Montane rock outcrops are a sensitive habitat type throughout the Appalachian Mountains. These areas provide habitat for a variety of endemic or rare fauna and flora species assemblages. Our objective was to conduct a status survey of focal mammal species considered rare in the Appalachian region, including Allegheny woodrat (Neotoma magister), eastern spotted skunk (Spilogale putorius), least weasel (Mustela nivalis), long-tailed weasel (Mustela frenata), and fisher (Martes pennanti) at rock outcrops in Shenandoah National Park, Virginia. From 7 May to 27 September 2015, we conducted camera surveys at 48 rock outcrop sites in the Park. Over 1,985 trap nights (TN), we obtained 2,572 images and detected 16 mammalian species. We quantified capture success, related success to a set of predefined landscape variables and determined co-occurrence patterns of various species. Allegheny woodrats had the highest capture success (10.7%; 212/1,985 TN); however, black bears (Ursus americanus) and raccoons (Procyon lotor) were both detected at greater than 90% of sites. Allegheny woodrats were captured more frequently at outcrops that were farther from rights-of-way, roads, and development. The best predictor of capture success for eastern spotted skunks was distance from rights-of-way. We report the greatest capture success of long-tailed weasels using game cameras as compared to previous studies. Domestic dogs (Canis lupus familiaris) had a negative impact on co-occurrence of all species at sites where they were detected. The presence of several uncommon species in this habitat type, in addition to negative effects of dogs, warrants the need for continued monitoring and habitat protection.
You have requested a machine translation of selected content from our databases. This functionality is provided solely for your convenience and is in no way intended to replace human translation. Neither BioOne nor the owners and publishers of the content make, and they explicitly disclaim, any express or implied representations or warranties of any kind, including, without limitation, representations and warranties as to the functionality of the translation feature or the accuracy or completeness of the translations.
Translations are not retained in our system. Your use of this feature and the translations is subject to all use restrictions contained in the Terms and Conditions of Use of the BioOne website.
Vol. 37 • No. 4