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Refining the role o...
Refining the role of phenology in regulating gross ecosystem productivity across European peatlands
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- Koebsch, Franziska (författare)
- Sveriges lantbruksuniversitet,Swedish University of Agricultural Sciences, Umeå,University of Rostock,Institutionen för skogens ekologi och skötsel,Department of Forest Ecology and Management
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- Sonnentag, Oliver (författare)
- University Of Quebec In Montreal
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- Järveoja, Järvi (författare)
- Sveriges lantbruksuniversitet,Swedish University of Agricultural Sciences, Umeå,Institutionen för skogens ekologi och skötsel,Department of Forest Ecology and Management
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- Peltoniemi, Mikko (författare)
- Natural Resources Institute Finland (Luke)
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- Alekseychik, Pavel (författare)
- Natural Resources Institute Finland (Luke),University of Helsinki
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- Aurela, Mika (författare)
- Finnish Meteorological Institute
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- Arslan, Ali Nadir (författare)
- Finnish Meteorological Institute
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- Dinsmore, Kerry (författare)
- UK Centre for Ecology & Hydrology, Edinburgh
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- Gianelle, Damiano (författare)
- Edmund Mach Foundation
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- Helfter, Carole (författare)
- UK Centre for Ecology & Hydrology, Edinburgh
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- Jackowicz-Korczynski, Marcin (författare)
- Lund University,Lunds universitet,Institutionen för naturgeografi och ekosystemvetenskap,Naturvetenskapliga fakulteten,Dept of Physical Geography and Ecosystem Science,Faculty of Science,Aarhus University
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- Korrensalo, Aino (författare)
- University of Eastern Finland
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- Leith, Fraser (författare)
- UK Centre for Ecology & Hydrology, Edinburgh
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- Linkosalmi, Maiju (författare)
- Finnish Meteorological Institute
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- Lohila, Annalea (författare)
- Finnish Meteorological Institute,University of Helsinki
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- Lund, Magnus (författare)
- Aarhus University
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- Maddison, Martin (författare)
- University of Tartu,Aarhus University,Edmund Mach Foundation,University College Cork
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- Mammarella, Ivan (författare)
- Natural Resources Institute Finland (Luke)
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- Mander, Ülo (författare)
- University of Tartu
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- Minkkinen, Kari (författare)
- University of Helsinki
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- Pickard, Amy (författare)
- UK Centre for Ecology & Hydrology, Edinburgh
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- Pullens, Johannes W.M. (författare)
- Aarhus University,Edmund Mach Foundation,University College Cork
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- Tuittila, Eeva Stiina (författare)
- University of Eastern Finland
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- Nilsson, Mats (författare)
- Sveriges lantbruksuniversitet,Swedish University of Agricultural Sciences, Umeå,Institutionen för skogens ekologi och skötsel,Department of Forest Ecology and Management
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- Peichl, Matthias (författare)
- Sveriges lantbruksuniversitet,Swedish University of Agricultural Sciences, Umeå,Institutionen för skogens ekologi och skötsel,Department of Forest Ecology and Management
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(creator_code:org_t)
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- 2019-12-03
- 2020
- Engelska 12 s.
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Ingår i: Global Change Biology. - : Wiley. - 1354-1013 .- 1365-2486. ; 26:2, s. 876-887
- Relaterad länk:
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http://dx.doi.org/10...
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http://nora.nerc.ac....
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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https://res.slu.se/i...
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Abstract
Ämnesord
Stäng
- The role of plant phenology as a regulator for gross ecosystem productivity (GEP) in peatlands is empirically not well constrained. This is because proxies to track vegetation development with daily coverage at the ecosystem scale have only recently become available and the lack of such data has hampered the disentangling of biotic and abiotic effects. This study aimed at unraveling the mechanisms that regulate the seasonal variation in GEP across a network of eight European peatlands. Therefore, we described phenology with canopy greenness derived from digital repeat photography and disentangled the effects of radiation, temperature and phenology on GEP with commonality analysis and structural equation modeling. The resulting relational network could not only delineate direct effects but also accounted for possible effect combinations such as interdependencies (mediation) and interactions (moderation). We found that peatland GEP was controlled by the same mechanisms across all sites: phenology constituted a key predictor for the seasonal variation in GEP and further acted as a distinct mediator for temperature and radiation effects on GEP. In particular, the effect of air temperature on GEP was fully mediated through phenology, implying that direct temperature effects representing the thermoregulation of photosynthesis were negligible. The tight coupling between temperature, phenology and GEP applied especially to high latitude and high altitude peatlands and during phenological transition phases. Our study highlights the importance of phenological effects when evaluating the future response of peatland GEP to climate change. Climate change will affect peatland GEP especially through changing temperature patterns during plant phenologically sensitive phases in high latitude and high altitude regions.
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
- canopy greenness
- commonality analysis
- mediation
- moderation
- peatland C cycle
- photosynthesis
- structural equation modeling
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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- Av författaren/redakt...
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Koebsch, Franzis ...
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Sonnentag, Olive ...
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Järveoja, Järvi
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Peltoniemi, Mikk ...
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Alekseychik, Pav ...
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Aurela, Mika
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visa fler...
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Arslan, Ali Nadi ...
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Dinsmore, Kerry
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Gianelle, Damian ...
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Helfter, Carole
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Jackowicz-Korczy ...
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Korrensalo, Aino
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Leith, Fraser
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Linkosalmi, Maij ...
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Lohila, Annalea
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Lund, Magnus
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Maddison, Martin
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Mammarella, Ivan
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Mander, Ülo
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Minkkinen, Kari
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Pickard, Amy
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Pullens, Johanne ...
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Tuittila, Eeva S ...
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Nilsson, Mats
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Peichl, Matthias
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