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Herpetofaunal species richness responses to forest landscape structure in Arkansas

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dc.contributor.author Loehle, Craig en_US
dc.contributor.author Wigley, T. Bently en_US
dc.contributor.author Shipman, Paul en_US
dc.contributor.author Fox, Stanley en_US
dc.contributor.author Rutzmoser, Scott en_US
dc.contributor.author Thill, Ronald en_US
dc.contributor.author Melchiors, M. Anthony en_US
dc.date.accessioned 2006-08-28T20:02:30Z en_US
dc.date.available 2006-08-28T20:02:30Z en_US
dc.date.issued 2005-05-02 en_US
dc.identifier.citation Forest Ecology and Management 209N3 (2005) 293-308 en_US
dc.identifier.issn 0378-1127 en_US
dc.identifier.uri http://hdl.handle.net/1850/2524 en_US
dc.description.abstract Species accumulation curves were used to study relationships between herpetofaunal richness and habitat characteristics on four watersheds in Arkansas that differed markedly with respect to management intensity. Selected habitat characteristics were estimated for stands containing the sample points and within buffers with radii of 250, 500 m, and 1 km surrounding the sample points. Richness of all three herpetofaunal groups (amphibians, reptiles, and all herpetofauna) was greater in hardwood forests than in pine or mixed pine–hardwood. For all three groups, the youngest forest age class had the most species. For amphibians and total herpetofauna, richness declined as stand ages increased. Reptiles had the highest richness at sample points with the lowest class of stand basal area (BA), whereas amphibians were richest at points having the highest BA. In contrast to expectations, there was no effect of distance from water on richness of any taxa; however, we may have had incomplete data on the spatial distribution of small ponds outside the sample plots because they were not recorded in the GIS data. Results for distance to roads were ambiguous, but with more separation of compared curves as more plots were sampled, a positive influence of road proximity was suggested. There was a positive effect of buffer age diversity at the 250 m scale for all three herpetofaunal groups, but less so at scales >250 m except for amphibians, which also showed a positive effect at the 1 km scale. The two most intensively managed watersheds had higher species richness than the two less intensively managed watersheds for reptiles, amphibians, and both groups combined. In this study landscape, where urban and agricultural influences were minimal, we did not observe negative impacts of forest management and associated activities, and local habitat heterogeneity created by silviculture often had a positive effect on herpetofaunal species richness. en_US
dc.description.sponsorship The project was funded by a grant from the National Commission on Science for Sustainable Forestry. We thank the USDA Forest Service, Weyerhaeuser Company, and the National Council for Air and Stream Improvement for providing funding and logistical support during earlier phases of the study. en_US
dc.format.extent 37365 bytes en_US
dc.format.mimetype application/pdf en_US
dc.language.iso en_US en_US
dc.publisher Elsevier: Forest Ecology and Management en_US
dc.subject Habitat en_US
dc.subject Herpetofauna en_US
dc.subject Species richness en_US
dc.title Herpetofaunal species richness responses to forest landscape structure in Arkansas en_US
dc.type Article en_US
dc.identifier.url http://dx.doi.org/10.1016/j.foreco.2005.02.007

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