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pollen 
biology 
soil 
seeds 
fossils 
ancient plants 
post-glacial history 
trees 
physical sciences 
tree core sampling 

3 dossier(s) trouvé(s) portant l’étiquette "treeline" (les projets pluriannuels sont regroupés):
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Treeline plant population response to postglacial climatic change in North Central Canada.
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...


Licence #2268
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....


Licence #2205
chercheur principal: Elliott, Deborah
Année(s) de permis: 1977
Résumé: Ph.D. program: to ascertain the stability of northern treeline....


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