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Extent and determinants of biogeographic constraints on New World mammal diversity

Grant number: 19/11901-5
Support Opportunities:Scholarships abroad - Research Internship - Post-doctor
Effective date (Start): January 28, 2020
Effective date (End): January 27, 2021
Field of knowledge:Biological Sciences - Ecology - Applied Ecology
Principal Investigator:Katia Maria Paschoaletto Micchi de Barros Ferraz
Grantee:Juliano André Bogoni
Supervisor: Carlos Augusto da Silva Peres
Host Institution: Escola Superior de Agricultura Luiz de Queiroz (ESALQ). Universidade de São Paulo (USP). Piracicaba , SP, Brazil
Research place: University of East Anglia (UEA), England  
Associated to the scholarship:18/05970-1 - Macroecological Patterns for the Loss of Ecosystem Services in Anthropocene: Allying Phylogeny, Functional Attributes, and Diversity of Neotropical Mammals, BP.PD

Abstract

Throughout the history of ecology, milestone hypotheses have been posed to understand the latitudinal, altitudinal, area size and seasonal influences in the distribution of mammalian diversity. Mammals embody the acme of ecosystem functioning and communities assembling, and their populations are collapsing in the face of multiple threats. The central aim of this project is to understand both the isolated and combined effects from latitudinal, altitudinal and environmental gradient under the diversity levels in putative mammalian assemblages along a Pan-American scale, providing knowledge to conservation purposes. In doing so, I generate putative mammalian assemblages based on the International Union for Conservation of Nature (IUCN 2018) dataset for extant terrestrial mammalian species ranges, extracting 2000 random putative mammalian assemblages within the New World. Multiple functional species traits and mammalian phylogeny are being obtained from datapapers and specific literature. Habitat meta-types, and geoclimatic variables are being collated from specialized online databases. The data will be analyzed via taxonomic, functional and phylogenetic diversity indexes, followed by spatial interpolation. The Predicting the variations in all those diversity levels will be made via multiple regression models (or variation partitioning alternatively). The expected results enable us to understand how the combined and isolated effects of latitudinal patterns, elevation gradient, and environmental variation influence the various levels of diversity in mammalian assemblages from local to broad scales in the Americas. In addition, how life history strategies allow the success and persistence of certain populations in each environment. There is a direct perspective of ecology applied to understand and generating guidelines for biological conservation.Keywords: functional diversity, phylogenetic diversity, altitudinal gradient, latitudinal gradient, habitat conditioning, mammalian assemblages. (AU)

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