Skip to main content

Auriat, Denise

thumbnail
Aerial block surveys (blocks established in 1984) were conducted during 16 to 31 August 2003 to document the number and distribution of Dall’s sheep (Ovis dalli) in the Richardson Mountains, Northwest Territories (NWT) and Yukon Territory (YT), Canada. We counted and classified 757 sheep including 429 nursery sheep, 121 lambs, 177 rams (35 half curl, 41 three-quarter curl and 109 full curl) and 29 unclassified sheep. The annual rate of decline for the non-lamb portion of the population was 14% during 2001 to 2003; this population decline began during 1997 to 2001. There were 28.2 lambs per 100 nursery sheep indicating that productivity or lamb survival increased between 2001 and 2003. The numbers of rams...
ScienceBase brings together the best information it can find about USGS researchers and offices to show connections to publications, projects, and data. We are still working to improve this process and information is by no means complete. If you don't see everything you know is associated with you, a colleague, or your office, please be patient while we work to connect the dots. Feel free to contact sciencebase@usgs.gov.