Trait-dependent response of dung beetle populations to tropical forest conversion at local and regional scales

Nichols, Elizabeth and Uriarte, Maria and Bunker, Daniel E. and Favila, Mario E. and Slade, Eleanor M. and Vulinec, Kevina and Larsen, Trond and Vaz-de-Mello, Fernando Z. and Louzada, Julio and Naeem, Shahid and Spector, Sacha H. (2013) Trait-dependent response of dung beetle populations to tropical forest conversion at local and regional scales. Ecology, 94 (1). pp. 180-189. ISSN 0012-9658

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Abstract

Comparative analyses that link information on species' traits, environmental change, and organism response have rarely identified unambiguous trait correlates of vulnerability. We tested if species' traits could predict local-scale changes in dung beetle population response to three levels of forest conversion intensity within and across two biogeographic regions (the Neotropics and Afro-Eurasian tropics). We combined biodiversity surveys, a global molecular phylogeny, and information on three species' traits hypothesized to influence vulnerability to forest conversion to examine (1) the consistency of beetle population response across regions, (2) if species' traits could predict this response, and (3) the cross-regional consistency of trait–response relationships. Most beetle populations declined following any degree of forest conversion; these declines were strongest for Neotropical species. The relationship between traits and population trend was greatly influenced by local and biogeographic context. We discuss the ability of species' traits to explain population trends and suggest several ways to strengthen trait–response models.

Item Type:
Journal Article
Journal or Publication Title:
Ecology
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/1100/1105
Subjects:
ID Code:
69209
Deposited By:
Deposited On:
14 Apr 2014 10:55
Refereed?:
Yes
Published?:
Published
Last Modified:
13 May 2020 02:31