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Sci Total Environ


Title:Site and species contribution to beta-diversity in terrestrial mammal communities: Evidence from multiple Neotropical forest sites
Author(s):Santos F; Lima MGM; Espinosa S; Ahumada JA; Jansen PA; Spironello WR; Hurtado J; Juen L; Peres CA;
Address:"Programa de Pos-graduacao em Ecologia, Universidade Federal do Para, Belem, Para, Brazil; Departamento de Mastozoologia, Museu Paraense Emilio Goeldi, Belem, Para, Brazil. Electronic address: afernandassantos@gmail.com. Departamento de Macroecologia e Biogeografia da Conservacao, Universidade Federal do Para, Belem, Para, Brazil. Facultad de Ciencias, Universidad Autonoma de San Luis Potosi, San Luis Potosi, Mexico; Escuela de Ciencias Biologicas, Pontificia Universidad Catolica del Ecuador, Quito, Ecuador. Moore Center for Science, Conservation International, Arlington, VA, USA. Wildlife Ecology and Conservation Group, Wageningen University and Research, Wageningen, the Netherlands; Smithsonian Tropical Research Institute, Balboa, Ancon, Panama. Grupo de Pesquisa de Mamiferos Amazonicos, Coordenacao de Biodiversidade, Instituto Nacional de Pesquisas da Amazonia, Manaus, Brazil. Independent consultant of Wildlife Management and Conservation, Heredia, Costa Rica. Laboratorio de Ecologia e Conservacao, Universidade Federal do Para, Belem, Para, Brazil. Centre for Ecology, Evolution and Conservation, School of Environmental Sciences, University of East Anglia, Norwich, UK"
Journal Title:Sci Total Environ
Year:2021
Volume:20210523
Issue:
Page Number:147946 -
DOI: 10.1016/j.scitotenv.2021.147946
ISSN/ISBN:1879-1026 (Electronic) 0048-9697 (Linking)
Abstract:"In a scenario where escalating human activities lead to several environmental changes and, consequently, affect mammal abundance and distribution, beta-diversity may increase due to differences among sites. Using the ecological uniqueness approach, we analyzed beta-diversity patterns of ground-dwelling mammal communities recorded through comprehensive camera trap monitoring within eight tropical forests protected areas in Mesoamerica and South America under variable landscape contexts. We aimed to investigate whether the contribution of single sites (LCBD) and single species (SCBD) to overall beta-diversity could be explained by community metrics and environmental variables, and by species metrics and biological traits, respectively. Total beta-diversity was also partitioned into species replacement and richness difference. We related LCBD to species richness, total relative abundance, functional indices, and environmental variables (tree basal area, protected area size, NDVI, and precipitation seasonality), and SCBD to species naive occupancy, relative abundance, and morphoecological traits via beta regression. Our findings showed that LCBD was primarily explained by variation in species richness, rather than relative abundance and functional metrics. Protected area size and tree basal area were also important in explaining variation in LCBD. SCBD was strongly related to naive occupancy and relative abundance, but not to biological traits, such as body mass, trophic energy level, activity cycle, and taxonomic category. Local beta-diversity was a result of species replacements and to a lesser extent differences in species richness. Our approach was useful in examining and comparing the ecological uniqueness among different sites, revealing the regional scale current status of mammal diversity. High LCBD values comprised sites embedded within smaller habitat extents, hosting lower tree basal areas, and harboring low species richness. SCBD showed that relatively ubiquitous species that occur at variable abundances across sites contributed most to beta-diversity"
Keywords:Animals Biodiversity *Ecosystem Forests Humans *Mammals South America Trees Camera trapping monitoring Conservation Ecological uniqueness Lcbd Large-bodied mammals Protected areas;
Notes:"MedlineSantos, Fernanda Lima, Marcela Guimaraes Moreira Espinosa, Santiago Ahumada, Jorge A Jansen, Patrick A Spironello, Wilson R Hurtado, Johanna Juen, Leandro Peres, Carlos A eng Netherlands 2021/06/01 Sci Total Environ. 2021 Oct 1; 789:147946. doi: 10.1016/j.scitotenv.2021.147946. Epub 2021 May 23"

 
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