Changes in Barents Sea ecosystem state, 1970-2009: climate fluctuations, human impact, and trophic interactions
<qd> Johannesen, E., Ingvaldsen, R. B., Bogstad, B., Dalpadado, P., Eriksen, E., Gjøsæter, H., Knutsen, T., Skern-Mauritzen, M., and Stiansen, J. E. 2012. Changes in Barents Sea ecosystem state, 1970–2009: climate fluctuations, human impact, and trophic interactions. – ICES Journal of Marine S...
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fthighwire:oai:open-archive.highwire.org:icesjms:69/5/880 2023-05-15T14:57:41+02:00 Changes in Barents Sea ecosystem state, 1970-2009: climate fluctuations, human impact, and trophic interactions Johannesen, Edda Ingvaldsen, Randi B. Bogstad, Bjarte Dalpadado, Padmini Eriksen, Elena Gjøsæter, Harald Knutsen, Tor Skern-Mauritzen, Mette Stiansen, Jan Erik 2012-07-01 00:00:00.0 text/html http://icesjms.oxfordjournals.org/cgi/content/short/69/5/880 https://doi.org/10.1093/icesjms/fss046 en eng Oxford University Press http://icesjms.oxfordjournals.org/cgi/content/short/69/5/880 http://dx.doi.org/10.1093/icesjms/fss046 Copyright (C) 2012, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer The Northern Northeast Atlantic and Arctic TEXT 2012 fthighwire https://doi.org/10.1093/icesjms/fss046 2012-06-19T02:12:34Z <qd> Johannesen, E., Ingvaldsen, R. B., Bogstad, B., Dalpadado, P., Eriksen, E., Gjøsæter, H., Knutsen, T., Skern-Mauritzen, M., and Stiansen, J. E. 2012. Changes in Barents Sea ecosystem state, 1970–2009: climate fluctuations, human impact, and trophic interactions. – ICES Journal of Marine Science, 69: 880–889. </qd>Long time-series of data from the Barents Sea (BS) are analysed to contrast the climate, fishing pressure, plankton, pelagic fish, demersal fish, and interactions between trophic levels in a recent decade (2000–2009) with the period 1970–1999. During the past four decades, fishing pressure and climatic conditions have varied greatly in the BS, and stock levels have fluctuated substantially. Trophic control has changed from mainly bottom–up to top–down, then back to mainly bottom–up. No clear evidence for persistent ecological regimes was found. The past decade has been the warmest on record, with large stocks of demersal and pelagic fish, and increasing abundances of krill and shrimp. Except perhaps for the rather less-studied Arctic species, the short-term effect of the recent warming has been positive for BS stocks. However, as many of the long-established relationships and mechanisms in the BS seem to be changing, the long-term effects of warming are uncertain. Text Arctic Barents Sea Northeast Atlantic HighWire Press (Stanford University) Arctic Barents Sea ICES Journal of Marine Science 69 5 880 889 |
institution |
Open Polar |
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HighWire Press (Stanford University) |
op_collection_id |
fthighwire |
language |
English |
topic |
The Northern Northeast Atlantic and Arctic |
spellingShingle |
The Northern Northeast Atlantic and Arctic Johannesen, Edda Ingvaldsen, Randi B. Bogstad, Bjarte Dalpadado, Padmini Eriksen, Elena Gjøsæter, Harald Knutsen, Tor Skern-Mauritzen, Mette Stiansen, Jan Erik Changes in Barents Sea ecosystem state, 1970-2009: climate fluctuations, human impact, and trophic interactions |
topic_facet |
The Northern Northeast Atlantic and Arctic |
description |
<qd> Johannesen, E., Ingvaldsen, R. B., Bogstad, B., Dalpadado, P., Eriksen, E., Gjøsæter, H., Knutsen, T., Skern-Mauritzen, M., and Stiansen, J. E. 2012. Changes in Barents Sea ecosystem state, 1970–2009: climate fluctuations, human impact, and trophic interactions. – ICES Journal of Marine Science, 69: 880–889. </qd>Long time-series of data from the Barents Sea (BS) are analysed to contrast the climate, fishing pressure, plankton, pelagic fish, demersal fish, and interactions between trophic levels in a recent decade (2000–2009) with the period 1970–1999. During the past four decades, fishing pressure and climatic conditions have varied greatly in the BS, and stock levels have fluctuated substantially. Trophic control has changed from mainly bottom–up to top–down, then back to mainly bottom–up. No clear evidence for persistent ecological regimes was found. The past decade has been the warmest on record, with large stocks of demersal and pelagic fish, and increasing abundances of krill and shrimp. Except perhaps for the rather less-studied Arctic species, the short-term effect of the recent warming has been positive for BS stocks. However, as many of the long-established relationships and mechanisms in the BS seem to be changing, the long-term effects of warming are uncertain. |
format |
Text |
author |
Johannesen, Edda Ingvaldsen, Randi B. Bogstad, Bjarte Dalpadado, Padmini Eriksen, Elena Gjøsæter, Harald Knutsen, Tor Skern-Mauritzen, Mette Stiansen, Jan Erik |
author_facet |
Johannesen, Edda Ingvaldsen, Randi B. Bogstad, Bjarte Dalpadado, Padmini Eriksen, Elena Gjøsæter, Harald Knutsen, Tor Skern-Mauritzen, Mette Stiansen, Jan Erik |
author_sort |
Johannesen, Edda |
title |
Changes in Barents Sea ecosystem state, 1970-2009: climate fluctuations, human impact, and trophic interactions |
title_short |
Changes in Barents Sea ecosystem state, 1970-2009: climate fluctuations, human impact, and trophic interactions |
title_full |
Changes in Barents Sea ecosystem state, 1970-2009: climate fluctuations, human impact, and trophic interactions |
title_fullStr |
Changes in Barents Sea ecosystem state, 1970-2009: climate fluctuations, human impact, and trophic interactions |
title_full_unstemmed |
Changes in Barents Sea ecosystem state, 1970-2009: climate fluctuations, human impact, and trophic interactions |
title_sort |
changes in barents sea ecosystem state, 1970-2009: climate fluctuations, human impact, and trophic interactions |
publisher |
Oxford University Press |
publishDate |
2012 |
url |
http://icesjms.oxfordjournals.org/cgi/content/short/69/5/880 https://doi.org/10.1093/icesjms/fss046 |
geographic |
Arctic Barents Sea |
geographic_facet |
Arctic Barents Sea |
genre |
Arctic Barents Sea Northeast Atlantic |
genre_facet |
Arctic Barents Sea Northeast Atlantic |
op_relation |
http://icesjms.oxfordjournals.org/cgi/content/short/69/5/880 http://dx.doi.org/10.1093/icesjms/fss046 |
op_rights |
Copyright (C) 2012, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer |
op_doi |
https://doi.org/10.1093/icesjms/fss046 |
container_title |
ICES Journal of Marine Science |
container_volume |
69 |
container_issue |
5 |
container_start_page |
880 |
op_container_end_page |
889 |
_version_ |
1766329815654203392 |