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Regional-scale changes in diatom distribution in the Humboldt upwelling system as revealed by remote sensing: implications for fisheries

Abstract:

A diatom-detection algorithm was parametrized for the Humboldt upwelling system using local cruise data that were first validated, then used to create monthly composites of diatom distribution from 0 to 40°S and 90 to 70°W for both normal and El Niño conditions. There was a 50% reduction in the areal extent of diatom-dominated waters during the peak of the 1997 El Niño. The extent of the coastward contraction in the diatom-dominated area varied along the South American coastline. These region...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1093/icesjms/fsq181

Authors


More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Oxford college:
St Edmund Hall
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Oxford college:
St John's College
Role:
Author
More from this funder
Name:
Natural Environment Research Council
Funding agency for:
Jackson, T
Publisher:
Oxford University Press
Journal:
ICES J MAR SCI More from this journal
Volume:
68
Issue:
4
Pages:
729-736
Publication date:
2011-03-01
DOI:
EISSN:
1095-9289
ISSN:
1054-3139
Language:
English
Keywords:
Subjects:
UUID:
uuid:b7d48a52-f667-447e-971d-ed08c1c20a08
Local pid:
pubs:124517
Source identifiers:
124517
Deposit date:
2012-12-19

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