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biologypolar bear
seals
animal behaviour
reproduction
sea ice
species distribution
polynyas
shipping route
marine mammals
bears
wildlife population
3 Dossier(s) trouvé(s) pour le chercheur principal "Stirling, Ian" (les projets pluriannuels sont regroupés):
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Behavioural and population biology of polar bears and seals
chercheur principal: Stirling, Ian
Année(s) de permis: 1990 1988 1987
Résumé: To capture, eartag, and dye-mark polar bears using immobilizing darts and helicopters; collect reproductive organs of seals and polar bears from Inuk hunters throughout the NWT in conjunction with NWT Wildlife Service, tape record underwater vocalizations of marine mammals....
Année(s) de permis: 1990 1988 1987
Résumé: To capture, eartag, and dye-mark polar bears using immobilizing darts and helicopters; collect reproductive organs of seals and polar bears from Inuk hunters throughout the NWT in conjunction with NWT Wildlife Service, tape record underwater vocalizations of marine mammals....
Licence #5019
chercheur principal: Stirling, Ian
Année(s) de permis: 1985
Résumé: Use sub-ice recording to study distribution of overwintering populations of seals in relation to plynyas, sea ice conditions, patterns of freeze-up, distribution of ringed seal pupping areas, distribution of polar bears and proposed winter shipping lanes....
Année(s) de permis: 1985
Résumé: Use sub-ice recording to study distribution of overwintering populations of seals in relation to plynyas, sea ice conditions, patterns of freeze-up, distribution of ringed seal pupping areas, distribution of polar bears and proposed winter shipping lanes....
Licence #2422
chercheur principal: Stirling, Ian
Année(s) de permis: 1979
Résumé: (1) To study how the polar bear relates to its environment and what effect the environment has on its population growth. (2) To conduct behavioural studies of polar bear. (3) To conduct aerial surveys of seals in order to provide information for polar bear studies....
Année(s) de permis: 1979
Résumé: (1) To study how the polar bear relates to its environment and what effect the environment has on its population growth. (2) To conduct behavioural studies of polar bear. (3) To conduct aerial surveys of seals in order to provide information for polar bear studies....
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