3 dossier(s) trouvé(s) portant l’étiquette "treeline" (les projets pluriannuels sont regroupés): Vous ne trouvez pas les résultats souhaités? Essayez la recherche avancée..
chercheur principal:MacDonald, Glen M Année(s) de permis:
1987
Résumé:
To use fossil pollen and plant macrofossils from small lakes to reconstruct the response of plant populations in the treeline zone to climatic change. Modern pollen surface samples from small lakes in the treeline zone will be collected to aoid in the interpretation of the fossil pollen samples. The study area will include the boreal forest, forest-tundra and tundra zones near Yellowknife (115 W...
chercheur principal:Elliott, Deborah Année(s) de permis:
1978
Résumé:
As part of a Ph.D. program to ascertain stability of the northern Canadian tree limit through collecting samples of seeds, pollen, surface soil and cuttings. Tree cores will also be taken....