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climate change 
climatology 
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trees 
tree growth 
plant growth 
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vegetation 
sediment 
fossils 
treeline 

2 Dossier(s) trouvé(s) pour le chercheur principal "MacDonald, Glen" (les projets pluriannuels sont regroupés):
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Post-glacial treeline change in the Campbell-Dolomite Uplands of the Inuvik area
chercheur principal: MacDonald, Glen M
Année(s) de permis: 1993
Résumé: As part of an on-going study, this research will involve collecting cores from trees located in the Campbell-Dolomite Uplands (near Campbell Lake). This data will be added to data collected in other locations (past studies) in order to determine how past climate has influenced the growth of trees (as indicated by tree rings within the tree trunk). The research is helpful in trying to understand ...


Postglacial Treeline Change in the Mackenzie-Selwyn Mountains
chercheur principal: MacDonald, Glen M
Année(s) de permis: 1992 1990
Résumé: Dr. Glen MacDonald and his team will collect lake sediment core samples from 3 or 4 small lakes in the Mackenzie Mountains, adjacent to the Canol Road for the purpose of fossil pollen and macrofossil analysis. The area will be revisited in July to conduct surveys of vegetation at and around the treeline....


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