The Arctic Oscillation predicts effects of climate change in two trophic levels in a high‐arctic ecosystem
Abstract During recent decades there has been a change in the circulation of atmospheric pressure throughout the Northern Hemisphere. These variations are expressed in the recently described Arctic Oscillation (AO), which has shown an upward trend (associated with winter warming in the eastern Arcti...
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crwiley:10.1046/j.1461-0248.2002.00340.x 2024-09-15T18:01:47+00:00 The Arctic Oscillation predicts effects of climate change in two trophic levels in a high‐arctic ecosystem Aanes, Ronny Sæther, Bernt‐Erik Smith, Fiona M. Cooper, Elisabeth J. Wookey, Philip A. Øritsland, Nils Are 2002 http://dx.doi.org/10.1046/j.1461-0248.2002.00340.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1046%2Fj.1461-0248.2002.00340.x https://onlinelibrary.wiley.com/doi/pdf/10.1046/j.1461-0248.2002.00340.x en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Ecology Letters volume 5, issue 3, page 445-453 ISSN 1461-023X 1461-0248 journal-article 2002 crwiley https://doi.org/10.1046/j.1461-0248.2002.00340.x 2024-07-18T04:26:12Z Abstract During recent decades there has been a change in the circulation of atmospheric pressure throughout the Northern Hemisphere. These variations are expressed in the recently described Arctic Oscillation (AO), which has shown an upward trend (associated with winter warming in the eastern Arctic) during the last three decades. We analysed a 12‐year time series on growth of Cassiope tetragona (Lapland Cassiope) and a 21‐year time series on abundance of a Svalbard reindeer population. High values of the AO index were associated with reduced plant growth and reindeer population growth rate. The North Atlantic Oscillation index was not able to explain a significant proportion of the variance in either plant growth or reindeer population fluctuations. Thus, the AO index may be a better predictor for ecosystem effects of climate change in certain high‐arctic areas compared to the NAO index. Article in Journal/Newspaper Cassiope tetragona Climate change North Atlantic North Atlantic oscillation Svalbard svalbard reindeer Lapland Wiley Online Library Ecology Letters 5 3 445 453 |
institution |
Open Polar |
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Wiley Online Library |
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crwiley |
language |
English |
description |
Abstract During recent decades there has been a change in the circulation of atmospheric pressure throughout the Northern Hemisphere. These variations are expressed in the recently described Arctic Oscillation (AO), which has shown an upward trend (associated with winter warming in the eastern Arctic) during the last three decades. We analysed a 12‐year time series on growth of Cassiope tetragona (Lapland Cassiope) and a 21‐year time series on abundance of a Svalbard reindeer population. High values of the AO index were associated with reduced plant growth and reindeer population growth rate. The North Atlantic Oscillation index was not able to explain a significant proportion of the variance in either plant growth or reindeer population fluctuations. Thus, the AO index may be a better predictor for ecosystem effects of climate change in certain high‐arctic areas compared to the NAO index. |
format |
Article in Journal/Newspaper |
author |
Aanes, Ronny Sæther, Bernt‐Erik Smith, Fiona M. Cooper, Elisabeth J. Wookey, Philip A. Øritsland, Nils Are |
spellingShingle |
Aanes, Ronny Sæther, Bernt‐Erik Smith, Fiona M. Cooper, Elisabeth J. Wookey, Philip A. Øritsland, Nils Are The Arctic Oscillation predicts effects of climate change in two trophic levels in a high‐arctic ecosystem |
author_facet |
Aanes, Ronny Sæther, Bernt‐Erik Smith, Fiona M. Cooper, Elisabeth J. Wookey, Philip A. Øritsland, Nils Are |
author_sort |
Aanes, Ronny |
title |
The Arctic Oscillation predicts effects of climate change in two trophic levels in a high‐arctic ecosystem |
title_short |
The Arctic Oscillation predicts effects of climate change in two trophic levels in a high‐arctic ecosystem |
title_full |
The Arctic Oscillation predicts effects of climate change in two trophic levels in a high‐arctic ecosystem |
title_fullStr |
The Arctic Oscillation predicts effects of climate change in two trophic levels in a high‐arctic ecosystem |
title_full_unstemmed |
The Arctic Oscillation predicts effects of climate change in two trophic levels in a high‐arctic ecosystem |
title_sort |
arctic oscillation predicts effects of climate change in two trophic levels in a high‐arctic ecosystem |
publisher |
Wiley |
publishDate |
2002 |
url |
http://dx.doi.org/10.1046/j.1461-0248.2002.00340.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1046%2Fj.1461-0248.2002.00340.x https://onlinelibrary.wiley.com/doi/pdf/10.1046/j.1461-0248.2002.00340.x |
genre |
Cassiope tetragona Climate change North Atlantic North Atlantic oscillation Svalbard svalbard reindeer Lapland |
genre_facet |
Cassiope tetragona Climate change North Atlantic North Atlantic oscillation Svalbard svalbard reindeer Lapland |
op_source |
Ecology Letters volume 5, issue 3, page 445-453 ISSN 1461-023X 1461-0248 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1046/j.1461-0248.2002.00340.x |
container_title |
Ecology Letters |
container_volume |
5 |
container_issue |
3 |
container_start_page |
445 |
op_container_end_page |
453 |
_version_ |
1810438858364420096 |