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Effects Of Roads On Behavior And Survival Of Black Bears In Coastal North Carolina, David M. Brandenburg
Effects Of Roads On Behavior And Survival Of Black Bears In Coastal North Carolina, David M. Brandenburg
Masters Theses
I studied the effects of roads on the behavior and survival of black bears (Ursus americanus) at Marine Corps Base Camp Lejeune in Coastal North Carolina from May 1990 to December 1992. I used mark-recapture methods, radiotelemetry, and a Geographic Information System (GIS) for the study.
I estimated there were 16 bears on the study area in 1990. By 1992, the population likely was reduced to ≤6 bears (3.3 bears/100 km2), primarily from vehicle-kills. Since 1988, vehicle-kills accounted for 20 of 28 (71 %) of the total known mortality. The annual female survival rate was 71 …