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Common trends in northeast Atlantic squid time series
Zuur, A.F.; Pierce, G.J. (2004). Common trends in northeast Atlantic squid time series. J. Sea Res. 52(1): 57-72. dx.doi.org/10.1016/j.seares.2003.08.008
In: Journal of Sea Research. Elsevier/Netherlands Institute for Sea Research: Amsterdam; Den Burg. ISSN 1385-1101, more
Peer reviewed article  

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Keywords
    Cephalopod fisheries; Dynamic analysis; Sea surface; Surface temperature; Temperature; Time series; Cephalopoda [WoRMS]; Loligo forbesii Steenstrup, 1856 [WoRMS]; ANE, British Isles, Scotland, Western Isles [Marine Regions]; ANE, North Sea [Marine Regions]; Marine

Authors  Top 
  • Zuur, A.F.
  • Pierce, G.J.

Abstract
    In this paper, dynamic factor analysis is used to estimate common trends in time series of squid catch per unit effort in Scottish (UK) waters. Results indicated that time series of most months were related to sea surface temperature measured at Millport (UK) and a few series were related to the NAO index. The DFA methodology identified three common trends in the squid time series not revealed by traditional approaches, which suggest a possible shift in relative abundance of summer- and winter-spawning populations.

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