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Tundra in the rain :
Tundra in the rain : Differential vegetation responses to three years of experimentally doubled summer precipitation in Siberian shrub and Swedish bog tundra
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- Keuper, Frida (författare)
- Umeå University,Umeå universitet,Institutionen för ekologi, miljö och geovetenskap,Vrije Univ Amsterdam, Dept Ecol Sci, Fac Earth & Life Sci, Amsterdam, Netherlands,Vrije Universiteit Amsterdam
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- Parmentier, Frans-Jan (författare)
- Lund University,Lunds universitet,Institutionen för naturgeografi och ekosystemvetenskap,Naturvetenskapliga fakulteten,Dept of Physical Geography and Ecosystem Science,Faculty of Science,Lund Univ, Dept Phys Geog & Ecosyst Sci, Lund, Sweden
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- Blok, Daan (författare)
- Univ Copenhagen, Ctr Permafrost Dynam Greenland CENPERM, Copenhagen, Denmark,University of Copenhagen
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- van Bodegom, Peter M. (författare)
- Vrije Univ Amsterdam, Dept Ecol Sci, Fac Earth & Life Sci, Amsterdam, Netherlands,Vrije Universiteit Amsterdam
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- Dorrepaal, Ellen (författare)
- Umeå University,Umeå universitet,Institutionen för ekologi, miljö och geovetenskap,Vrije Univ Amsterdam, Dept Ecol Sci, Fac Earth & Life Sci, Amsterdam, Netherlands ; Arcum,Vrije Universiteit Amsterdam
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- van Hal, Jürgen R. (författare)
- Vrije Univ Amsterdam, Dept Ecol Sci, Fac Earth & Life Sci, Amsterdam, Netherlands,Vrije Universiteit Amsterdam
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- van Logtestijn, Richard S. P. (författare)
- Vrije Univ Amsterdam, Dept Ecol Sci, Fac Earth & Life Sci, Amsterdam, Netherlands,Vrije Universiteit Amsterdam
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- Aerts, Rien (författare)
- Vrije Univ Amsterdam, Dept Ecol Sci, Fac Earth & Life Sci, Amsterdam, Netherlands,Vrije Universiteit Amsterdam
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(creator_code:org_t)
- 2012-08-03
- 2012
- Engelska.
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Ingår i: Ambio. - : Springer Netherlands. - 0044-7447 .- 1654-7209. ; 41:Suppl. 3, s. 269-280
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Abstract
Ämnesord
Stäng
- Precipitation amounts and patterns at high latitude sites have been predicted to change as a result of global climatic changes. We addressed vegetation responses to three years of experimentally increased summer precipitation in two previously unaddressed tundra types: Betula nana-dominated shrub tundra (northeast Siberia) and a dry Sphagnum fuscum-dominated bog (northern Sweden). Positive responses to approximately doubled ambient precipitation (an increase of 200 mm year(-1)) were observed at the Siberian site, for B. nana (30 % larger length increments), Salix pulchra (leaf size and length increments) and Arctagrostis latifolia (leaf size and specific leaf area), but none were observed at the Swedish site. Total biomass production did not increase at either of the study sites. This study corroborates studies in other tundra vegetation types and shows that despite regional differences at the plant level, total tundra plant productivity is, at least at the short or medium term, largely irresponsive to experimentally increased summer precipitation.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Nyckelord
- Water addition
- Plant traits
- Irrigation
- Primary production
- Subarctic
- High latitude
- Water addition
- Plant traits
- Irrigation
- Primary production
- Subarctic
- High latitude
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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