FY 1991 Annual Report (NRPP/ARO Continued Study: Demography of Noatak Grizzly Bears in Relation to Human Exploitation and Mining Development)
Ayres LA. 1992. FY 1991 Annual Report (NRPP/ARO Continued Study: Demography of Noatak Grizzly Bears in Relation to Human Exploitation and Mining Development). Anchorage, Alaska
The original study began in 1986 and was designed to evaluate effects of human harvests by comparing bear densities with known reported harvests and provide baseline data on population parameters prior to large scale development of the Red Dog Mine. Results of this phase of the study is presented in a Federal Aid in Wildlife Restoration Research Final Report, Demography of Noatak grizzly bears in relation to human exploitation and mining development. Following the census a selection of radio collared females were chosen for continued monitoring. The objectives of these monitoring efforts were to determine reproductive and mortality rates of bears within a selected area in and adjacent to the Noatak National Preserve, identify short term changes in behavior and habitat use of bears as a result of development and operation of the Red Dog Mine. Additional objectives for 1990-91 were to improve documentation of den emergence dates for radio-collared bears and establish a monitoring program for brown bears in the vicinity of Red Dog Mine that could be maintained by capture work on a 2-3 yr recollaring schedule and a minimum of relocations.
- Type
- Unpublished Report
- Authors
- Ayres, Lee
- Date of Issue
- 1992
- Units
- CAKR , NOAT
- Keywords
- Alaska, Brown Bear, Demography, grizzly, Mine, Mining, Red Dog, Ursus arctos
- Subjects
- Ecological Framework: Biological Integrity | Focal Species or Communities | Mammals