3 dossier(s) trouvé(s) portant l’étiquette "lemming" (les projets pluriannuels sont regroupés):
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Regional synchrony of lemming populations in the northern Yukon and Tuktoyaktuk region
chercheur principal: Krebs, Charles
Année(s) de permis: 1993 1992 1991
Résumé: The researchers will examine the cycles in lemming abundance (i.e., increases and decreases in the lemming population) for the western arctic region. Ongoing research suggests that lemmings in the Pearce Point area do not appear to reach very high numbers as has been noted in the eastern arctic and Scandinavia. Licence issued for use of Inuvik Research Centre....


Licence #2477
chercheur principal: Lewis, M.C.
Année(s) de permis: 1979
Résumé: 1. general vegetation surveys. 2. plant and growth reproduction. 3. diet and food preferences of lemmings. 4. effect of lemming grazing on plant growth and reproduction. 5. mineralnutrition of lichens. 6. atmospheric sampling....


Licence #2322
chercheur principal: Burns, Gordon R.
Année(s) de permis: 1978
Résumé: Lemming studies: (1) To monitor population density. (2) To record the length of each population's breeding season. (3) To record the characteristics of the reproductive system related to population growth....


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