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Shrub expansion in tundra ecosystems: dynamics, impacts and research priorities

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Year
2011

Citation

Myers-Smith, Isla H., Forbes, Bruce C., Wilmking, Martin, Hallinger, Martin, Lantz, Trevor, Blok, Daan, Tape, Ken D., Macias-Fauria, Marc, Sass-Klaassen, Ute, Lévesque, Esther, Boudreau, Stéphane, Ropars, Pascale, Hermanutz, Luise, Trant, Andrew, Siegwart Collier, Laura, Weijers, Stef, Rozema, Jelte, Rayback, Shelly A., Schmidt, Niels Martin, Schaepman-Strub, Gabriela, Wipf, Sonja, Rixen, Christian, Ménard, Cécile B., Venn, Susanna, Goetz, Scott, Andreu-Hayles, Laia, Elmendorf, Sarah, Ravolainen, Virve, Welker, Jeffrey, Grogan, Paul, Epstein, Howard E., and Hik, David S., 2011, Shrub expansion in tundra ecosystems: dynamics, impacts and research priorities: Environmental Research Letters, v. 6, no. 4, 045509 p.

Summary

Recent research using repeat photography, long-term ecological monitoring and dendrochronology has documented shrub expansion in arctic, high-latitude and alpine tundra ecosystems. Here, we (1) synthesize these findings, (2) present a conceptual framework that identifies mechanisms and constraints on shrub increase, (3) explore causes, feedbacks and implications of the increased shrub cover in tundra ecosystems, and (4) address potential lines of investigation for future research. Satellite observations from around the circumpolar Arctic, showing increased productivity, measured as changes in ‘greenness’, have coincided with a general rise in high-latitude air temperatures and have been partly attributed to increases in shrub cover. [...]

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

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ISSN http://sciencebase.gov/vocab/identifierScheme 1748-9326

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