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dc.contributor.authorShults, Brad
dc.date.accessioned2015-02-11T01:25:05Z
dc.date.available2015-02-11T01:25:05Z
dc.date.issued2001-12
dc.identifier.urihttp://hdl.handle.net/11122/4935
dc.descriptionThesis (M.S.) University of Alaska Fairbanks, 2001en_US
dc.description.abstractI studied marten (Martes americana) abundance and ecology in the Yukon-Charley Rivers National Preserve during 1991-1993. Using a multiple sample, mark-recapture estimator, I estimated marten densities to be 0.69, 0.41, and 0.45 martens/km² during each August for 1991-1993, respectively. Density estimates were derived with the boundary-strip method to address the edge effect inherent in live-trapping studies. During the study, marten density declined 43% between 1991 and 1992 and remained low during 1993. I hypothesize that a decline in primary prey (i.e., microtine rodents) and increased environmental stress (i.e., cold temperatures and snow cover) contributed significantly to the decline in marten abundance. Using carcassess provided by trappers, I documented that female martens had lower ovulation rates and overall fecundity during winter 1991-1992, and as a result of low recruitment during summer 1992, the number of martens harvested by trappers decreased 85% during the 1992-93 trapping season.en_US
dc.language.isoen_USen_US
dc.titleAbundance and ecology of martens (Martes americana) in Interior Alaskaen_US
dc.typeThesisen_US
dc.type.degreemsen_US
dc.identifier.departmentDepartment of Biology and Wildlifeen_US
refterms.dateFOA2020-03-05T09:51:51Z


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