Lifeform indicators reveal large-scale shifts in plankton across the North-West European shelf

© 2020 The Authors. Global Change Biology published by John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 26(2020), 6 vom: 06. Juni, Seite 3482-3497
1. Verfasser: Bedford, Jacob (VerfasserIn)
Weitere Verfasser: Ostle, Clare, Johns, David G, Atkinson, Angus, Best, Mike, Bresnan, Eileen, Machairopoulou, Margarita, Graves, Carolyn A, Devlin, Michelle, Milligan, Alex, Pitois, Sophie, Mellor, Adam, Tett, Paul, McQuatters-Gollop, Abigail
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article climate change food webs functional groups indicators pelagic time-series
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520 |a Increasing direct human pressures on the marine environment, coupled with climate-driven changes, is a concern to marine ecosystems globally. This requires the development and monitoring of ecosystem indicators for effective management and adaptation planning. Plankton lifeforms (broad functional groups) are sensitive indicators of marine environmental change and can provide a simplified view of plankton biodiversity, building an understanding of change in lower trophic levels. Here, we visualize regional-scale multi-decadal trends in six key plankton lifeforms as well as their correlative relationships with sea surface temperature (SST). For the first time, we collate trends across multiple disparate surveys, comparing the spatially and temporally extensive Continuous Plankton Recorder (CPR) survey (offshore) with multiple long-term fixed station-based time-series (inshore) from around the UK coastline. These analyses of plankton lifeforms showed profound long-term changes, which were coherent across large spatial scales. For example, 'diatom' and 'meroplankton' lifeforms showed strong alignment between surveys and coherent regional-scale trends, with the 1998-2017 decadal average abundance of meroplankton being 2.3 times that of 1958-1967 for CPR samples in the North Sea. This major, shelf-wide increase in meroplankton correlated with increasing SSTs, and contrasted with a general decrease in holoplankton (dominated by small copepods), indicating a changing balance of benthic and pelagic fauna. Likewise, inshore-offshore gradients in dinoflagellate trends, with contemporary increases inshore contrasting with multi-decadal decreases offshore (approx. 75% lower decadal mean abundance), urgently require the identification of causal mechanisms. Our lifeform approach allows the collation of many different data types and time-series across the NW European shelf, providing a crucial evidence base for informing ecosystem-based management, and the development of regional adaptation plans 
650 4 |a Journal Article 
650 4 |a climate change 
650 4 |a food webs 
650 4 |a functional groups 
650 4 |a indicators 
650 4 |a pelagic 
650 4 |a time-series 
700 1 |a Ostle, Clare  |e verfasserin  |4 aut 
700 1 |a Johns, David G  |e verfasserin  |4 aut 
700 1 |a Atkinson, Angus  |e verfasserin  |4 aut 
700 1 |a Best, Mike  |e verfasserin  |4 aut 
700 1 |a Bresnan, Eileen  |e verfasserin  |4 aut 
700 1 |a Machairopoulou, Margarita  |e verfasserin  |4 aut 
700 1 |a Graves, Carolyn A  |e verfasserin  |4 aut 
700 1 |a Devlin, Michelle  |e verfasserin  |4 aut 
700 1 |a Milligan, Alex  |e verfasserin  |4 aut 
700 1 |a Pitois, Sophie  |e verfasserin  |4 aut 
700 1 |a Mellor, Adam  |e verfasserin  |4 aut 
700 1 |a Tett, Paul  |e verfasserin  |4 aut 
700 1 |a McQuatters-Gollop, Abigail  |e verfasserin  |4 aut 
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773 1 8 |g volume:26  |g year:2020  |g number:6  |g day:06  |g month:06  |g pages:3482-3497 
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