Comparative woodland caribou population surveys in Slate Islands Provincial Park, Ontario
作者： Natasha L. Carr , Arthur R. Rodgers , Steven R. Kingston , Peter N. Hettinga , Laura M. Thompson
DOI: 10.7557/2.32.2.2270
关键词: Population size 、 Woodland caribou 、 Rangifer tarandus caribou 、 Ecology 、 Transect 、 Population 、 Survey methodology 、 Mark and recapture 、 Geography 、 Fishery 、 Threatened species
摘要: We evaluated three methods of estimating population size woodland caribou (boreal ecotype) on the Slate Islands in northern Ontario. Located north shore Lake Superior, provide a protected and closed with very limited predator influence that is ideal for comparison survey methods. Our objective was to determine costs benefits estimation techniques: (1) forward looking infrared (FLIR) technology count number regular-spaced transects flown by fixed-wing aircraft; (2) observers seen or heard while walking random spring; and, (3) mark-recapture sampling pellets using DNA analysis. FLIR genetics 3-window approach gave much tighter confidence intervals but similar estimates were found from all techniques based their overlapping intervals. There are various each technique discussed further. Understanding different necessary develop cost-effective programs inventorying monitoring this threatened species not only other populations as well.
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