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Widespread synchron...
Widespread synchrony in phosphorus concentrations in northern lakes linked to winter temperature and summer precipitation
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- Isles, Peter D. F. (författare)
- Vermont Department of Environmental Conservation, VT, Montpelier, United States
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- Creed, Irena F. (författare)
- Department of Physical and Environmental Sciences, University of Toronto, ON, Toronto, Canada
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- Hessen, Dag O. (författare)
- Department of Biosciences and Center for Biogeochemistry of the Anthropocene, University of Oslo, Oslo, Norway
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- Kortelainen, Pirkko (författare)
- Finnish Environment Institute, Helsinki, Finland
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- Paterson, Michael (författare)
- IISD-Experimental Lakes Area, Winnipeg, Canada
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- Pomati, Francesco (författare)
- Department of Aquatic Ecology, Swiss Federal Institute of Aquatic Sciences and Technology (Eawag), Dübendorf, Switzerland
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- Rusak, James A. (författare)
- Dorset Environmental Science Centre, Ontario Ministry of the Environment, Conservation and Parks, ON, Dorset, Canada
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- Vuorenmaa, Jussi (författare)
- Finnish Environment Institute, Helsinki, Finland
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- Bergström, Ann-Kristin, 1968- (författare)
- Umeå universitet,Institutionen för ekologi, miljö och geovetenskap
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(creator_code:org_t)
- 2023-03-03
- 2023
- Engelska.
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Ingår i: Limnology and Oceanography Letters. - : John Wiley & Sons. - 2378-2242. ; 8:4, s. 639-648
- Relaterad länk:
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https://doi.org/10.1...
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https://umu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- In recent years, unexplained declines in lake total phosphorus (TP) concentrations have been observed at northern latitudes (> 42°N latitude) where most of the world's lakes are found. We compiled data from 389 lakes in Fennoscandia and eastern North America to investigate the effects of climate on lake TP concentrations. Synchrony in year-to-year variability is an indicator of climatic influences on lake TP, because other major influences on nutrients (e.g., land use change) are not likely to affect all lakes in the same year. We identified significant synchrony in lake TP both within and among different geographic regions. Using a bootstrapped random forest analysis, we identified winter temperature as the most important factor controlling annual TP, followed by summer precipitation. In Fennoscandia, TP was negatively correlated with the winter East Atlantic Pattern, which is associated with regionally warmer winters. Our results suggest that, in the absence of other overriding factors, lake TP and productivity may decline with continued winter warming in northern lakes.
Ämnesord
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Oceanografi, hydrologi och vattenresurser (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Oceanography, Hydrology and Water Resources (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)
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- ref (ämneskategori)
- art (ämneskategori)
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