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ABSTRACT. Summer climatic moisture balances (precipitation--potential evapotranspiration) for topographic slopes favored by present-day xerophytic boreal grasslands (SSW aspects with 61%-65% gradients) in southwest Yukon were compared to their unglaciated late-Wisconsinan [...]

ABSTRACT. A tree-ring analysis of 764 western white spruce (Picea albertiana) in the Takhini Valley of southwest Yukon was conducted to assess short- and long-term variation in growth and local [...]

ABSTRACT. High-latitude (61.9°-62.8° N) graminoid plant communities located near the northern limit of boreal forest occurrence in the Carmacks-Pelly Crossing area of Yukon were sampled and classified, and four sociations [...]

(Received 12 October 2011; accepted in revised form 14 May 2012) ABSTRACT. An ecological climatic zonation of Canada's Yukon Territory (1:1 000 000 scale) was developed from field observations, aerial [...]