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Impact of Habitat Alteration on Endemic Afromontane Chameleons: Evidence for Historical Population Declines Using Hierarchical Spatial Modelling

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dc.creator Shirk, Philip
dc.creator Linden, Daniel W.
dc.creator Patrick, David A.
dc.creator Howell, Kim
dc.creator Harper, Elizabeth B.
dc.creator Vonesh, James R.
dc.date 2016-07-18T17:59:21Z
dc.date 2016-07-18T17:59:21Z
dc.date 2014-09
dc.date.accessioned 2021-05-03T13:29:45Z
dc.date.available 2021-05-03T13:29:45Z
dc.identifier Shirk, P.L., Linden, D.W., Patrick, D.A., Howell, K.M., Harper, E.B. and Vonesh, J.R., 2014. Impact of habitat alteration on endemic Afromontane chameleons: evidence for historical population declines using hierarchical spatial modelling. Diversity and Distributions, 20(10), pp.1186-1199.
dc.identifier http://hdl.handle.net/20.500.11810/3251
dc.identifier 10.1111/ddi.12239
dc.identifier.uri http://hdl.handle.net/20.500.11810/3251
dc.description Aim We map estimated historical population declines resulting from species-specific models of sensitivity to habitat fragmentation for three forest-depen-dent chameleons.Location East Usambara Mountains, Eastern Arc Mountains, Tanzania.Methods We surveyed three chameleon species (Rhampholeon spinosus, Rham-pholeon temporalis and Trioceros deremensis) along 32.2 km of transects andused a hierarchical, distance-sampling model to estimate densities. The modelincluded habitat characteristics at the landscape (patch) and local (transect)scales while accounting for detectability. By analysing the model in a Bayesianframework, we were able to propagate error through the entire analysis andobtain exact solutions despite small sample sizes. We then used our estimatedrelationships between habitat and density to project chameleon population sizesacross current and historical land cover maps of the study area (230 km2),giving an estimate of the impact of anthropogenic habitat alteration on thesespecies.
dc.language en
dc.title Impact of Habitat Alteration on Endemic Afromontane Chameleons: Evidence for Historical Population Declines Using Hierarchical Spatial Modelling
dc.type Journal Article, Peer Reviewed


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