The mid-eighties regime shift and appendicularian abundance

Lopez-Urrutia, A; Beaugrand, G; Greve, W; Harris, RP. 2007 The mid-eighties regime shift and appendicularian abundance. UNSPECIFIED.

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Abstract/Summary

There is accumulating evidence suggesting that a regime shift occurred in the North Atlantic during the mid-eighties. This shift has been reported primarily from Continuous Plankton Recorder (CPR) data as a stepwise change in plankton abundance and copepod community structure. Here we analyse the CPR data for appendicularian abundance to show that a similar stepwise increase occurred in the abundance of appendicularians during the mid-eighties. Furthermore, we compare these results to data recorded by other zooplankton time series programmes to show that a similar abrupt increase in appendicularian abundance during the mid-early eighties has also been recorded in other areas. The fact that such a change occurred at locations so distant apart as Helgoland Roads in the North Sea or the White Sea in the Arctic suggests that these changes have a global origin. The strong dependence of appendicularian phenology with temperature points out to direct links to global climate change.

Item Type: Publication - Book
Additional Information. Not used in RCUK Gateway to Research.: Human and Climate Forcing of Zooplankton Populations. p. 62. 2007. 4. Int. Zooplankton Production Symp., Hiroshima (Japan), 28 May-1 Jun 2007 Book Monograph; Conference; Summary
Additional Keywords: Article Subject Terms: Indexing in process
Depositing User: Miss Gemma Brice
Date made live: 26 Mar 2014 14:09
Last Modified: 06 Mar 2017 17:57
URI: http://plymsea.ac.uk/id/eprint/5831

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