WFRF:(Kazakis G.)
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- Burli, S. (author)
A common soil temperature threshold for the upper limit of alpine grasslands in European mountains
- Article/chapterEnglish2021
Publisher, publication year, extent ...
- 2021-03-04
- Springer Science and Business Media LLC,2021
Numbers
- LIBRIS-ID:oai:gup.ub.gu.se/306431
- https://gup.ub.gu.se/publication/306431URI
- https://doi.org/10.1007/s00035-021-00250-1DOI
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- Language:English
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- SwePubSwePub
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Notes
- While climatic research about treeline has a long history, the climatic conditions corresponding to the upper limit of closed alpine grasslands remain poorly understood. Here, we propose a climatic definition for this limit, the 'grassline', in analogy to the treeline, which is based on the growing season length and the soil temperature. Eighty-seven mountain summits across ten European mountain ranges, covering three biomes (boreal, temperate, Mediterranean), were inventoried as part of the GLORIA project. Vascular plant cover was estimated visually in 326 plots of 1 x 1 m. Soil temperatures were measured in situ for 2-7 years, from which the length of the growing season and mean temperature were derived. The climatic conditions corresponding to 40% plant cover were defined as the thresholds for alpine grassland. Closed vegetation was present in locations with a mean growing season soil temperature warmer than 4.9 degrees C, or a minimal growing season length of 85 days, with the growing season defined as encompassing days with daily mean >= 1 degrees C. Hence, the upper limit of closed grasslands was associated with a mean soil temperature close to that previously observed at the treeline, and in accordance with physiological thresholds to growth in vascular plants. In contrast to trees, whose canopy temperature is coupled with air temperature, small-stature alpine plants benefit from the soil warmed by solar radiation and consequently, they can grow at higher elevations. Since substrate stability is necessary for grasslands to occur at their climatic limit, the grassline rarely appears as a distinct linear feature.
Subject headings and genre
- NATURVETENSKAP Biologi hsv//swe
- NATURAL SCIENCES Biological Sciences hsv//eng
- Alpine life zone
- GLORIA
- Growing season
- Plant–
- Climate
- interactions
- Soil temperature
- Vascular plants
- Plant Sciences
Added entries (persons, corporate bodies, meetings, titles ...)
- Theurillat, J. P. (author)
- Winkler, M. (author)
- Lamprecht, A. (author)
- Pauli, H. (author)
- Rixen, C. (author)
- Steinbauer, K. (author)
- Wipf, S. (author)
- Abdaladze, O. (author)
- Andrews, C. (author)
- Barancok, P. (author)
- Benito-Alonso, J. L. (author)
- Calzado, M. R. F. (author)
- Carranza, M. L. (author)
- Dick, J. (author)
- Erschbamer, B. (author)
- Ghosn, D. (author)
- Gigauri, K. (author)
- Kazakis, G. (author)
- Mallaun, M. (author)
- Michelsen, O. (author)
- Moiseev, D. (author)
- Moiseev, P. (author)
- Molau, Ulf,1951Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences(Swepub:gu)xmoulf (author)
- Mesa, J. M. (author)
- di Cella, U. M. (author)
- Nadeem, I. (author)
- Nagy, L. (author)
- Nicklas, L. (author)
- Palaj, A. (author)
- Pedersen, B. (author)
- Petey, M. (author)
- Puscas, M. (author)
- Rossi, G. (author)
- Stanisci, A. (author)
- Tomaselli, M. (author)
- Unterluggauer, P. (author)
- Ursu, T. M. (author)
- Villar, L. (author)
- Vittoz, P. (author)
- Göteborgs universitetInstitutionen för biologi och miljövetenskap (creator_code:org_t)
Related titles
- In:Alpine Botany: Springer Science and Business Media LLC131, s. 41-521664-22011664-221X
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- Steinbauer, K.
- Wipf, S.
- Abdaladze, O.
- Andrews, C.
- Barancok, P.
- Benito-Alonso, J ...
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- Carranza, M. L.
- Dick, J.
- Erschbamer, B.
- Ghosn, D.
- Gigauri, K.
- Kazakis, G.
- Mallaun, M.
- Michelsen, O.
- Moiseev, D.
- Moiseev, P.
- Molau, Ulf, 1951
- Mesa, J. M.
- di Cella, U. M.
- Nadeem, I.
- Nagy, L.
- Nicklas, L.
- Palaj, A.
- Pedersen, B.
- Petey, M.
- Puscas, M.
- Rossi, G.
- Stanisci, A.
- Tomaselli, M.
- Unterluggauer, P ...
- Ursu, T. M.
- Villar, L.
- Vittoz, P.
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