Community structure and diversity of tropical forest mammals: Data from a global camera trap network

Jorge A. Ahumada, Carlos E.F. Silva, Krisna Gajapersad, Chris Hallam, Johanna Hurtado, Emanuel Martin, Alex McWilliam, Badru Mugerwa, Tim O'Brien, Francesco Rovero, Douglas Sheil, Wilson R. Spironello, Nurul Winarni, Sandy J. Andelman

Research output: Contribution to journalArticleAcademicpeer-review

191 Citations (Scopus)


Terrestrial mammals are a key component of tropical forest communities as indicators of ecosystem health and providers of important ecosystem services. However, there is little quantitative information about how they change with local, regional and global threats. In this paper, the first standardized pantropical forest terrestrial mammal community study, we examine several aspects of terrestrial mammal species and community diversity (species richness, species diversity, evenness, dominance, functional diversity and community structure) at seven sites around the globe using a single standardized camera trapping methodology approach. The sites-located in Uganda, Tanzania, Indonesia, Lao PDR, Suriname, Brazil and Costa Rica-are surrounded by different landscape configurations, from continuous forests to highly fragmented forests. We obtained more than 51 000 images and detected 105 species of mammals with a total sampling effort of 12 687 camera trap days. We find thatmammal communities from highly fragmented sites have lower species richness, species diversity, functional diversity and higher dominance when compared with sites in partially fragmented and continuous forest. We emphasize the importance of standardized camera trapping approaches for obtaining baselines for monitoring forest mammal communities so as to adequately understand the effect of global, regional and local threats and appropriately inform conservation actions.

Original languageEnglish
Pages (from-to)2703-2711
Number of pages9
JournalPhilosophical Transactions of the Royal Society B: Biological Sciences
Issue number1578
Publication statusPublished - 27 Sep 2011
Externally publishedYes


  • Camera traps
  • Global network
  • Occupancy
  • Public data
  • Terrestrial mammals
  • Tropical forests

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