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Data Extent

Data from: Data from camera surveys identifying co-occurrence and occupancy linkages between fishers (Pekania pennanti), rodent prey, mesocarnivores, and larger predators in mixed-conifer forests

These data provide additional information relevant to the frequency of fisher detections by camera traps, and single-season occupancy and local persistence of fishers in small patches of forest habitats detailed in "Landscape Fuel Reduction, Forest Fire, and Biophysical Linkages to Local Habitat Use and Local Persistence of Fishers (Pekania pennanti) in Sierra Nevada Mixed-conifer Forests", Sweitzer et al. 2016. The data provides insight on camera trap detections of 3 fisher predators (bobcat [Lynx rufus]). Coyote [Canis latrans], mountain lion [Puma concolor], 5 mesocarnivores in the same foraging guild as fishers (gray fox [Urocyon cinereoargenteus]) ringtail [Bassariscus astutus], marten [Martes americana], striped skunk [Mephitis mephitis] spotted skunk [Spilogale gracilis], and 5 Sciuridae rodents that fishers consume as prey (Douglas squirrel [Tamiasciurus douglasii]), gray squirrel [Sciurus griseus], northern flying squirrel [Glaucomys sabrinus], long-eared chipmunk [Neotamias quadrimaculatus], California ground squirrel [Spermophilus beecheyi]. These data are used to identify basic patterns of co-occurrence with fishers, and to evaluate the relative importance of presence of competing mesocarnivores, rodent prey, and predators for fisher occupancy of small, 1 km^2^ grid cells of forest habitat.

Release Date
Spatial / Geographical Coverage Area
POLYGON ((-119.90324020386 37.561724802703, -119.26054000854 37.531237663022, -118.83756637573 36.870557500309, -119.30448532104 36.874951867203))
Spatial / Geographical Coverage Location
Sierra National Forest, California, United States; Sierra Nevada
Data in Brief
Temporal Coverage
October 1, 2007 to October 1, 2014
Contact Name
Sweitzer, Richard Alan
Contact Email
Public Access Level
Program Code
005:037 - Department of Agriculture - Research and Education
Bureau Code
005:96 - Forest Service