Regional climate change and harmful algal blooms in the northeast Atlantic

Edwards, M., Johns, D. G., Leterme, S. C., Svendsen, E. and Richardson, A. J. (2006) Regional climate change and harmful algal blooms in the northeast Atlantic. Limnology And Oceanography, 51 2: 820-829. doi:10.4319/lo.2006.51.2.0820

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Author Edwards, M.
Johns, D. G.
Leterme, S. C.
Svendsen, E.
Richardson, A. J.
Title Regional climate change and harmful algal blooms in the northeast Atlantic
Journal name Limnology And Oceanography   Check publisher's open access policy
ISSN 0024-3590
Publication date 2006-03-10
Sub-type Article (original research)
DOI 10.4319/lo.2006.51.2.0820
Open Access Status File (Publisher version)
Volume 51
Issue 2
Start page 820
End page 829
Total pages 10
Place of publication Waco, TX, United States
Publisher American Society of Limnology and Oceanography
Collection year 2006
Language eng
Subject C1
239901 Biological Mathematics
770101 Climate change
Abstract We investigated long-term spatial variability in a number of Harmful Algal Blooms (HABs) in the northeast Atlantic and North Sea using data from the Continuous Plankton Recorder. Over the last four decades. some dinoflagellate taxa showed pronounced variation in the south and east of the North Sea, with the most significant increases being restricted to the adjacent waters off Norway. There was also a general decrease along the eastern coast of the United Kingdom. The most prominent feature in the interannual bloom frequencies over the last four decades was the anomalously high values recorded in the late 1980s in the northern and central North Sea areas. The only mesoscale area in the northeast Atlantic to show a significant increase in bloom formation over the last decade was the Norwegian coastal region. The changing spatial patterns of HAB taxa and the frequency of bloom formation are discussed in relation to regional climate change, in particular, changes in temperature, salinity, and the North Atlantic Oscillation (NAO). Areas highly vulnerable to the effects of regional climate change on HABs are Norwegian coastal waters and the Skagerrak. Other vulnerable areas include Danish coastal waters, and to a lesser extent, the German and Dutch Bight and the northern Irish Sea. Quite apart from eutrophication, our results give a preview of what might happen to certain HAB genera under changing climatic conditions in temperate environments and their responses to variability of climate oscillations Such as the NAO.
Keyword Limnology
Long-term Changes
Phytoplankton Biomass
Q-Index Code C1
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Excellence in Research Australia (ERA) - Collection
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Created: Wed, 15 Aug 2007, 09:10:07 EST