The importance of defining focal assemblages when evaluating amphibian and reptile responses to land use

© 2015 Society for Conservation Biology.

Bibliographische Detailangaben
Veröffentlicht in:Conservation biology : the journal of the Society for Conservation Biology. - 1999. - 30(2016), 2 vom: 14. Apr., Seite 249-58
1. Verfasser: Thompson, Michelle E (VerfasserIn)
Weitere Verfasser: Nowakowski, A Justin, Donnelly, Maureen A
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Conservation biology : the journal of the Society for Conservation Biology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Review agricultura agriculture herpetofauna meta-analysis meta-análisis pastura pasture mehr... remplazo de especies riqueza de especies silvicultura silviculture species richness species turnover urbanización urbanization
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520 |a Habitat loss and degradation are primary threats to amphibians and reptiles, but the relative effects of common land uses on assemblages and the mechanisms that underlie faunal responses are poorly studied. We reviewed the effects of four prevalent types of habitat alteration (urbanization, agriculture, livestock grazing, and silviculture) on amphibian and reptile species richness and abundance by summarizing reported responses in the literature and by estimating effect sizes across studies for species richness in each land-use type. We then used a multinomial model to classify species as natural habitat specialists, generalists, and disturbed habitat specialists and examined variation in effect sizes for each land-use type according to habitat specialization categories. There were mixed conclusions from individual studies, some reporting negative, neutral, or positive effects of land use on species richness and total abundance. A large proportion of studies reported species-specific effects of individual species abundance. However, in our analysis of effect sizes, we found a general trend of negative effects of land use on species richness. We also demonstrate that habitat associations of common species and species turnover can explain variation in the effect of land use on herpetofauna. Our review highlights the pervasive negative effects of common land uses on amphibians and reptiles, the importance of identifying groups vulnerable to land-use change (e.g., forest-associated species) in conservation studies, and the potential influence of disturbance-associated species on whole assemblage analyses 
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650 4 |a meta-analysis 
650 4 |a meta-análisis 
650 4 |a pastura 
650 4 |a pasture 
650 4 |a remplazo de especies 
650 4 |a riqueza de especies 
650 4 |a silvicultura 
650 4 |a silviculture 
650 4 |a species richness 
650 4 |a species turnover 
650 4 |a urbanización 
650 4 |a urbanization 
700 1 |a Nowakowski, A Justin  |e verfasserin  |4 aut 
700 1 |a Donnelly, Maureen A  |e verfasserin  |4 aut 
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