Widespread deoxygenation of temperate lakes

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Dangosydd eitem ddigidol (DOI)

  • Stephen F. Jane
    Rensselaer Polytechnic Institute
  • Gretchen J. A. Hansen
    University of Minnesota, USA
  • Benjamin M. Kraemer
    IGB Leibniz Institute for Freshwater Ecology and Inland Fisheries
  • Peter R. Leavitt
    University of Regina, Saskatchewan
  • Joshua L. Mincer
    Rensselaer Polytechnic Institute
  • Rebecca L. North
    University of Missouri, USA
  • Rachel M. Pilla
    University of Miami
  • Jonathan T. Stetler
    Rensselaer Polytechnic Institute
  • Craig E. Williamson
    University of Miami
  • R. Iestyn Woolway
    Dundalk Institute of Technology
  • Lauri Arvola
    University of Helsinki
  • Sudeep Chandra
    University of Nevada
  • Curtis L. DeGasperi
    King County Water and Land Resources Division, Seattle
  • Laura Diemer
    FB Environmental Associates, Portsmouth, NH, USA
  • Julita Dunalska
    University of Warmia and Mazury in Olsztyn
  • Oxana Erina
    Lomonosov Moscow State University
  • Giovanna Flaim
    Fondazione Edmund Mach, San Michele all’Adige, Italy
  • Hans-Peter Grossart
    Leibniz-Institute of Freshwater Ecology and Inland Fisheries, Stechlin, Germany
  • K. David Hambright
    The University of Oklahoma
  • Catherine Hein
    Wisconsin Department of Natural Resources, Madison
  • Josef Hejzlar
    Biology Centre CAS, České Budějovice
  • Lorraine L. Janus
    New York City Department of Environmental Protection
  • Jean-Philippe Jenny
    Université Savoie Mont Blanc
  • Lesley B. Knoll
    University of Minnesota, USA
  • Barbara Leoni
    University of Milano Bicocca
  • Eleanor Mackay
    Centre for Ecology & Hydrology, Lancaster
  • Shin-Ichiro S. Matsuzaki
    National Institute for Environmental Studies, Ibaraki, Japan
  • Chris McBride
    Environmental Research Institute, Hamilton, New Zealand
  • Dorthe C. Muller-Navarra
    University of Hamburg
  • Andrew M. Paterson
    Ontario Ministry of the Environment Conservation and Parks
  • Don Pierson
    Uppsala University
  • Michela Rogora
    CNR Water Research Institute (IRSA), Verbania Pallanza, Italy
  • James A. Rusak
    Ontario Ministry of the Environment Conservation and Parks
  • Steven Sadro
    University of California, Davis
  • Emilie Saulnier-Talbot
    Universite Laval
  • Martin Schmid
    Swiss Federal Institute of Aquatic Science and Technology
  • Ruben Sommaruga
    University of Innsbruck
  • Wim Thiery
    Vrije Universiteit Brussels
  • Piet Verburg
    National Institute of Water and Atmospheric Research Ltd (NIWA), Hillcrest, Hamilton, New Zealand
  • Kathleen C. Weathers
    Cary Institute of Ecosystem Studies, Millbrook, New York, USA
  • Gesa A. Weyhenmeyer
    Uppsala University
  • Kiyoko Yokota
    State University of New York College
  • Kevin C. Rose
    Rensselaer Polytechnic Institute
The concentration of dissolved oxygen in aquatic systems helps to regulate biodiversity1,2, nutrient biogeochemistry3, greenhouse gas emissions4, and the quality of drinking water5. The long-term declines in dissolved oxygen concentrations in coastal and ocean waters have been linked to climate warming and human activity6,7, but little is known about the changes in dissolved oxygen concentrations in lakes. Although the solubility of dissolved oxygen decreases with increasing water temperatures, long-term lake trajectories are difficult to predict. Oxygen losses in warming lakes may be amplified by enhanced decomposition and stronger thermal stratification8,9 or oxygen may increase as a result of enhanced primary production10. Here we analyse a combined total of 45,148 dissolved oxygen and temperature profiles and calculate trends for 393 temperate lakes that span 1941 to 2017. We find that a decline in dissolved oxygen is widespread in surface and deep-water habitats. The decline in surface waters is primarily associated with reduced solubility under warmer water temperatures, although dissolved oxygen in surface waters increased in a subset of highly productive warming lakes, probably owing to increasing production of phytoplankton. By contrast, the decline in deep waters is associated with stronger thermal stratification and loss of water clarity, but not with changes in gas solubility. Our results suggest that climate change and declining water clarity have altered the physical and chemical environment of lakes. Declines in dissolved oxygen in freshwater are 2.75 to 9.3 times greater than observed in the world’s oceans6,7 and could threaten essential lake ecosystem services
Iaith wreiddiolSaesneg
Tudalennau (o-i)66-70
CyfnodolynNature
Cyfrol594
Rhif y cyfnodolyn7861
Dynodwyr Gwrthrych Digidol (DOIs)
StatwsCyhoeddwyd - 2 Meh 2021
Gweld graff cysylltiadau