NDLI: Dung beetle assemblages in forests and pastures of El Salvador: a functional comparison

Content Provider	Springer Nature Link
Author	Horgan, Finbarr G.
Copyright Year	2008
Abstract	This study examines the functional attributes of Neotropical dung beetles, and, based on the analysis, evaluates the role of dung beetles in pastures and tropical dry forest in El Salvador. Dung beetle diversity was lower in pastures than in forests. However, the total biomass of beetles at similarly-sized dung baits was frequently higher in pastures. Diversity loss followed structured patterns: (1) carrion and fruit feeding beetles were well represented (species number) in the forests but were largely absent from pastures; (2) large ball rollers and small fast tunnellers were present in forests but were absent from pastures; (3) large fast tunnellers and small slow tunnellers were poorly represented in pastures compared to forests but the few species that survived in pastures attained extremely high populations; and (4) each functional group in the species-poor pasture assemblages was divided almost equally into day and night active species. Substrate and habitat generalists that were present in both the forests and pastures were attracted to fruit and carrion in forested habitat but not in open pastures. In open habitats, flies and other insects may be the principal decomposers of decaying fruit and carrion.
Starting Page	2961
Ending Page	2978
Page Count	18
File Format	PDF
ISSN	09603115
Journal	Biodiversity and Conservation
Volume Number	17
Issue Number	12
e-ISSN	15729710
Language	English
Publisher	Springer Netherlands
Publisher Date	2008-05-24
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Carrion Decomposition Deforestation Diversity-function Functional groups Guilds Scarabaeidae Tropical pastures Tree Biology Plant Sciences Evolutionary Biology
Content Type	Text
Resource Type	Article
Subject	Ecology Ecology, Evolution, Behavior and Systematics Nature and Landscape Conservation

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