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Warmer climates boo...
Warmer climates boost cyanobacterial dominance in shallow lakes
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Kosten, Sarian (author)
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Huszar, Vera L. M. (author)
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Becares, Eloy (author)
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Costa, Luciana S. (author)
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van Donk, Ellen (author)
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- Hansson, Lars-Anders (author)
- Lund University,Lunds universitet,Enhet akvatisk ekologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Division aquatic ecology,Department of Biology,Faculty of Science
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Jeppesenk, Erik (author)
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Kruk, Carla (author)
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Lacerot, Gissell (author)
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Mazzeo, Nestor (author)
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De Meester, Luc (author)
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Moss, Brian (author)
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Lurling, Miquel (author)
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Noges, Tiina (author)
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Romo, Susana (author)
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Scheffer, Marten (author)
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(creator_code:org_t)
- 2011-07-25
- 2012
- English.
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In: Global Change Biology. - : Wiley. - 1354-1013. ; 18:1, s. 118-126
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http://dx.doi.org/10...
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Abstract
Subject headings
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- Dominance by cyanobacteria hampers human use of lakes and reservoirs worldwide. Previous studies indicate that excessive nutrient loading and warmer conditions promote dominance by cyanobacteria, but evidence from global scale field data has so far been scarce. Our analysis, based on a study of 143 lakes along a latitudinal transect ranging from subarctic Europe to southern South America, shows that although warmer climates do not result in higher overall phytoplankton biomass, the percentage of the total phytoplankton biovolume attributable to cyanobacteria increases steeply with temperature. Our results also reveal that the percent cyanobacteria is greater in lakes with high rates of light absorption. This points to a positive feedback because restriction of light availability is often a consequence of high phytoplankton biovolume, which in turn may be driven by nutrient loading. Our results indicate a synergistic effect of nutrients and climate. The implications are that in a future warmer climate, nutrient concentrations may have to be reduced substantially from present values in many lakes if cyanobacterial dominance is to be controlled.
Subject headings
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Keyword
- climate change
- cyanobacteria
- Europe
- light
- nutrients
- phytoplankton
- shade
- South America
- temperature
- trophic state
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Kosten, Sarian
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Huszar, Vera L. ...
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Becares, Eloy
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Costa, Luciana S ...
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van Donk, Ellen
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Hansson, Lars-An ...
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show more...
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Jeppesenk, Erik
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Kruk, Carla
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Lacerot, Gissell
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Mazzeo, Nestor
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De Meester, Luc
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Moss, Brian
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Lurling, Miquel
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Noges, Tiina
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Romo, Susana
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Scheffer, Marten
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Ecology
- Articles in the publication
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Global Change Bi ...
- By the university
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Lund University