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Declining calcium c...
Declining calcium concentration drives shifts toward smaller and less nutritious zooplankton in northern lakes
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- Bergström, Ann-Kristin, 1968- (author)
- Umeå universitet,Institutionen för ekologi, miljö och geovetenskap
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- Creed, Irena F. (author)
- Department of Physical and Environmental Sciences, University of Toronto, ON, Toronto, Canada
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- Palstev, Aleksey (author)
- Umeå universitet,Institutionen för ekologi, miljö och geovetenskap
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- de Wit, Heleen A. (author)
- Centre of Biogeochemistry in the Anthropocene and Department of Bioscience, University of Oslo, Oslo, Norway; Norwegian Institute for Water Research, Oslo, Norway
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- Lau, Danny C P (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för vatten och miljö,Department of Aquatic Sciences and Assessment
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- Drakare, Stina (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för vatten och miljö,Department of Aquatic Sciences and Assessment
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- Vrede, Tobias (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för vatten och miljö,Department of Aquatic Sciences and Assessment
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- Isles, Peter D. F. (author)
- Watershed Management Division, Vermont Department of Environmental Conservation, VT, Montpelier, United States
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- Jonsson, Anders, 1966- (author)
- Umeå universitet,Institutionen för ekologi, miljö och geovetenskap
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- Geibrink, Erik (author)
- Umeå universitet,Institutionen för ekologi, miljö och geovetenskap
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- Kortelainen, Pirkko (author)
- Finnish Environment Institute (SYKE), Helsinki, Finland
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- Vuorenmaa, Jussi (author)
- Finnish Environment Institute (SYKE), Helsinki, Finland
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- Vuorio, Kristiina (author)
- Finnish Environment Institute (SYKE), Helsinki, Finland
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- Kahilainen, Kimmo K. (author)
- Lammi Biological Station, University of Helsinki, Helsinki, Finland
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- Hessen, Dag Olav (author)
- Centre of Biogeochemistry in the Anthropocene and Department of Bioscience, University of Oslo, Oslo, Norway
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(creator_code:org_t)
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- John Wiley & Sons, 2024
- 2024
- English.
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In: Global Change Biology. - : John Wiley & Sons. - 1354-1013 .- 1365-2486. ; 30:3
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Abstract
Subject headings
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- Zooplankton community composition of northern lakes is changing due to the interactive effects of climate change and recovery from acidification, yet limited data are available to assess these changes combined. Here, we built a database using archives of temperature, water chemistry and zooplankton data from 60 Scandinavian lakes that represent broad spatial and temporal gradients in key parameters: temperature, calcium (Ca), total phosphorus (TP), total organic carbon (TOC), and pH. Using machine learning techniques, we found that Ca was the most important determinant of the relative abundance of all zooplankton groups studied, while pH was second, and TOC third in importance. Further, we found that Ca is declining in almost all lakes, and we detected a critical Ca threshold in lake water of 1.3 mg L−1, below which the relative abundance of zooplankton shifts toward dominance of Holopedium gibberum and small cladocerans at the expense of Daphnia and copepods. Our findings suggest that low Ca concentrations may shape zooplankton communities, and that current trajectories of Ca decline could promote widespread changes in pelagic food webs as zooplankton are important trophic links from phytoplankton to fish and different zooplankton species play different roles in this context.
Subject headings
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Environmental Sciences (hsv//eng)
Keyword
- calanoids
- calcium
- cladocerans
- cyclopoids
- Daphnia
- Holopedium
- lakes
- phosphorus
- temperature
- zooplankton community composition
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Bergström, Ann-K ...
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Creed, Irena F.
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Palstev, Aleksey
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de Wit, Heleen A ...
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Lau, Danny C P
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Drakare, Stina
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show more...
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Vrede, Tobias
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Isles, Peter D. ...
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Jonsson, Anders, ...
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Geibrink, Erik
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Kortelainen, Pir ...
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Vuorenmaa, Jussi
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Vuorio, Kristiin ...
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Kahilainen, Kimm ...
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Hessen, Dag Olav
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- 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
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Environmental Sc ...
- Articles in the publication
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Global Change Bi ...
- By the university
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Umeå University
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Swedish University of Agricultural Sciences