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Agricultural and forest meteorology Show detailed view
Arctic, antarctic, and alpine research Show detailed view
Carbon & climate law review : CCLR Show detailed view
Language: | eng |
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Publisher: | [London, England] : Springer 2014- |
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2053-7565 |
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www.urn.fi/URN:NBN:fi:ula-201211141252
https://lauda.ulapland.fi/bitstrea...mate1558.pdf (University of Lapland - Lauda)
Arctic warming has been linked to observed increases in tundra shrub cover and growth in recent decades on the basis of significant relationships between deciduous shrub growth/biomass and temperature. These vegetation trends have been linked to Arctic sea ice decline and thus to the sea ice/albedo feedback known as Arctic amplification. However, the interactions between climate, sea ice and tundra vegetation remain poorly understood. Here we reveal a 50- year growth response over a >100,000 km2 area to a rise in summer temperature for alder (Alnus) and willow (Salix), the most abundant shrub genera respectively at and north of the continental treeline. We demonstrate that whereas plant productivity is related to sea ice in late spring, the growing season peak responds to persistent synoptic-scale air masses over West Siberia associated with Fennoscandian weather systems through the Rossby wave train. Substrate is important for biomass accumulation, yet a strong correlation between growth and temperature encompasses all observed soil types. Vegetation is especially responsive to temperature in early summer. These results have significant implications for modelling present and future Low Arctic vegetation responses to climate change, and emphasize the potential for structurally novel ecosystems to emerge fromwithin the tundra zone.
International journal of biometeorology Show detailed view
Language: | eng |
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Publisher: | Paris : OECD Publishing 2009. |
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Language: | eng |
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Publisher: | Philadelphia : American Climatological and Clinical Association |
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Transactions of the American Clinical and Climatological Association Show detailed view
Language: | eng |
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Publisher: | [Philadelphia] : American Clinical and Climatological Association |
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Transactions of the ... Annual Meeting of the American Climatological Association Show detailed view
Language: | eng |
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Publisher: | New York : D. Appleton and Company Philadelphia : J.B. Lippincott Company |
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