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Khan N, Ullah R, Okla MK, Abdel-Maksoud MA, Saleh IA, Abu-Harirah HA, AlRamadneh TN, AbdElgawad H. Environmental and anthropogenic drivers of watercress ( Nasturtium officinale) communities in char-lands and water channels across the Swat River Basin: implication for conservation planning. FRONTIERS IN PLANT SCIENCE 2023; 14:1225030. [PMID: 37841622 PMCID: PMC10569500 DOI: 10.3389/fpls.2023.1225030] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 09/05/2023] [Indexed: 10/17/2023]
Abstract
Recent anthropogenic sources and excess usage have immensely threatened the communities and habitat ecology of this region's medicinally and economically significant crops. Therefore, our study aims to evaluate the community structure and related environmental characteristics sustaining Nasturtium officinale communities along the river basin (RB) in Northwest Pakistan, using the clustering procedure (Ward's method) and Redundancy analysis (RDA). From 340 phytosociological plots (34 × 10 = 340), we identified four ecologically distinct assemblages of N. officinale governed by different environmental and anthropogenic factors for the first time. The floristic structure shows the dominance of herbaceous (100%), native (77%), and annual (58.09%) species indicating relatively stable communities; however, the existence of the invasive plants (14%) is perturbing and may cause instability in the future, resulting in the replacement of herbaceous plant species. Likewise, we noticed apparent variations in the environmental factors, i.e., clay percentage (p = 3.1 × 10-5), silt and sand percentage (p< 0.05), organic matter (p< 0.001), phosphorus and potassium (p< 0.05), and heavy metals, i.e., Pb, Zn, and Cd (p< 0.05), indicating their dynamic role in maintaining the structure and composition of these ecologically distinct communities. RDA has also demonstrated the fundamental role of these factors in species-environment correlations and explained the geospatial variability and plants' ecological amplitudes in the Swat River wetland ecosystem. We concluded from this study that N. officinale communities are relatively stable due to their rapid colonization; however, most recent high anthropogenic interventions especially overharvesting and sand mining activities, apart from natural enemies, water deficit, mega-droughts, and recent flood intensification due to climate change scenario, are robust future threats to these communities. Our research highlights the dire need for the sustainable uses and conservation of these critical communities for aesthetics, as food for aquatic macrobiota and humans, enhancing water quality, breeding habitat, fodder crop, and its most promising medicinal properties in the region.
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Affiliation(s)
- Nasrullah Khan
- Department of Botany, University of Malakand, Khyber Pakhtunkhwa, Pakistan
| | - Rafi Ullah
- Department of Botany, University of Malakand, Khyber Pakhtunkhwa, Pakistan
| | - Mohammad K. Okla
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Mostafa A. Abdel-Maksoud
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | | | - Hashem A. Abu-Harirah
- Department of Medical Labortory Sciences, Faculty of Allied Medical Sciences, Zarqa University, Zarqa, Jordan
| | - Tareq Nayef AlRamadneh
- Department of Medical Labortory Sciences, Faculty of Allied Medical Sciences, Zarqa University, Zarqa, Jordan
| | - Hamada AbdElgawad
- Integrated Molecular Plant Physiology Research, Department of Biology, Univeristy of Antwerp, Antwerp, Belgium
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Khan N, Ullah R, Okla MK, Abdel-Maksoud MA, Saleh IA, Abu-Harirah HA, AlRamadneh TN, AbdElgawad H. Spatial distribution of the four invasive plants and their impact on natural communities' dynamics across the arid and semi-arid environments in northwest Pakistan. FRONTIERS IN PLANT SCIENCE 2023; 14:1207222. [PMID: 37692447 PMCID: PMC10485558 DOI: 10.3389/fpls.2023.1207222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 08/07/2023] [Indexed: 09/12/2023]
Abstract
Introduction Non-native species are globally successful invaders with negative impacts on vegetation communities' social, economic, and ecological values. Hence, the current research was carried out to assess the spatial distribution patterns and vegetative diversity of the four non-native species in severely invaded areas of the semi-arid parts of northern Pakistan. Methods The research was conducted using data from 1065 plots spread across 165 sites. These sites represented habitats throughout Northern Province, such as farm countryside, highlands, and abandoned places in rural and urban areas. Results and discussion The communities were floristically diverse, represented by 107 plant species, and dominated mainly by annual and perennial life forms with herbaceous habits. Similarly, the floristic structure shows significant variation tested by the χ2 test (P< 0.05) for plant status, life forms, life cycle, and habitat base distribution. In addition, the diversity indices show significant variation having the highest diversity in C-III (P. hysterophorus-dominated sites) and lowest in C-IV (S. marianum-dominated sites, i.e., primarily pure communities), indicating non-native species may increase or decrease site diversity. The diversity communities were further supported by higher quantities of soil nutrients, i.e., organic percentage (2.22 ± 0.04). Altitude, soil nutrients, and texture were shown to be the environmental factors most associated with communities that non-native species had invaded. Recommendation It is recommended that relevant, additional soil and climatic parameters be integrated into species distribution models to improve our understanding of the ecological niches of different species and to make a collective approach for preserving and conserving native plant communities.
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Affiliation(s)
- Nasrullah Khan
- Department of Botany, University of Malakand, Chakdara, Khyber Pakhtunkhwa, Pakistan
- University of Malakand, Chakdara, Pakistan
| | - Rafi Ullah
- University of Malakand, Chakdara, Pakistan
| | - Mohammad K. Okla
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Mostafa A. Abdel-Maksoud
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | | | - Hashem A. Abu-Harirah
- Department of Medical Laboratory Sciences, Faculty of Allied Medical Sciences, Zarqa University, Zarqa, Jordan
| | - Tareq Nayef AlRamadneh
- Department of Medical Laboratory Sciences, Faculty of Allied Medical Sciences, Zarqa University, Zarqa, Jordan
| | - Hamada AbdElgawad
- Laboratory for Integrated Molecular Plant Physiology Research, Department of Biology, Faculty of Sciences, University of Antwerp, Antwerp, Belgium
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Katsiaras N, Evagelopoulos A, Simboura N, Atsalaki A, Koutsoubas D. Functional traits of polychaetes change between different types of Posidonia oceanica habitats. MARINE ENVIRONMENTAL RESEARCH 2022; 181:105731. [PMID: 36075157 DOI: 10.1016/j.marenvres.2022.105731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 08/12/2022] [Accepted: 08/16/2022] [Indexed: 06/15/2023]
Abstract
Meadows of Posidonia oceanica harbor rich biodiversity and ecosystem functions, yet Biological Traits Analysis on the resident benthic communities are lacking. This study aims to provide insight on the functional diversity of polychaetes communities, a dominant benthic group, between the different habitat types of P. oceanica (plain meadow, strips/patches and dead matte), as well as pilot indicators of habitat modification. The results showed how specific traits relate to the different habitat types. Plain meadow was different to strips/patches and dead matte in functional composition, diversity and thus, the ecosystem functions involved. However, an overlap was observed in functional composition between dead matte and living P. oceanica, due to the remaining matte structure. This highlights the importance of the former on ecosystem functioning and the serious consequences of its current exclusion from conservational legislation. In addition, the classification of species to ecosystem engineering types showed interesting potential as an indicator.
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Affiliation(s)
- N Katsiaras
- Institute of Oceanography, Hellenic Centre for Marine Research, 46.7km Athinon-Souniou Ave, Anavissos, 19013, Greece; Department of Marine Sciences, University of the Aegean, University Hill, Mytilene, 81100, Greece.
| | - A Evagelopoulos
- Fisheries Research Institute, Hellenic Agricultural Organization "Demeter", Nea Peramos, Kavala, 64007, Greece
| | - N Simboura
- Institute of Oceanography, Hellenic Centre for Marine Research, 46.7km Athinon-Souniou Ave, Anavissos, 19013, Greece
| | - A Atsalaki
- Department of Marine Sciences, University of the Aegean, University Hill, Mytilene, 81100, Greece
| | - D Koutsoubas
- Department of Marine Sciences, University of the Aegean, University Hill, Mytilene, 81100, Greece
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Rivera JD, Favila ME. Good news! Sampling intensity needed for accurate assessments of dung beetle diversity may be lower in the Neotropics. Front Ecol Evol 2022. [DOI: 10.3389/fevo.2022.999488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Ecological studies with Scarabaeinae dung beetles have increased exponentially over the past 30 years, using lethal pitfall traps baited with mammal feces or carrion as the preferred sampling method. Different studies have determined the distance between pitfall traps for effective sampling, but the number of traps is often subjective, leading to excessive or poor sampling. This study provides quantitative guidelines for establishing the sample size for optimal completeness of dung beetle diversity by systematically reviewing the relationship between sampling intensity and sampling coverage, habitat type, and the journal impact factor in peer-reviewed research. We gathered 94 studies covering a range from México to Argentina. Sampling was conducted mainly in forested habitats, followed by treeless agriculture and agroforestry systems, with a median value of 50 pitfall traps per sampled habitat. Sampling completeness was above 0.9 in 95% of the studies. Oversampling ranged from 1 to more than 96,000 individuals, and sampling deficit varied between 2 and 3,300 specimens. Sampling intensity and the journal impact factor were significantly and positively correlated with oversampling, but these variables did not explain the sampling deficit. The positive correlation between journal impact factor and oversampling may reflect a publication bias where high-impact journals and researchers seek more generalizable information obtained with a higher sampling intensity. Dung beetle oversampling was not homogeneous between habitats, being highest in old-growth forests and lowest in disturbed habitats such as pastures and forest edges. Our results show that the collection intensity used in dung beetle studies should be reconsidered carefully. By incorporating ethical principles used in animal science, we suggest sampling guidelines for a robust sampling scheme of dung beetle diversity, which would also prevent oversampling. Consciously reducing sampling intensity will make resource use more cost-effective. We suggest increasing the number of independent sampling units rather than intensifying subsampling, thereby increasing the predictive power of statistical models to obtain more robust evidence of the phenomena under study.
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Invasive Species as Rivals: Invasive Potential and Distribution Pattern of Xanthium strumarium L. SUSTAINABILITY 2022. [DOI: 10.3390/su14127141] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Xanthium strumarium L. is a globally successful invasive herb that has had significant negative ecological, economic and social impacts in many world regions. The present study was therefore conducted to evaluate the invasive potential and spatial distribution patterns of X. strumarium in heavily invaded plant communities of the semiarid regions of northern Pakistan. Investigations were based on data from 20 plants grown in the Herbarium at the University of Malakand, and from observations in 450 plots distributed across 45 stands representing habitats across Northern Province including open fields, hillocks and abandoned areas in both urban and rural areas. Multivariate analysis identified elevation, organic matter and organic carbon as the environmental variables most associated with communities invaded by X. strumarium. Increased soil silt was positively associated and available water was negatively associated with X. strumarium–invaded communities. These key environmental characteristics allowed us to identify four main associations: Group I: X. strumarium-C. sativa, Group II: X. strumarium-P. hysterophorus, Group III: X. strumarium-A. aspera and Group IV: X. strumarium-C. sativa. Other invasive species were observed, either exotic, such as P. hysterophorus, or indigenous, such as C. sativa and D. inoxia, often co-occurring and responding similarly to these factors. The results suggest that high temperature with drought stress could be a determinant of increasing population at lower elevations, whereas colder climates with adequate moisture are related to reduced populations at higher elevations, near the species’ upper range limits. It is recommend that the inclusion of appropriate, additional soil and climatic variables in species distribution models be implemented in order to better explain species’ ecological niches and help guide conservation and protection plans for native plant communities.
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Estupiñan-Mojica A, Portela-Salomão R, Liberal CN, Santos BA, Machado CC, de Araujo HF, Von Thaden J, Alvarado F. Landscape attributes shape dung beetle diversity at multiple spatial scales in agricultural drylands. Basic Appl Ecol 2022. [DOI: 10.1016/j.baae.2022.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Ortega-Martínez IJ, Moreno CE, Arellano L, Castellanos I, Rosas F, Ríos-Díaz CL. The relationship between dung beetle diversity and manure removal in forest and sheep grazed grasslands. COMMUNITY ECOL 2021. [DOI: 10.1007/s42974-021-00043-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Paiva IG, Auad AM, Veríssimo BA, Silveira LCP. Differences in the insect fauna associated to a monocultural pasture and a silvopasture in Southeastern Brazil. Sci Rep 2020; 10:12112. [PMID: 32694546 PMCID: PMC7374564 DOI: 10.1038/s41598-020-68973-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 06/29/2020] [Indexed: 11/09/2022] Open
Abstract
A major challenge for global agriculture is the reduction of the environmental impacts caused by meat and dairy production, and the conversion of monocultural pastures to silvopastoral systems has emerged as an important ally in this process. In order to understand the effects of this conversion we analysed 4 years of sampling of the insect fauna from a conventional monocultural pasture and a silvopastoral system in Minas Gerais, Brazil. We aimed to determine whether the changes caused by the conversion affected the abundance, richness and diversity of the insect orders found in the two systems. Total abundance, richness and diversity did not differ between the two systems, but we detected a significant difference in community composition. Several insect orders showed differences in either abundance, richness or diversity between the two systems, and several families of Hymenoptera, which contains pollinators and natural enemies, showed important increases in the silvopasture. Conversion of monocultural pastures to silvopastures can have important consequences on insect fauna involved in essential ecosystem functions, and the implementation of silvopastures at larger scales has the potential to benefit biodiversity conservation and ecosystem service provision at the landscape scale.
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Affiliation(s)
- Iris Guedes Paiva
- Programa de Pós-Graduação em Entomologia, Universidade Federal de Lavras-UFLA, Campus Universitário, Caixa Postal 3037, Lavras, MG, CEP 37200-900, Brazil
| | | | - Bruno Antonio Veríssimo
- Programa de Pós-Graduação em Comportamento e Biologia Animal, Universidade Federal de Juiz de Fora, Juiz de Fora, MG, Brasil
| | - Luís Cláudio Paterno Silveira
- Departmento de Entomologia, Universidade Federal de Lavras-UFLA, Campus Universitário, Caixa Postal 3037, Lavras, MG, CEP 37200-900, Brazil
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Foster CW, Kelly C, Rainey JJ, Holloway GJ. Effects of urbanisation and landscape heterogeneity mediated by feeding guild and body size in a community of coprophilous beetles. Urban Ecosyst 2020. [DOI: 10.1007/s11252-020-00997-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
AbstractAlthough the impacts of urbanisation on biodiversity are well studied, the precise response of some invertebrate groups remains poorly known. Dung-associated beetles are little studied in an urban context, especially in temperate regions. We considered how landscape heterogeneity, assessed at three spatial scales (250, 500 and 1000 m radius), mediates the community composition of coprophilous beetles on a broad urban gradient. Beetles were sampled using simple dung-baited traps, placed at 48 sites stratified across three distance bands around a large urban centre in England. The most urban sites hosted the lowest abundance of saprophagous beetles, with a lower mean body length relative to the least urban sites. Predicted overall species richness and the richness of saprophagous species were also lowest at the most urban sites. Ordination analyses followed by variation partitioning revealed that landscape heterogeneity across the urban gradient explained a small but significant proportion of community composition. Heterogeneity data for a 500-m radius around each site provided the best fit with beetle community data. Larger saprophagous species were associated with lower amounts of manmade surface and improved grassland. Some individual species, particularly predators, appeared to be positively associated with urban or urban fringe sites. This study is probably the first to examine the response of the whole coprophilous beetle community to urbanisation. Our results suggest that the response of this community to urbanisation matches expectations based on other taxonomic groups, whilst emphasising the complex nature of this response, with some smaller-bodied species potentially benefitting from urbanisation.
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Muñoz-Arenas LC, Fusaro C, Hernández-Guzmán M, Dendooven L, Estrada-Torres A, Navarro-Noya YE. Soil microbial diversity drops with land-use change in a high mountain temperate forest: a metagenomics survey. ENVIRONMENTAL MICROBIOLOGY REPORTS 2020; 12:185-194. [PMID: 31965701 DOI: 10.1111/1758-2229.12822] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 01/12/2020] [Accepted: 01/16/2020] [Indexed: 06/10/2023]
Abstract
Land-use change has been identified as the most severe threat to biodiversity. Soils are important biodiversity reservoirs, but to what extent conversion of high-altitude temperate forest to arable land affects taxonomic and functional soil biodiversity is still largely unknown. Shotgun metagenomics was used to determine the taxonomic and functional diversity of bacteria, archaea and DNA virus in terms of effective number of species in high-altitude temperate oak and pine-oak forest and arable soils from Mexico. Generally, the soil ecosystem maintained its microbial species richness notwithstanding land-use change. Archaea diversity was not affected by land-use change, but the bacterial diversity decreased with 45-55% when the oak forest was converted to arable land and 65-75% when the pine-oak forest was. Loss in bacterial diversity as a result of land-use change was positively correlated (R2 = 0.41) with the 10-25% loss in functional diversity. The archaeal communities were evener than the bacterial ones, which might explain their different response to land-use change. We expected a decrease in DNA viral communities as the bacterial diversity decreased, i.e. their potential hosts. However, a higher viral diversity was found in the arable than in the forest soils. It was found that converting high altitude oak and pine-oak forests to arable land more than halved the bacterial diversity, but did not affect the archaeal and even increased the viral diversity.
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Affiliation(s)
- Ligia C Muñoz-Arenas
- Doctorado en Ciencias Biológicas, Centro Tlaxcala de Biología de la Conducta, Universidad Autónoma de Tlaxcala, Tlaxcala de Xicohténcatl, Tlaxcala, Mexico
- Facultad de Ingeniería Ambiental, UPAEP Universidad, Puebla, Mexico
| | - Carmine Fusaro
- Doctorado en Ciencias Biológicas, Centro Tlaxcala de Biología de la Conducta, Universidad Autónoma de Tlaxcala, Tlaxcala de Xicohténcatl, Tlaxcala, Mexico
| | | | - Luc Dendooven
- Laboratory of Soil Ecology, ABACUS-Cinvestav, Ciudad de México, México
| | - Arturo Estrada-Torres
- Centro Tlaxcala de Biología de la Conducta, Universidad Autónoma de Tlaxcala, Tlaxcala de Xicohténcatl, Tlaxcala, México
| | - Yendi E Navarro-Noya
- Cátedras Conacyt-Universidad Autónoma de Tlaxcala, Tlaxcala de Xicohténcatl, Tlaxcala, México
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Ortega-Martínez IJ, Moreno CE, Rios-Díaz CL, Arellano L, Rosas F, Castellanos I. Assembly mechanisms of dung beetles in temperate forests and grazing pastures. Sci Rep 2020; 10:391. [PMID: 31941989 PMCID: PMC6962461 DOI: 10.1038/s41598-019-57278-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Accepted: 12/16/2019] [Indexed: 11/12/2022] Open
Abstract
The role of deterministic and stochastic mechanisms in community assembly is a key question in ecology, but little is known about their relative contribution in dung beetle assemblages. Moreover, in human modified landscapes these mechanisms are crucial to understand how biodiversity can be maintained in productive agroecosystems. We explored the assembly mechanisms driving dung beetle assemblages in forests and grazed grassland patches, and assessed the role of dung availability, soil hardness and moisture, elevation and land use heterogeneity as environmental predictors of functional diversity. To determine the underlying assembly mechanisms, we estimated functional diversity metrics (functional richness, evenness and divergence) and their departure from the predicted values by null models. We also used GLMs to assess the influence of environmental variables on functional diversity. In most cases, stochastic processes prevailed in structuring dung beetle assemblages and, consequently, environmental variables were not good predictors of dung beetle functional diversity. However, limiting similarity was found as a secondary mechanism with an effect on dung beetle assemblages in grasslands. Our results highlight the importance of stochastic processes that may reflect a metacommunity dynamic. Therefore, restoring landscape connectivity might be more important than habitat quality for the conservation of these functionally diverse beetle assemblages.
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Affiliation(s)
- Ilse J Ortega-Martínez
- Centro de Investigaciones Biológicas, Instituto de Ciencias Básicas e Ingeniería, Universidad Autónoma del Estado de Hidalgo, Mineral de la Reforma, Hidalgo, Mexico
| | - Claudia E Moreno
- Centro de Investigaciones Biológicas, Instituto de Ciencias Básicas e Ingeniería, Universidad Autónoma del Estado de Hidalgo, Mineral de la Reforma, Hidalgo, Mexico.
| | - Cecilia Lucero Rios-Díaz
- Centro de Investigaciones Biológicas, Instituto de Ciencias Básicas e Ingeniería, Universidad Autónoma del Estado de Hidalgo, Mineral de la Reforma, Hidalgo, Mexico
| | - Lucrecia Arellano
- Red de Ecoetología, Instituto de Ecología, A. C., Xalapa, Veracruz, Mexico
| | - Fernando Rosas
- Centro de Investigaciones Biológicas, Instituto de Ciencias Básicas e Ingeniería, Universidad Autónoma del Estado de Hidalgo, Mineral de la Reforma, Hidalgo, Mexico
| | - Ignacio Castellanos
- Centro de Investigaciones Biológicas, Instituto de Ciencias Básicas e Ingeniería, Universidad Autónoma del Estado de Hidalgo, Mineral de la Reforma, Hidalgo, Mexico
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Márquez J, Asiain J, Martínez-Falcón AP, Escoto-Moreno JA. Coleoptera in the Canopy of the Cloud Forest From Tlanchinol in the State of Hidalgo, Mexico. ENVIRONMENTAL ENTOMOLOGY 2019; 48:1012-1023. [PMID: 31114874 DOI: 10.1093/ee/nvz059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Indexed: 06/09/2023]
Abstract
We describe the biodiversity, seasonal variation, and the possible edge effect of Coleoptera found in the canopy of the cloud forest in Tlanchinol in the state of Hidalgo. The coleopterans were collected by means of three fogging events during the dry season and another three during the rainy season in three sites of the forest: the edge, an intermediate, and an internal site. In total, 3,487 coleopterans were collected, belonging to 325 morphospecies from 52 families. The family with the largest number of morphospecies and abundance was Staphylinidae, followed by Curculionidae and Chrysomelidae. Species richness and abundance were higher in the dry season than in the rainy season. The biodiversity analyses, however, suggest that the rainy season showed the highest biodiversity levels, mainly because of the pronounced dominance of some species in the dry season. Species composition was different between the dry and rainy seasons. The internal site showed the lowest biodiversity compared with the intermediate and edge sites. The main edge effect detected was that species composition in the edge site differed from the intermediate and internal sites. Species composition did not differ significantly between the two latter sites. These results suggest that the study zone had a considerable level of biodiversity of Coleoptera and that it was very likely in a well-preserved condition, which supports the findings of another study previously performed in the same site using flight intercept traps.
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Affiliation(s)
- Juan Márquez
- Laboratorio de Sistemática Animal, Mineral de la Reforma, Hidalgo, México
| | - Julieta Asiain
- Laboratorio de Sistemática Animal, Mineral de la Reforma, Hidalgo, México
| | - Ana P Martínez-Falcón
- Laboratorio de Ecología de Comunidades, Centro de Investigaciones Biológicas, Instituto de Ciencias Básicas e Ingeniería, Universidad Autónoma del Estado de Hidalgo, carretera Pachuca-Tulancingo s/n, Ciudad del Conocimiento, Col. Carboneras, CP, Mineral de la Reforma, Hidalgo, México
| | - Jaime A Escoto-Moreno
- Colección Zoológica, Departamento de Biología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes. Ciudad Universitaria, Aguascalientes, Aguascalientes, México
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