Zoonosis, at Global and Regional Scales. Front Public Health 2021; 9:680986. [PMID: 34568251 PMCID: PMC8458565 DOI: 10.3389/fpubh.2021.680986] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 08/06/2021] [Indexed: 11/13/2022] Open
Abstract
The introduction of non-native species and deforestation are both important drivers of environmental change that can also facilitate the geographic spread of zoonotic pathogens and increase disease risk in humans. With ongoing trends in globalization and land-use conversions, introduced species and deforestation are ever more likely to pose threats to human health. Here, we used rat lungworm disease, an emerging zoonotic disease caused by Angiostrongylus cantonensis and maintained by invasive rats and snails, to explore how these two forms of environmental change can impact zoonotic disease risk. We used logistic regressions to examine the role of global trade in the introduction of A. cantonensis at a country level and used model estimates to predict the probability of introduction as a function of trade. We then used hurdle-based regression models to examine the association between deforestation and rat lungworm disease in two regions where A. cantonensis is already established: Hawaii and Thailand. At the global scale, we found the trade of horticultural products to be an important driver in the spread of A. cantonensis and that the majority of countries at high risk of future A. cantonensis introduction are islands. At country scales, we found deforestation to increase the per-capita risk of A. cantonensis exposure in Hawaii and Thailand. Our study provides a preliminary view of the associations between species introductions, deforestation, and risk of A. cantonensis exposure in people. Better understanding how these two widespread and overlapping forms of environmental change affect human health can inform international biosecurity protocols, invasive species management, and land-use policies.
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Affiliation(s)
- Luz A de Wit
- RubensteinSchool of Environment and Natural Resources, University of Vermont, Burlington, VT, United States.,Gund Institute for Environment, University of Vermont, Burlington, VT, United States
| | - Taylor H Ricketts
- RubensteinSchool of Environment and Natural Resources, University of Vermont, Burlington, VT, United States.,Gund Institute for Environment, University of Vermont, Burlington, VT, United States
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Ariefiandy A, Purwandana D, Azmi M, Panggur MR, Mardani J, Parra DP, Jessop TS. Invasive water buffalo population trends and competition-related consequences for native rusa deer in eastern Indonesian protected areas. Mamm Biol 2021. [DOI: 10.1007/s42991-021-00161-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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18
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Rebolo-Ifrán N, Zamora-Nasca L, Lambertucci SA. Cat and dog predation on birds: The importance of indirect predation after bird-window collisions. Perspect Ecol Conserv 2021. [DOI: 10.1016/j.pecon.2021.05.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Nunes SF, Mota-Ferreira M, Sampaio M, Andrade J, Oliveira N, Rebelo R, Rocha R. Trophic niche changes associated with the eradication of invasive mammals in an insular lizard: an assessment using isotopes. Curr Zool 2021; 68:211-219. [PMID: 35355946 PMCID: PMC8962685 DOI: 10.1093/cz/zoab038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 05/03/2021] [Indexed: 11/14/2022] Open
Abstract
Abstract
Invasive species are a major threat to island biodiversity, and their eradications have substantially contributed to the conservation of island endemics. However, the consequences of eradications on the trophic ecology of native taxa are largely unexplored. Here, we used the eradication of invasive black rats Rattus rattus and European rabbits Oryctolagus cuniculus from the Berlenga Island, in the western coast of Portugal, as a whole-ecosystem experiment to investigate the effects of the eradication of invasive mammals on the trophic niche and body dimensions of the island-restricted Berlenga wall lizard Podarcis carbonelli berlengensis over a 2-year period. Our results suggest an expansion of the isotopic niche and an intensification of the sexual dimorphism of the lizard following mammal eradication. Additionally, we found considerable variability in isotopic niche across the island and detected evidence of sex-specific and season-modulated nutritional requirements of this threatened reptile. Our findings support that the eradication of 2 of the planet’s most problematic invasive vertebrates led to changes in the lizard trophic niche and sexual dimorphism in just 2 years. This suggests that the ecological pressures—for example, prey availability and habitat structure—to which lizards are exposed have substantially changed post-eradication. Our study emphasizes the scientific value of island eradications as experiments to address a wide range of ecological questions and adds to the increasing body of evidence supporting substantial conservation gains associated with these restoration interventions.
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Affiliation(s)
- Sara F Nunes
- Faculty of Sciences, Centre for Ecology, Evolution and Environmental Changes, University of Lisbon, Lisbon, 1749-016, Portugal
| | - Mário Mota-Ferreira
- CIBIO-InBIO, Research Center in Biodiversity and Genetic Resources, University of Porto, Vairão, 4485-661, Portugal
- CIBIO-InBIO, Research Center in Biodiversity and Genetic Resources, Institute of Agronomy, University of Lisbon, Lisbon, 1349-017, Portugal
| | - Marta Sampaio
- CIBIO-InBIO, Research Center in Biodiversity and Genetic Resources, University of Porto, Vairão, 4485-661, Portugal
| | - Joana Andrade
- Sociedade Portuguesa Para o Estudo das Aves, Av. Columbano Bordalo Pinheiro, 87, 3° Andar, Lisboa, 1070-062, Portugal
| | - Nuno Oliveira
- Sociedade Portuguesa Para o Estudo das Aves, Av. Columbano Bordalo Pinheiro, 87, 3° Andar, Lisboa, 1070-062, Portugal
| | - Rui Rebelo
- Faculty of Sciences, Centre for Ecology, Evolution and Environmental Changes, University of Lisbon, Lisbon, 1749-016, Portugal
| | - Ricardo Rocha
- Faculty of Sciences, Centre for Ecology, Evolution and Environmental Changes, University of Lisbon, Lisbon, 1749-016, Portugal
- CIBIO-InBIO, Research Center in Biodiversity and Genetic Resources, University of Porto, Vairão, 4485-661, Portugal
- CIBIO-InBIO, Research Center in Biodiversity and Genetic Resources, Institute of Agronomy, University of Lisbon, Lisbon, 1349-017, Portugal
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Diagne C, Leroy B, Vaissière AC, Gozlan RE, Roiz D, Jarić I, Salles JM, Bradshaw CJA, Courchamp F. High and rising economic costs of biological invasions worldwide. Nature 2021; 592:571-576. [DOI: 10.1038/s41586-021-03405-6] [Citation(s) in RCA: 221] [Impact Index Per Article: 73.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 02/28/2021] [Indexed: 11/09/2022]
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Rosa C, Hegel CGZ, Passamani M. Seed removal of Araucaria angustifolia by native and invasive mammals in protected areas of Atlantic Forest. BIOTA NEOTROPICA 2021. [DOI: 10.1590/1676-0611-bn-2020-1111] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Abstract Araucaria Forest is one of the most threatened tropical forests in the world. Wild pig (Sus scrofa) are invasive pig that is expanding through these forests and seed removing that would be available to native fauna. Our aim was to evaluate the rates of seed Araucaria (Araucaria angustifolia) removal by both small, medium, and large mammals in areas with and without wild pig. We conducted a seed-removal experiment with three treatments differing in mammals’ access to seeds, in areas with and without the occurrence of wild pig. Similar numbers of seeds Araucaria were removed by small, medium and large mammals, even in areas with wild pig. However, we verified that seed removal by small mammals is graduate over time, while large mammals, especially wild pig, remove in one event. So, we recommend long-term studies to investigate competition between wild pig and native biota and the effects of wild pig on seed dispersal and seed survival.
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Affiliation(s)
- Clarissa Rosa
- Universidade Federal de Lavras, Brasil; Instituto Nacional de Pesquisas da Amazônia, Brasil
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Borrero-Lopez O, Constantino PJ, Bush MB, Lawn BR. On the vital role of enamel prism interfaces and graded properties in human tooth survival. Biol Lett 2020; 16:20200498. [PMID: 32842897 DOI: 10.1098/rsbl.2020.0498] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Teeth of omnivores face a formidable evolutionary challenge: how to protect against fracture and abrasive wear caused by the wide variety of foods they process. It is hypothesized that this challenge is met in part by adaptations in enamel microstructure. The low-crowned teeth of humans and some other omnivorous mammals exhibit multiple fissures running longitudinally along the outer enamel walls, yet remain intact. It is proposed that inter-prism weakness and enamel property gradation act together to avert entry of these fissures into vulnerable inner tooth regions and, at the same time, confer wear resistance at the occlusal surface. A simple indentation experiment is employed to quantify crack paths and energetics in human enamel, and an extended-finite-element model to evaluate longitudinal crack growth histories. Consideration is given as to how tooth microstructure may have played a vital role in human evolution, and by extension to other omnivorous mammals.
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Affiliation(s)
- Oscar Borrero-Lopez
- Departamento de Ingeniería Mecánica, Energética y de los Materiales, Universidad de Extremadura, 06006 Badajoz, Spain
| | - Paul J Constantino
- Department of Biology, Saint Michael's College, Colchester, VT 05439, USA
| | - Mark B Bush
- Department of Mechanical Engineering, University of Western Australia, Crawley, WA 6009, Australia
| | - Brian R Lawn
- Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA
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Over-Winter Survival and Nest Site Selection of the West-European Hedgehog ( Erinaceus europaeus) in Arable Dominated Landscapes. Animals (Basel) 2020; 10:ani10091449. [PMID: 32825054 PMCID: PMC7552789 DOI: 10.3390/ani10091449] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 08/12/2020] [Accepted: 08/13/2020] [Indexed: 12/16/2022] Open
Abstract
The West-European hedgehog (Erinaceus europaeus) has declined markedly in the UK. The winter hibernation period may make hedgehogs vulnerable to anthropogenic habitat and climate changes. Therefore, we studied two contrasting populations in England to examine patterns of winter nest use, body mass changes and survival during hibernation. No between-site differences were evident in body mass prior to hibernation nor the number of winter nests used, but significant differences in overwinter mass change and survival were observed. Mass change did not, however, affect survival rates; all deaths occurred prior to or after the hibernation period, mainly from predation or vehicle collisions. Hedgehogs consistently nested in proximity to hedgerows, roads and woodlands, but avoided pasture fields; differences between sites were evident for the selection for or avoidance of arable fields, amenity grassland and buildings. Collectively, these data indicate that hibernation was not a period of significant mortality for individuals that had attained sufficient weight (>600 g) pre-hibernation. Conversely, habitat composition did significantly affect the positioning of winter nests, such that different land management practices (historic and current) might potentially influence hibernation success. The limitations of this study and suggestions for future research are discussed.
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High Trophic Niche Overlap between a Native and Invasive Mink Does Not Drive Trophic Displacement of the Native Mink during an Invasion Process. Animals (Basel) 2020; 10:ani10081387. [PMID: 32785203 PMCID: PMC7460352 DOI: 10.3390/ani10081387] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 08/03/2020] [Accepted: 08/06/2020] [Indexed: 11/23/2022] Open
Abstract
Simple Summary Invasive species are widely recognized to negatively affect native species through both direct and indirect interactions. When diet overlap between the native and invasive species increases, their competitive interaction is expected to increase too. This in turn may lead to displacement of one of the species. However, the specific mechanisms of the diet displacement are still unclear. In this study, we analysed the diet and diet overlap between the critically endangered European mink and the invasive American mink during the invasion process of the latter species by means of stable isotope analyses. We found a significant diet overlap between the native and invasive mink when they co-occur, an important individual variation of diet, and no significant change of diet of the native species in response to the arrival of the invasive mink. These results suggest significant competitive pressure imposed on the native European mink by the invasive American mink. As such, urgent implementation of control measures of invasive species is needed to ensure the viability and conservation of endangered European mink populations. Abstract The pressure elicited by invasive species on native species significantly increases with the increase of the overlap of their ecological niches. Still, the specific mechanisms of the trophic displacement of native species during the invasion process are unclear. The effects of the invasive American mink (Neovison vison) on the critically endangered European mink (Mustela lutreola) was assessed by analyses of diet and niche overlap during the invasion process. To do this, the isotopic composition (δ13C and δ15N) of both species of mink and their four main types of prey was analysed. Significant trophic overlap between the native European mink and invasive American mink was found when they coexisted in sympatry. Furthermore, both mink species were characterised by significant individual variation in diet and no obvious change in diet of the native species in response to the arrival of the introduced species was observed. High niche overlap registered between both species in sympatry with no displacement in diet of the native mink in response to the arrival of the invasive mink is expected to have important consequences for the viability and conservation of the native mink populations, as it suggests high competitive pressure.
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Lamelas-López L, Pardavila X, Borges PAV, Santos-Reis M, Amorim IR, Santos MJ. Modelling the distribution of Mustela nivalis and M. putorius in the Azores archipelago based on native and introduced ranges. PLoS One 2020; 15:e0237216. [PMID: 32764786 PMCID: PMC7413552 DOI: 10.1371/journal.pone.0237216] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Accepted: 07/22/2020] [Indexed: 11/18/2022] Open
Abstract
The aims of this study were to predict the potential distribution of two introduced Mustelidae, Mustela nivalis and M. putorius in the Azores archipelago (Portugal), and evaluate the relative contribution of environmental factors from native and introduced ranges to predict species distribution ranges in oceanic islands. We developed two sets of Species Distribution Models using MaxEnt and distribution data from the native and introduced ranges of the species to project their potential distribution in the archipelago. We found differences in the predicted distributions for the models based on introduced and on native occurrences for both species, with different most important variables being selected. Climatic variables were most important for the introduced range models, while other groups of variables (i.e., human-disturbance) were included in the native-based models. Most of the islands of the Azorean archipelago were predicted to have suitable habitat for both species, even when not yet occupied. Our results showed that predicting the invaded range based on introduced range environmental conditions predicted a narrower range. These results highlight the difficulty to transfer models from native to introduced ranges across taxonomically related species, making it difficult to predict future invasions and range expansion.
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Affiliation(s)
- Lucas Lamelas-López
- cE3c - Centre for Ecology, Evolution and Environmental Changes / Azorean Biodiversity Group, Faculty of Agriculture and Environment, Department of Environmental Sciences and Engineering, University dos Azores, Azores, Portugal
- * E-mail:
| | - Xosé Pardavila
- Department of Cellular Biology and Ecology, University of Santiago de Compostela, Santiago, Spain
| | - Paulo A. V. Borges
- cE3c - Centre for Ecology, Evolution and Environmental Changes / Azorean Biodiversity Group, Faculty of Agriculture and Environment, Department of Environmental Sciences and Engineering, University dos Azores, Azores, Portugal
| | - Margarida Santos-Reis
- cE3c –Centre for Ecology, Evolution and Environmental Changes, Faculty of Sciences, University of Lisbon, Lisbon, Portugal
| | - Isabel R. Amorim
- cE3c –Centre for Ecology, Evolution and Environmental Changes / Azorean Biodiversity Group and University of Azores, Azores, Portugal
| | - Maria J. Santos
- University Research Priority Program in Global Change and Biodiversity, University of Zürich, Zürich, Switzerland
- Department of Geography, University of Zürich, Zürich, Switzerland
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Rodrigues NT, Saranholi BH, Angeloni TA, Pasqualotto N, Chiarello AG, Galetti Jr PM. DNA mini-barcoding of leporids using noninvasive fecal DNA samples and its significance for monitoring an invasive species. Ecol Evol 2020; 10:5219-5225. [PMID: 32607145 PMCID: PMC7319127 DOI: 10.1002/ece3.5863] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 10/15/2019] [Accepted: 10/25/2019] [Indexed: 11/17/2022] Open
Abstract
Introduced in South America at the end of the 19th century, the European hare population has expanded dramatically and now represents a risk to native Brazilian forest rabbits. Monitoring the invasive Lepus europaeus and its coexistence with native Sylvilagus brasiliensis is a challenge that can be efficiently addressed by the use of molecular tools. This work describes a set of primers useful for amplifying three mini-barcodes for the molecular identification of both invasive and native leporid species using degraded fecal DNA. In addition, tests in silico indicate that these mini-barcodes can successfully amplify the DNA sequences of a number of leporids. These mini-barcodes constitute a powerful tool for the monitoring and management of the invasive L. europaeus and the conservation of native rabbits.
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Affiliation(s)
- Nayra T. Rodrigues
- Departamento de Genética e EvoluçãoUniversidade Federal de São CarlosSão CarlosBrazil
| | - Bruno H. Saranholi
- Departamento de Genética e EvoluçãoUniversidade Federal de São CarlosSão CarlosBrazil
| | - Thais A. Angeloni
- Departamento de Genética e EvoluçãoUniversidade Federal de São CarlosSão CarlosBrazil
| | - Nielson Pasqualotto
- Programa Interunidades de Pós‐Graduação em Ecologia Aplicada (PPGI‐EA)Escola Superior de Agricultura “Luiz de Queiroz” (ESALQ/USP) e Centro de Energia Nuclear na Agricultura (CENA/USP)Universidade de São PauloPiracicabaBrazil
- Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão PretoUniversidade de São PauloRibeirão PretoSão PauloBrazil
| | - Adriano G. Chiarello
- Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão PretoUniversidade de São PauloRibeirão PretoSão PauloBrazil
| | - Pedro M. Galetti Jr
- Departamento de Genética e EvoluçãoUniversidade Federal de São CarlosSão CarlosBrazil
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Pascual-Rico R, Sánchez-Zapata JA, Navarro J, Eguía S, Anadón JD, Botella F. Ecological niche overlap between co-occurring native and exotic ungulates: insights for a conservation conflict. Biol Invasions 2020. [DOI: 10.1007/s10530-020-02265-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Miritis V, Rendall AR, Doherty TS, Coetsee AL, Ritchie EG. Living with the enemy: a threatened prey species coexisting with feral cats on a fox-free island. WILDLIFE RESEARCH 2020. [DOI: 10.1071/wr19202] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Abstract
ContextFeral domestic cats (Felis catus) have contributed to substantial loss of Australian wildlife, particularly small- and medium-sized terrestrial mammals. However, mitigating cat impacts remains challenging. Understanding the factors that facilitate coexistence between native prey and their alien predators could aid better pest management and conservation actions.
AimsWe estimated feral cat density, examined the impact of habitat cover on long-nosed potoroos (Potorous tridactylus tridactylus), and assessed the spatial and temporal interactions between cats and potoroos in the ‘Bluegums’ area of French Island, south-eastern Australia.
Materials and methodsWe operated 31 camera stations across Bluegums for 99 consecutive nights in each of winter 2018 and summer 2018/19. We used a spatially explicit capture–recapture model to estimate cat density, and two-species single-season occupancy models to assess spatial co-occurrence of cats and potoroos. We assessed the influence of vegetation cover and cat activity on potoroo activity by using a dynamic occupancy model. We also used image timestamps to describe and compare the temporal activities of the two species.
Key resultsBluegums had a density of 0.77 cats per km2 across both seasons, although this is a conservative estimate because of the presence of unidentified cats. Cats and long-nosed potoroos were detected at 94% and 77% of camera stations, respectively. Long-nosed potoroo detectability was higher in denser vegetation and this pattern was stronger at sites with high cat activity. Cats and potoroos overlapped in their temporal activity, but their peak activity times differed.
Conclusions Feral cat density at Bluegums, French Island, is higher than has been reported for mainland Australian sites, but generally lower than in other islands. Long-nosed potoroos were positively associated with cats, potentially indicating cats tracking potoroos as prey or other prey species that co-occur with potoroos. Temporal activity of each species differed, and potoroos sought more complex habitat, highlighting possible mechanisms potoroos may use to reduce their predation risk when co-occurring with cats.
ImplicationsOur study highlighted how predator and prey spatial and temporal interactions, and habitat cover and complexity (ecological refuges), may influence the ability for native prey to coexist with invasive predators. We encourage more consideration and investigation of these factors, with the aim of facilitating more native species to persist with invasive predators or be reintroduced outside of predator-free sanctuaries, exclosures and island safe havens.
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Vinson JE, Park AW. Vector-borne parasite invasion in communities across space and time. Proc Biol Sci 2019; 286:20192614. [PMID: 31847769 DOI: 10.1098/rspb.2019.2614] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
While vector-borne parasite transmission often operates via generalist-feeding vectors facilitating cross-species transmission in host communities, theory describing the relationship between host species diversity and parasite invasion in these systems is underdeveloped. Host community composition and abundance vary across space and time, generating opportunities for parasite invasion. To explore how host community variation can modify parasite invasion potential, we develop a model for vector-borne parasite transmission dynamics that includes a host community of arbitrary richness and species' abundance. To compare invasion potential across communities, we calculate the community basic reproductive ratio of the parasite. We compare communities comprising a set of host species to their subsets, which allows for flexible scenario building including the introduction of novel host species and species loss. We allow vector abundance to scale with, or be independent of, community size, capturing regulation by feeding opportunities and non-host effects such as limited oviposition sites. Motivated by equivocal data relating host species competency to abundance, we characterize plausible host communities via phenomenological relationships between host species abundance and competency. We identify an underappreciated mechanism whereby changes to communities simultaneously alter average competency and the vector to host ratio and demonstrate that the interaction can profoundly influence invasion potential.
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Affiliation(s)
- John E Vinson
- Odum School of Ecology, University of Georgia, 140 East Green Street, Athens, GA 30602, USA.,Center for the Ecology of Infectious Diseases, University of Georgia, 140 East Green Street, Athens, GA 30602, USA
| | - Andrew W Park
- Odum School of Ecology, University of Georgia, 140 East Green Street, Athens, GA 30602, USA.,Center for the Ecology of Infectious Diseases, University of Georgia, 140 East Green Street, Athens, GA 30602, USA.,Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, 140 East Green Street, Athens, GA 30602, USA
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Digging mammal reintroductions reduce termite biomass and alter assemblage composition along an aridity gradient. Oecologia 2019; 191:645-656. [PMID: 31641862 DOI: 10.1007/s00442-019-04517-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 09/21/2019] [Indexed: 12/19/2022]
Abstract
Invasions can trigger cascades in ecological communities by altering species interactions. Following the introduction of cats and foxes into Australia, one tenth of Australia's terrestrial mammal species became extinct, due to predation, while many continue to decline. The broader consequences for Australian ecosystems are poorly understood. Soil-dwelling invertebrates are likely to be affected by the loss of fossorial native mammals, which are predators and disturbance agents. Using reintroductions as a model for ecosystems prior to species loss, we tested the hypothesis that mammal reintroduction leads to reduced vegetation cover and altered termite assemblages, including declines in abundance and biomass and changed species composition. We hypothesised that the magnitude of mammal reintroduction effects would diminish with increasing aridity, which affects resource availability. We compared six paired sites inside and outside three reintroduction sanctuaries across an aridity gradient. We sampled termite assemblages using soil trenches and measured habitat availability. Reintroductions were associated with increased bare ground and reduced vegetation, compared with controls. Aridity also had an underlying influence on vegetation cover by limiting water availability. Termite abundance and biomass were lower where mammals were reintroduced and the magnitude of this effect decreased with increasing aridity. Termite abundance was highest under wood, and soil-nesting wood-feeders were most affected inside sanctuaries. Ecological cascades resulting from exotic predator invasions are thus likely to have increased termite biomass and altered termite assemblages, but impacts may be lower in less-productive habitats. Our findings have implications for reserve carrying capacities and understanding of assemblage reconstruction following ecological cascades.
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Ndenda S, Yessoufou K. Updating the correlates of alien mammal invasion intensity in South Africa: The basal metabolic rate matters. Afr J Ecol 2019. [DOI: 10.1111/aje.12694] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Sheltah Ndenda
- Department of Geography Environmental Management and Energy Studies University of Johannesburg Johannesburg South Africa
| | - Kowiyou Yessoufou
- Department of Geography Environmental Management and Energy Studies University of Johannesburg Johannesburg South Africa
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Kelt DA, Heske EJ, Lambin X, Oli MK, Orrock JL, Ozgul A, Pauli JN, Prugh LR, Sollmann R, Sommer S. Advances in population ecology and species interactions in mammals. J Mammal 2019. [DOI: 10.1093/jmammal/gyz017] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
AbstractThe study of mammals has promoted the development and testing of many ideas in contemporary ecology. Here we address recent developments in foraging and habitat selection, source–sink dynamics, competition (both within and between species), population cycles, predation (including apparent competition), mutualism, and biological invasions. Because mammals are appealing to the public, ecological insight gleaned from the study of mammals has disproportionate potential in educating the public about ecological principles and their application to wise management. Mammals have been central to many computational and statistical developments in recent years, including refinements to traditional approaches and metrics (e.g., capture-recapture) as well as advancements of novel and developing fields (e.g., spatial capture-recapture, occupancy modeling, integrated population models). The study of mammals also poses challenges in terms of fully characterizing dynamics in natural conditions. Ongoing climate change threatens to affect global ecosystems, and mammals provide visible and charismatic subjects for research on local and regional effects of such change as well as predictive modeling of the long-term effects on ecosystem function and stability. Although much remains to be done, the population ecology of mammals continues to be a vibrant and rapidly developing field. We anticipate that the next quarter century will prove as exciting and productive for the study of mammals as has the recent one.
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Affiliation(s)
- Douglas A Kelt
- Department of Wildlife, Fish, & Conservation Biology, University of California, Davis, CA, USA
| | - Edward J Heske
- Museum of Southwestern Biology, University of New Mexico, Albuquerque, NM, USA
| | - Xavier Lambin
- School of Biological Sciences, University of Aberdeen, Aberdeen, United Kingdom
| | - Madan K Oli
- Department of Wildlife Ecology and Conservation, University of Florida, Gainesville, FL, USA
| | - John L Orrock
- Department of Integrative Biology, University of Wisconsin, Madison, WI, USA
| | - Arpat Ozgul
- Department of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland
| | - Jonathan N Pauli
- Department of Forest and Wildlife Ecology, University of Wisconsin, Madison, WI, USA
| | - Laura R Prugh
- School of Environmental and Forest Sciences, University of Washington, Seattle, WA, USA
| | - Rahel Sollmann
- Department of Wildlife, Fish, & Conservation Biology, University of California, Davis, CA, USA
| | - Stefan Sommer
- Department of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland
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Cripps JK, Pacioni C, Scroggie MP, Woolnough AP, Ramsey DSL. Introduced deer and their potential role in disease transmission to livestock in Australia. Mamm Rev 2018. [DOI: 10.1111/mam.12142] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jemma K. Cripps
- Department of Environment, Land, Water and Planning; Arthur Rylah Institute for Environmental Research; Heidelberg Vic. 3084 Australia
- School of BioSciences; University of Melbourne; Melbourne Vic. 3010 Australia
| | - Carlo Pacioni
- Department of Environment, Land, Water and Planning; Arthur Rylah Institute for Environmental Research; Heidelberg Vic. 3084 Australia
- School of BioSciences; University of Melbourne; Melbourne Vic. 3010 Australia
| | - Michael P. Scroggie
- Department of Environment, Land, Water and Planning; Arthur Rylah Institute for Environmental Research; Heidelberg Vic. 3084 Australia
- School of BioSciences; University of Melbourne; Melbourne Vic. 3010 Australia
| | - Andrew P. Woolnough
- Department of Economic Development, Jobs, Transport and Resources; 475 Mickleham Road Attwood Vic. 3049 Australia
| | - David S. L. Ramsey
- Department of Environment, Land, Water and Planning; Arthur Rylah Institute for Environmental Research; Heidelberg Vic. 3084 Australia
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Gantchoff MG, Wilton CM, Belant JL. Factors influencing exotic species richness in Argentina's national parks. PeerJ 2018; 6:e5514. [PMID: 30202651 PMCID: PMC6128254 DOI: 10.7717/peerj.5514] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Accepted: 08/03/2018] [Indexed: 11/26/2022] Open
Abstract
Exotic species introductions are a global phenomenon and protected areas are susceptible to them. Understanding the drivers of exotic species richness is vital for prioritizing natural resource management, particularly in developing countries with limited resources. We analyzed the influence of coarse resolution factors on exotic species richness (plants, mammals, and birds) in Argentina’s National Parks System. We collected data on native species richness, year of park formation, park area, region, elevation range, number of rivers crossing area boundaries, roads entering area, mean annual rainfall, mean annual temperature, mean annual number of visitors, and Human Influence Index within and surrounding each park. We compiled 1,688 exotic records in 36 protected areas: 83% plants and 17% animals (9.5% mammals, 5.5% birds, 1.5% fishes, 0% amphibians, 0% reptiles). The five parks with the most exotic species (all taxa combined) were in north Patagonia. Exotic grasses were the most common exotic plants, and within animals, lagomorphs and feral ungulates were remarkably widespread. Exotic plant richness was mostly influenced by temperature and native plant richness, while exotic mammal and bird richness was driven mostly by anthropogenic variables, with models explaining 36–45% of data deviance. Most variables that positively influenced exotic taxa were indirectly related to an increase in spatial heterogeneity (natural or anthropogenic), suggesting greater niche space variability as facilitators of exotic richness increase. Additional data are needed to further investigate the patterns and mechanisms of exotic species richness in protected areas, which will help to prioritize the greatest needs of monitoring and management.
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Affiliation(s)
- Mariela G Gantchoff
- Forest and Wildlife Research Center, Mississippi State University, MS, United States of America
| | - Clay M Wilton
- Michigan Natural Features Inventory, Lansing, MI, United States of America
| | - Jerrold L Belant
- Forest and Wildlife Research Center, Mississippi State University, MS, United States of America
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Merceron NR, Leroy T, Chancerel E, Romero-Severson J, Borkowski DS, Ducousso A, Monty A, Porté AJ, Kremer A. Back to America: tracking the origin of European introduced populations of Quercus rubra L. Genome 2018; 60:778-790. [PMID: 28750176 DOI: 10.1139/gen-2016-0187] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Quercus rubra has been introduced in Europe since the end of the 17th century. It is widely distributed today across this continent and considered invasive in some countries. Here, we investigated the distribution of genetic diversity of both native and introduced populations with the aim of tracing the origin of introduced populations. A large sampling of 883 individuals from 73 native and 38 European locations were genotyped at 69 SNPs. In the natural range, we found a continuous geographic gradient of variation with a predominant latitudinal component. We explored the existence of ancestral populations by performing Bayesian clustering analysis and found support for two or three ancestral genetic clusters. Approximate Bayesian Computations analyses based on these two or three clusters support recent extensive secondary contacts between them, suggesting that present-day continuous genetic variation resulted from recent admixture. In the introduced range, one main genetic cluster was not recovered in Europe, suggesting that source populations were preferentially located in the northern part of the natural distribution. However, our results cannot refute the introduction of populations from the southern states that did not survive in Europe.
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Affiliation(s)
- Nastasia R Merceron
- a BIOGECO, INRA, Univ. Bordeaux, 33610 Cestas, France.,b University of Liège, Gembloux Agro-Bio Tech., Biodiversity and Landscape Unit, 2, Passage des Déportés, B-5030 Gembloux, Belgium
| | | | | | - Jeanne Romero-Severson
- c Department of Biological Sciences, University of Notre Dame, 100 Galvin Life Sciences Center, Notre Dame, IN 46556, USA
| | - Daniel S Borkowski
- c Department of Biological Sciences, University of Notre Dame, 100 Galvin Life Sciences Center, Notre Dame, IN 46556, USA
| | | | - Arnaud Monty
- b University of Liège, Gembloux Agro-Bio Tech., Biodiversity and Landscape Unit, 2, Passage des Déportés, B-5030 Gembloux, Belgium
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Bowie MH, Madi Corodji J, Ford D, Ross JG, McLennan I, Fewster RM, Murphy EC. Mouse management on Ōtamahua/Quail Island—lessons learned. NEW ZEALAND JOURNAL OF ZOOLOGY 2018. [DOI: 10.1080/03014223.2018.1482929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Mike H. Bowie
- Department of Pest-Management and Conservation, Lincoln University, Canterbury, New Zealand
| | - Jacky Madi Corodji
- Department of Pest-Management and Conservation, Lincoln University, Canterbury, New Zealand
- School of Engineering, Montpellier SupAgro, Montpellier, France
| | - Denise Ford
- Department of Pest-Management and Conservation, Lincoln University, Canterbury, New Zealand
| | - James G. Ross
- Department of Pest-Management and Conservation, Lincoln University, Canterbury, New Zealand
| | - Ian McLennan
- Quail Island Ecological Restoration Trust, Christchurch, New Zealand
| | - Rachel M. Fewster
- Department of Statistics, University of Auckland, Auckland, New Zealand
| | - Elaine C. Murphy
- Department of Pest-Management and Conservation, Lincoln University, Canterbury, New Zealand
- Department of Conservation, Christchurch, New Zealand
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38
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Havlin P, Caravaggi A, Montgomery WI. The distribution and trophic ecology of an introduced, insular population of red-necked wallabies (Notamacropus rufogriseus). CAN J ZOOL 2018. [DOI: 10.1139/cjz-2017-0090] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Introduced non-native mammals can have negative impacts on native biota and it is important that their ecologies are quantified so that potential impacts can be understood. Red-necked wallabies (Notamacropus rufogriseus (Desmarest, 1817)) became established on the Isle of Man (IOM), an island with UNESCO Biosphere status, following their escape from zoological collections in the mid-1900s. We estimated wallaby circadial activity and population densities using camera trap surveys and random encounter models. Their range in the IOM was derived from public sightings sourced via social media. Wallaby diet and niche breadth were quantified via microscopic examination of faecal material and compared with those of the European hare (Lepus europaeus Pallas, 1778). The mean (±SE) population density was 26.4 ± 6.9 wallabies/km2, the mean (±SE) population size was 1742 ± 455 individuals, and the species’ range was 282 km2, comprising 49% of the island. Wallaby diets were dominated by grasses, sedges, and rushes; niche breadth of wallabies and hares (0.55 and 0.59, respectively) and overlap (0.60) suggest some potential for interspecific competition and (or) synergistic impacts on rare or vulnerable plant species. The IOM wallaby population is understudied and additional research is required to further describe population parameters, potential impacts on species of conservation interest, and direct and indirect economic costs and benefits.
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Affiliation(s)
- Paige Havlin
- School of Biological Sciences, Queen’s University Belfast, Belfast, BT9 7BL, United Kingdom
| | - Anthony Caravaggi
- School of Biological Sciences, Queen’s University Belfast, Belfast, BT9 7BL, United Kingdom
- Quercus, School of Biological Sciences, Queen’s University Belfast, Belfast, BT9 7BL, United Kingdom
- School of Biological, Earth and Environmental Sciences, University College Cork, Distillery Field, N Mall, Cork, Ireland
| | - W. Ian Montgomery
- School of Biological Sciences, Queen’s University Belfast, Belfast, BT9 7BL, United Kingdom
- Quercus, School of Biological Sciences, Queen’s University Belfast, Belfast, BT9 7BL, United Kingdom
- Institute of Global Food Security, Queen’s University Belfast, Belfast, BT9 5BN, United Kingdom
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da Rosa CA, Zenni R, Ziller SR, de Almeida Curi N, Passamani M. Assessing the risk of invasion of species in the pet trade in Brazil. Perspect Ecol Conserv 2018. [DOI: 10.1016/j.pecon.2017.09.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Woods R, Marr MM, Brace S, Barnes I. The Small and the Dead: A Review of Ancient DNA Studies Analysing Micromammal Species. Genes (Basel) 2017; 8:E312. [PMID: 29117125 PMCID: PMC5704225 DOI: 10.3390/genes8110312] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 10/13/2017] [Accepted: 10/13/2017] [Indexed: 02/06/2023] Open
Abstract
The field of ancient DNA (aDNA) has recently been in a state of exponential growth, largely driven by the uptake of Next Generation Sequencing (NGS) techniques. Much of this work has focused on the mammalian megafauna and ancient humans, with comparatively less studies looking at micromammal fauna, despite the potential of these species in testing evolutionary, environmental and taxonomic theories. Several factors make micromammal fauna ideally suited for aDNA extraction and sequencing. Micromammal subfossil assemblages often include the large number of individuals appropriate for population level analyses, and, furthermore, the assemblages are frequently found in cave sites where the constant temperature and sheltered environment provide favourable conditions for DNA preservation. This review looks at studies that include the use of aDNA in molecular analysis of micromammal fauna, in order to examine the wide array of questions that can be answered in the study of small mammals using new palaeogenetic techniques. This study highlights the bias in current aDNA studies and assesses the future use of aDNA as a tool for the study of micromammal fauna.
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Affiliation(s)
- Roseina Woods
- Department of Earth Sciences, Natural History Museum, Cromwell Road, London SW7 5BD, UK.
| | - Melissa M Marr
- Department of Earth Sciences, Natural History Museum, Cromwell Road, London SW7 5BD, UK.
| | - Selina Brace
- Department of Earth Sciences, Natural History Museum, Cromwell Road, London SW7 5BD, UK.
| | - Ian Barnes
- Department of Earth Sciences, Natural History Museum, Cromwell Road, London SW7 5BD, UK.
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Capinha C, Seebens H, Cassey P, García-Díaz P, Lenzner B, Mang T, Moser D, Pyšek P, Rödder D, Scalera R, Winter M, Dullinger S, Essl F. Diversity, biogeography and the global flows of alien amphibians and reptiles. DIVERS DISTRIB 2017. [DOI: 10.1111/ddi.12617] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Affiliation(s)
- César Capinha
- CIBIO/InBIO; Centro de Investigação em Biodiversidade e Recursos Genéticos; Cátedra Infraestruturas de Portugal-Biodiversidade; Universidade do Porto; Vairão Portugal
- Zoologisches Forschungsmuseum Alexander Koenig; Bonn Germany
- Global Health and Tropical Medicine (GHTM); Instituto de Higiene e Medicina Tropical (IHMT); Universidade Nova de Lisboa (UNL); Lisboa Portugal
| | - Hanno Seebens
- Division of Conservation Biology, Vegetation and Landscape Ecology; Department of Biodiversity Research; University of Vienna; Vienna Austria
- Senckenberg Biodiversity and Climate Research Centre (BiK-F); Frankfurt am Main Germany
| | - Phillip Cassey
- School of Biological Sciences and Centre for Conservation Science and Technology (CCoST); The University of Adelaide; North Terrace SA Australia
| | - Pablo García-Díaz
- School of Biological Sciences and Centre for Conservation Science and Technology (CCoST); The University of Adelaide; North Terrace SA Australia
- Landcare Research New Zealand; Lincoln New Zealand
| | - Bernd Lenzner
- Division of Conservation Biology, Vegetation and Landscape Ecology; Department of Biodiversity Research; University of Vienna; Vienna Austria
| | - Thomas Mang
- Division of Conservation Biology, Vegetation and Landscape Ecology; Department of Biodiversity Research; University of Vienna; Vienna Austria
| | - Dietmar Moser
- Division of Conservation Biology, Vegetation and Landscape Ecology; Department of Biodiversity Research; University of Vienna; Vienna Austria
| | - Petr Pyšek
- Institute of Botany; Department of Invasion Ecology; The Czech Academy of Sciences; Průhonice Czech Republic
- Department of Ecology; Faculty of Science; Charles University in Prague; Prague Czech Republic
- Centre for Invasion Biology; Department of Botany and Zoology; Stellenbosch University; Matieland South Africa
| | - Dennis Rödder
- Zoologisches Forschungsmuseum Alexander Koenig; Bonn Germany
| | | | - Marten Winter
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig; Leipzig Germany
| | - Stefan Dullinger
- Division of Conservation Biology, Vegetation and Landscape Ecology; Department of Biodiversity Research; University of Vienna; Vienna Austria
| | - Franz Essl
- Division of Conservation Biology, Vegetation and Landscape Ecology; Department of Biodiversity Research; University of Vienna; Vienna Austria
- Centre for Invasion Biology; Department of Botany and Zoology; Stellenbosch University; Matieland South Africa
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Krojerová-Prokešová J, Barančeková M, Kawata Y, Oshida T, Igota H, Koubek P. Genetic differentiation between introduced Central European sika and source populations in Japan: effects of isolation and demographic events. Biol Invasions 2017. [DOI: 10.1007/s10530-017-1424-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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45
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Prioritising islands in the United Kingdom and crown dependencies for the eradication of invasive alien vertebrates and rodent biosecurity. EUR J WILDLIFE RES 2017. [DOI: 10.1007/s10344-017-1084-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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La Morgia V, Paoloni D, Genovesi P. Eradicating the grey squirrel Sciurus carolinensis from urban areas: an innovative decision-making approach based on lessons learnt in Italy. PEST MANAGEMENT SCIENCE 2017; 73:354-363. [PMID: 27367228 DOI: 10.1002/ps.4352] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Revised: 06/24/2016] [Accepted: 06/29/2016] [Indexed: 06/06/2023]
Abstract
BACKGROUND Eradication of invasive alien species supports the recovery of native biodiversity. A new European Union Regulation introduces obligations to eradicate the most harmful invasive species. However, eradications of charismatic mammals may encounter strong opposition. Considering the case study of the eastern grey squirrel (Sciurus carolinensis Gmelin, 1788) in central Italy, we developed a structured decision-making technique based on a Bayesian decision network model and explicitly considering the plurality of environmental values of invasive species management to reduce potential social conflicts. RESULTS The model identified priority areas for management activities. These areas corresponded to the core of the grey squirrel range, but they also included peripheral zones, where rapid eradication is fundamental to prevent the spread of squirrels. However, when the model was expanded to integrate the attitude of citizens towards the project, the intervention strategy slightly changed. In some areas, the citizens' support was limited, and this resulted in a reduced overall utility of intervention. CONCLUSION The suggested approach extends the scientific basis for management decisions, evaluated in terms of technical efficiency, feasibility and social impact. Here, the Bayesian decision network model analysed the potential technical and social consequences of management actions, and it responded to the need for transparency in the decision-making process, but it can easily be extended to consider further issues that are common in many mammal eradication programmes. Owing to its flexibility and comprehensiveness, it provides an innovative example of how to plan rapid eradication or control activities, as required by the new EU Regulation. © 2016 Society of Chemical Industry.
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Affiliation(s)
| | | | - Piero Genovesi
- Institute for Environmental Protection and Research - ISPRA, Rome, Italy
- IUCN SSC Invasive Species Specialist Group
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47
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Boertje RD, Gardner CL, Ellis MM, Bentzen TW, Gross JA. Demography of an increasing caribou herd with restricted wolf control. J Wildl Manage 2017. [DOI: 10.1002/jwmg.21209] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Rodney D. Boertje
- Alaska Department of Fish and Game; 1300 College Road Fairbanks AK 99701-1551 USA
| | - Craig L. Gardner
- Alaska Department of Fish and Game; 1300 College Road Fairbanks AK 99701-1551 USA
| | - Martha M. Ellis
- Alaska Department of Fish and Game; 1300 College Road Fairbanks AK 99701-1551 USA
| | | | - Jeffrey A. Gross
- Alaska Department of Fish and Game; PO Box 355 Tok AK 99780-0355 USA
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Swanepoel M, Leslie AJ, Hoffman LC. Farmers' perceptions of the extra-limital common warthog in the Northern Cape and free state provinces, South Africa. WILDLIFE SOC B 2016. [DOI: 10.1002/wsb.617] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Monlee Swanepoel
- Faculty of AgriSciences; Department of Conservation Ecology and Entomology; Stellenbosch University; Private Bag X1 Matieland Stellenbosch 7602 South Africa
| | - Alison J. Leslie
- Faculty of AgriSciences; Department of Conservation Ecology and Entomology; Stellenbosch University; Private Bag X1 Matieland Stellenbosch 7602 South Africa
| | - Louwrens C. Hoffman
- Faculty of AgriSciences; Department of Conservation Ecology and Entomology; Stellenbosch University; Private Bag X1 Matieland Stellenbosch 7602 South Africa
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Davis NE, Bennett A, Forsyth DM, Bowman DMJS, Lefroy EC, Wood SW, Woolnough AP, West P, Hampton JO, Johnson CN. A systematic review of the impacts and management of introduced deer (family Cervidae) in Australia. WILDLIFE RESEARCH 2016. [DOI: 10.1071/wr16148] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Deer are among the world’s most successful invasive mammals and can have substantial deleterious impacts on natural and agricultural ecosystems. Six species have established wild populations in Australia, and the distributions and abundances of some species are increasing. Approaches to managing wild deer in Australia are diverse and complex, with some populations managed as ‘game’ and others as ‘pests’. Implementation of cost-effective management strategies that account for this complexity is hindered by a lack of knowledge of the nature, extent and severity of deer impacts. To clarify the knowledge base and identify research needs, we conducted a systematic review of the impacts and management of wild deer in Australia. Most wild deer are in south-eastern Australia, but bioclimatic analysis suggested that four species are well suited to the tropical and subtropical climates of northern Australia. Deer could potentially occupy most of the continent, including parts of the arid interior. The most significant impacts are likely to occur through direct effects of herbivory, with potentially cascading indirect effects on fauna and ecosystem processes. However, evidence of impacts in Australia is largely observational, and few studies have experimentally partitioned the impacts of deer from those of sympatric native and other introduced herbivores. Furthermore, there has been little rigorous testing of the efficacy of deer management in Australia, and our understanding of the deer ecology required to guide deer management is limited. We identified the following six priority research areas: (i) identifying long-term changes in plant communities caused by deer; (ii) understanding interactions with other fauna; (iii) measuring impacts on water quality; (iv) assessing economic impacts on agriculture (including as disease vectors); (v) evaluating efficacy of management for mitigating deer impacts; and (vi) quantifying changes in distribution and abundance. Addressing these knowledge gaps will assist the development and prioritisation of cost-effective management strategies and help increase stakeholder support for managing the impacts of deer on Australian ecosystems.
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Angelici FM. Fate of the Mongooses and the Genet (Carnivora) in Mediterranean Europe: None Native, All Invasive? PROBLEMATIC WILDLIFE 2016. [PMCID: PMC7123068 DOI: 10.1007/978-3-319-22246-2_14] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The Mediterranean Basin (MB), connected by cultural exchanges since prehistoric times, provides an outstanding framework to study species introductions, notably in mammals. Carnivores are among the most successful mammalian invaders. As such, a number of middle-sized representatives (“mesocarnivores”) such as the domestic cat and mongooses have been pinpointed for their deleterious impact on the native fauna. In the MB, three species of mongooses (Herpestidae) and one genet (Viverridae) are or have recently been recorded and none of them has been considered native: the Indian grey mongoose Herpestes edwardsii, the small Indian mongoose H. auropunctatus, the Egyptian mongoose H. ichneumon, and the common genet Genetta genetta. In order to clarify the history of introduction and status of the mongooses and genet in Europe, I review various bodies of evidence including (1) their natural history and relationships with humans in their native ranges, (2) their history of introduction in Europe, (3) the enlightenments—and sometimes contradictions—brought by recent genetic analyses on their dispersal histories, and (4) their range dynamics and ecological interactions with the European fauna. The species of herpestids and viverrids present in Europe fall into three categories: (1) introduced and spreading (G. genetta, H. auropunctatus), (2) introduced and extinct (H. edwardsii), and (3) natural disperser and spreading (H. ichneumon). In view of the reviewed evidence, there is weak support for a deleterious impact of the mongooses and genet on the European fauna (except possibly on the herpetofauna of small Adriatic islands in the case of H. auropunctatus), notably in comparison with genuine invasive species such as the black rat and the domestic cat. Rather than inefficient control programs such as those targeting H. ichneumon in Portugal and H. auropunctatus in Croatia, we suggest that a greater attention is focused on the restoration of large Carnivores (the natural regulators of mesocarnivore populations), mesocarnivore communities and natural habitats, to contribute to a more sustainable way of “managing” the mongooses and genet in Europe.
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