Anthropogenic stressors influence small mammal communities in tropical East African savanna at multiple spatial scales

Andrea Byrom, Ally Nkwabi, Kristine Metzger, Simon Mduma, Guy Forrester, Wendy RUSCOE, Denne Reed, John Bukombe, John Mchetto, Anthony Sinclair

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

Context. Protection of natural ecosystems undoubtedly safeguards ecological communities, with positive benefits for ecosystem processes and function. However, ecosystems are under threat from anthropogenic stressors that reduce the resilience both of component species and the system as a whole. Aims. To determine how anthropogenic stressors (land use and climate change) could impact the diversity and resilience of a small mammal community in the greater Serengeti ecosystem, an East African savanna comprising Serengeti National Park (SNP) and adjacent agro-ecosystems, at local (SNP) and Africa-wide geographic scales. Methods. We recorded small mammal species in 10 habitats in the greater Serengeti ecosystem, including the agroecosystem, over 48 years (1962–2010). We calculated richness and diversity for each habitat type, and used an index of similarity to quantify differences in the community among habitats. Species accumulation curves were also generated for each habitat type. Key results. We recorded 40 species of small mammals in the greater Serengeti ecosystem. At the local scale, restricted habitat types in SNP (each
Original languageEnglish
Pages (from-to)119-131
Number of pages13
JournalWildlife Research
Volume42
Issue number2
DOIs
Publication statusPublished - 2015

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