RIBEIRO, Sofia; LIMOGES, Audrey; MASSÉ, Guillaume; JOHANSEN, Kasper L.; COLGAN, William; WECKSTRÖM, Kaarina; JACKSON, Rebecca; GEORGIADIS, Eleanor; MIKKELSEN, Naja; KUIJPERS, Antoon; OLSEN, Jesper; OLSEN, Steffen M.; NISSEN, Martin; ANDERSEN, Thorbjørn; STRUNK, Astrid; WETTERICH, Sebastian; SYVÄRANTA, Jari; HENDERSON, Andrew C. G.; MACKAY, Helen; TAIPALE, Sami; JEPPESEN, Erik; LARSEN, Nicolaj K.; CROSTA, Xavier; GIRAUDEAU, Jacques; WENGRAT, Simone; NUTTALL, Mark; GRØNNOW, Bjarne; MOSBECH, Anders; DAVIDSON, Thomas A.

doi:10.1038/s41467-021-24742-0

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RIBEIRO, Sofia
Geological Survey of Denmark and Greenland [GEUS]

LIMOGES, Audrey
Geological Survey of Denmark and Greenland [GEUS]

MASSÉ, Guillaume
Variabilité de l'Océan et de la Glace de mer [LOCEAN-VOG]
Station de Biologie Marine de Concarneau

RIBEIRO, Sofia
Geological Survey of Denmark and Greenland [GEUS]

LIMOGES, Audrey
Geological Survey of Denmark and Greenland [GEUS]

MASSÉ, Guillaume
Variabilité de l'Océan et de la Glace de mer [LOCEAN-VOG]
Station de Biologie Marine de Concarneau

JOHANSEN, Kasper L.
Aarhus University [Aarhus]

COLGAN, William
Geological Survey of Denmark and Greenland [GEUS]

WECKSTRÖM, Kaarina
Geological Survey of Denmark and Greenland [GEUS]
Helsinki Institute of Sustainability Science [HELSUS]

JACKSON, Rebecca
Geological Survey of Denmark and Greenland [GEUS]

GEORGIADIS, Eleanor

Takuvik International Research Laboratory
Environnements et Paléoenvironnements OCéaniques [EPOC]

MIKKELSEN, Naja
Geological Survey of Denmark and Greenland [GEUS]

KUIJPERS, Antoon
Geological Survey of Denmark and Greenland [GEUS]

OLSEN, Jesper
Aarhus University [Aarhus]

OLSEN, Steffen M.
Danish Meteorological Institute [DMI]

NISSEN, Martin

ANDERSEN, Thorbjørn
Department of Geosciences and Natural Resource Management [Copenhagen] [IGN]

STRUNK, Astrid
Aarhus University [Aarhus]

WETTERICH, Sebastian
Alfred Wegener Institute [Potsdam]

SYVÄRANTA, Jari
University of Eastern Finland

HENDERSON, Andrew C. G.
The School of Geography, Politics and Sociology; Newcastle University

MACKAY, Helen
The School of Geography, Politics and Sociology; Newcastle University
Department of Geography [UNIVERSITé DE DURHAM]

TAIPALE, Sami
Department of Biological and Environmental Science [Jyväskylä Univ] [JYU]

JEPPESEN, Erik
Aarhus University Hospital
Middle East Technical University [Ankara] [METU]
SINO-DANISH CENTRE FOR EDUCATION AND RESEARCH BEIJING CHN

LARSEN, Nicolaj K.
Aarhus University [Aarhus]
Centre for GeoGenetics

CROSTA, Xavier

Environnements et Paléoenvironnements OCéaniques [EPOC]

GIRAUDEAU, Jacques

Environnements et Paléoenvironnements OCéaniques [EPOC]

WENGRAT, Simone
Limnological Institute

NUTTALL, Mark
Greenland Institute of Natural Resources [GINR]
University of Alberta

GRØNNOW, Bjarne
National Museum of Denmark, Department of Conservation

MOSBECH, Anders
Aarhus University [Aarhus]

DAVIDSON, Thomas A.
Aarhus University [Aarhus]

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Nature Communications. 2021-12, vol. 12, n° 1

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Abstract High Arctic ecosystems and Indigenous livelihoods are tightly linked and exposed to climate change, yet assessing their sensitivity requires a long-term perspective. Here, we assess the vulnerability of the North Water polynya, a unique seaice ecosystem that sustains the world’s northernmost Inuit communities and several keystone Arctic species. We reconstruct mid-to-late Holocene changes in sea ice, marine primary production, and little auk colony dynamics through multi-proxy analysis of marine and lake sediment cores. Our results suggest a productive ecosystem by 4400–4200 cal yrs b2k coincident with the arrival of the first humans in Greenland. Climate forcing during the late Holocene, leading to periods of polynya instability and marine productivity decline, is strikingly coeval with the human abandonment of Greenland from c. 2200–1200 cal yrs b2k. Our long-term perspective highlights the future decline of the North Water ecosystem, due to climate warming and changing sea-ice conditions, as an important climate change risk.< Leer menos

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Vulnerability of the North Water ecosystem to climate change

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