摘要: at river mile 19.5 during July and early August each year to estimate numbers of The sonar countsof passage have not been verified with other escapement estimation methodologies. Any negativebias in the escapement program means that current estimates of the return per年份: 2005 ...
An assessment of river otter recovery in previously-oiled areas of coastal Alaska via non-invasive genetic sampling We determined whether reproduction has recovered in otter populations inhabiting previously-oiled areas of PWS and Kenai Fjords National Park, using genetic ... KE Ott - Dissertations &...