Title: Comparison of proposed survey procedures for detection of forest carnivores
Author: Foresman, Kerry R.; Pearson, Dean E.;
Source: Journal of Wildlife Management. 62(4): 1217-1226.
Publication Series: Scientific Journal (JRNL)
Description: American marten (Martes americana), fisher (M. pennanti), wolverine (Gulo gulo), and lynx (Lynx lynx) are forest carnivores believed threatened by disturbance of late-successional forests. To manage forested ecosystems for these species, effective methods for their detection must be available. Recently, the U.S. Forest Service proposed standardized survey procedures for the detection of forest carnivores; this report presents the first critical assessment of these protocols. We compared dual-sensor remote cameras and soot-coated open and covered track plates in the same study areas over an 8-month period. Of the 4 species targeted by these procedures, we detected 3 (American marten, fisher, wolverine). The remote camera method ranked highest with respect to ease of use, effectiveness, and accuracy of identifications. However, track plates performed well for 2 species and, under certain circumstances, may be the method of choice. We suggest improvements for each method and encourage that such standardized procedures be applied over wide regions.
Keywords: cameras, fisher, forest carnivores, marten, Martes americana, Martes pennanti, Montana, survey methods, track plates
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Foresman, Kerry R.; Pearson, Dean E. 1998. Comparison of proposed survey procedures for detection of forest carnivores. Journal of Wildlife Management. 62(4): 1217-1226.
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