Changes in marine dinoflagellate and diatom abundance under climate change
Marine diatoms and dinoflagellates play a variety of key ecosystem roles as important primary producers (diatoms and some dinoflagellates) and grazers (some dinoflagellates). Additionally some are harmful algal bloom (HAB) species and there is widespread concern that HAB species may be increasing ac...
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ftplymouthml:oai:plymsea.ac.uk:5771 2023-05-15T17:41:27+02:00 Changes in marine dinoflagellate and diatom abundance under climate change Hinder, SL Hays, GC Edwards, M Roberts, EC Walne, AW Gravenor, MB 2012 http://plymsea.ac.uk/id/eprint/5771/ unknown Hinder, SL; Hays, GC; Edwards, M; Roberts, EC; Walne, AW; Gravenor, MB. 2012 Changes in marine dinoflagellate and diatom abundance under climate change. Nature Climate Change, April (no. 4). Publication - Article NonPeerReviewed 2012 ftplymouthml 2022-09-13T05:48:25Z Marine diatoms and dinoflagellates play a variety of key ecosystem roles as important primary producers (diatoms and some dinoflagellates) and grazers (some dinoflagellates). Additionally some are harmful algal bloom (HAB) species and there is widespread concern that HAB species may be increasing accompanied by major negative socio-economic impacts, including threats to human health and marine harvesting1, 2. Using 92,263 samples from the Continuous Plankton Recorder survey, we generated a 50-year (1960–2009) time series of diatom and dinoflagellate occurrence in the northeast Atlantic and North Sea. Dinoflagellates, including both HAB taxa (for example, Prorocentrum spp.) and non-HAB taxa (for example, Ceratium furca), have declined in abundance, particularly since 2006. In contrast, diatom abundance has not shown this decline with some common diatoms, including both HAB (for example, Pseudo-nitzschia spp.) and non-HAB (for example, Thalassiosira spp.) taxa, increasing in abundance. Overall these changes have led to a marked increase in the relative abundance of diatoms versus dinoflagellates. Our analyses, including Granger tests to identify criteria of causality, indicate that this switch is driven by an interaction effect of both increasing sea surface temperatures combined with increasingly windy conditions in summer. Article in Journal/Newspaper Northeast Atlantic Plymouth Marine Science Electronic Archive (PlyMSEA - Plymouth Marine Laboratory, PML) |
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Plymouth Marine Science Electronic Archive (PlyMSEA - Plymouth Marine Laboratory, PML) |
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Marine diatoms and dinoflagellates play a variety of key ecosystem roles as important primary producers (diatoms and some dinoflagellates) and grazers (some dinoflagellates). Additionally some are harmful algal bloom (HAB) species and there is widespread concern that HAB species may be increasing accompanied by major negative socio-economic impacts, including threats to human health and marine harvesting1, 2. Using 92,263 samples from the Continuous Plankton Recorder survey, we generated a 50-year (1960–2009) time series of diatom and dinoflagellate occurrence in the northeast Atlantic and North Sea. Dinoflagellates, including both HAB taxa (for example, Prorocentrum spp.) and non-HAB taxa (for example, Ceratium furca), have declined in abundance, particularly since 2006. In contrast, diatom abundance has not shown this decline with some common diatoms, including both HAB (for example, Pseudo-nitzschia spp.) and non-HAB (for example, Thalassiosira spp.) taxa, increasing in abundance. Overall these changes have led to a marked increase in the relative abundance of diatoms versus dinoflagellates. Our analyses, including Granger tests to identify criteria of causality, indicate that this switch is driven by an interaction effect of both increasing sea surface temperatures combined with increasingly windy conditions in summer. |
format |
Article in Journal/Newspaper |
author |
Hinder, SL Hays, GC Edwards, M Roberts, EC Walne, AW Gravenor, MB |
spellingShingle |
Hinder, SL Hays, GC Edwards, M Roberts, EC Walne, AW Gravenor, MB Changes in marine dinoflagellate and diatom abundance under climate change |
author_facet |
Hinder, SL Hays, GC Edwards, M Roberts, EC Walne, AW Gravenor, MB |
author_sort |
Hinder, SL |
title |
Changes in marine dinoflagellate and diatom abundance under climate change |
title_short |
Changes in marine dinoflagellate and diatom abundance under climate change |
title_full |
Changes in marine dinoflagellate and diatom abundance under climate change |
title_fullStr |
Changes in marine dinoflagellate and diatom abundance under climate change |
title_full_unstemmed |
Changes in marine dinoflagellate and diatom abundance under climate change |
title_sort |
changes in marine dinoflagellate and diatom abundance under climate change |
publishDate |
2012 |
url |
http://plymsea.ac.uk/id/eprint/5771/ |
genre |
Northeast Atlantic |
genre_facet |
Northeast Atlantic |
op_relation |
Hinder, SL; Hays, GC; Edwards, M; Roberts, EC; Walne, AW; Gravenor, MB. 2012 Changes in marine dinoflagellate and diatom abundance under climate change. Nature Climate Change, April (no. 4). |
_version_ |
1766143026050105344 |