3 dossier(s) trouvé(s) portant l’étiquette "lemming" (les projets pluriannuels sont regroupés): Vous ne trouvez pas les résultats souhaités? Essayez la recherche avancée..
chercheur principal:Krebs, Charles Année(s) de permis:
1993
19921991 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....
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....
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....