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    Author(s): Janet S. Prevéy; Christian Rixen; Nadja Rüger; Toke T. Høye; Anne D. Bjorkman; Isla H. Myers-Smith; Sarah C. Elmendorf; Isabel W. Ashton; Nicoletta Cannone; Chelsea L. Chisholm; Karin Clark; Elisabeth J. Cooper; Bo Elberling; Anna Maria Fosaa; Greg H. R. Henry; Robert D. Hollister; Ingibjörg Svala Jónsdóttir; Kari Klanderud; Christopher W. Kopp; Esther Lévesque; Marguerite Mauritz; Ulf Molau; Susan M. Natali; Steven F. Oberbauer; Zoe A. Panchen; Eric Post; Sabine B. Rumpf; Niels Martin Schmidt; Edward Schuur; Philipp R. Semenchuk; Jane G. Smith; Katharine N. Suding; Ørjan Totland; Tiffany Troxler; Susanna Venn; Carl-Henrik Wahren; Jeffrey M. Welker; Sonja Wipf
    Date: 2019
    Source: Nature Ecology & Evolution. 3(1): 45-52.
    Publication Series: Scientific Journal (JRNL)
    Station: Pacific Northwest Research Station
    PDF: Download Publication  (1.0 MB)

    Description

    Advancing phenology is one of the most visible effects of climate change on plant communities, and has been especially pronounced in temperature-limited tundra ecosystems. However, phenological responses have been shown to differ greatly between species, with some species shifting phenology more than others. We analysed a database of 42,689 tundra plant phenological observations to show that warmer temperatures are leading to a contraction of community-level flowering seasons in tundra ecosystems due to a greater advancement in the flowering times of late-flowering species than early-flowering species. Shorter flowering seasons with a changing climate have the potential to alter trophic interactions in tundra ecosystems. Interestingly, these findings differ from those of warmer ecosystems, where early-flowering species have been found to be more sensitive to temperature change, suggesting that community-level phenological responses to warming can vary greatly between biomes.

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    Citation

    Prevéy, Janet S.; Rixen, Christian; Rüger, Nadja; Høye, Toke T.; Bjorkman, Anne D.; Myers-Smith, Isla H.; Elmendorf, Sarah C.; Ashton, Isabel W.; Cannone, Nicoletta; Chisholm, Chelsea L.; Clark, Karin; Cooper, Elisabeth J.; Elberling, Bo; Fosaa, Anna Maria; Henry, Greg H. R.; Hollister, Robert D.; Jónsdóttir, Ingibjörg Svala; Klanderud, Kari; Kopp, Christopher W.; Lévesque, Esther; Mauritz, Marguerite; Molau, Ulf; Natali, Susan M.; Oberbauer, Steven. F.; Panchen, Zoe A.; Post, Eric; Rumpf, Sabine B.; Schmidt, Niels Martin; Schuur, Edward; Semenchuk, Philipp R.; Smith, Jane G.; Suding, Katharine N.; Totland, Ørjan; Troxler, Tiffany; Venn, Susanna; Wahren, Carl-Henrik; Welker, Jeffrey M.; Wipf, Sonja. 2019. Warming shortens flowering seasons of tundra plant communities. Nature Ecology & Evolution. 3(1): 45-52. https://doi.org/10.1038/s41559-018-0745-6.

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    Keywords

    Arctic, alpine, ITEX, climate change, open-top chambers, phenology, tundra.

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https://www.fs.usda.gov/treesearch/pubs/57716