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Shrub Line Advance in Alpine Tundra of the Kluane Region: Mechanisms of Expansion and Ecosystem Impacts

Dates

Year
2007

Citation

Myers-Smith, Isla, 2007, Shrub Line Advance in Alpine Tundra of the Kluane Region: Mechanisms of Expansion and Ecosystem Impacts: Arctic, v. 60, no. 4, p. 447-451.

Summary

In the last 50 years, repeat aerial photography has documented rapid shrub expansion in Arctic Alaska ([Sturm] et al., 2001a, Tape et al., 2006) and the northern Yukon and Northwest Territories (T. Lantz, University of British Columbia, pers. comm. 2007). Paleoecological evidence suggests that tall shrubs last invaded tundra ecosystems in Alaska and northwestern Canada during the warm postglacial period, between 7000 and 12 000 years ago (Ritchie, 1984). Growing-season temperatures are again warming in Alaska and western Canada (ACIA, 2004; Chapin et al., 2005), and satellite imagery shows a concurrent greening of the Arctic tundra (Jia et al., 2003; Stow et al., 2004). The correlation between warming and greening has been used to [...]

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  • LC MAP - Landscape Conservation Management and Analysis Portal
  • Northwest Boreal Landscape Conservation Cooperative

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Type Scheme Key
ISSN http://sciencebase.gov/vocab/identifierScheme 00040843

Citation Extension

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