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Global patterns of epipelagic gelatinous zooplankton biomass

M. K. S Lilley, S. E Beggs, T. K Doyle, V. J Hobson, K. H. P Stromberg, G. C Hays, Victoria Hobson

Marine Biology

Swansea University Author: Victoria Hobson

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DOI (Published version): 10.1007/s00227-011-1744-1

Abstract

There is concern that overfishing may lead to a proliferation of jellyfish through a process known as fishing down the food web. However, there has been no global synthesis of patterns of gelatinous zooplankton biomass (GZB), an important first step in determining any future trends. A meta-analysis...

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Published in: Marine Biology
ISSN: 0025-3162 1432-1793
Published: 2011
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URI: https://cronfa.swan.ac.uk/Record/cronfa6133
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first_indexed 2013-07-23T11:54:30Z
last_indexed 2018-02-09T04:33:01Z
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spelling 2011-10-01T00:00:00.0000000 v2 6133 2011-10-01 Global patterns of epipelagic gelatinous zooplankton biomass 9024f9f0a80d2d248c7c6efb2e715c37 Victoria Hobson Victoria Hobson true false 2011-10-01 SBI There is concern that overfishing may lead to a proliferation of jellyfish through a process known as fishing down the food web. However, there has been no global synthesis of patterns of gelatinous zooplankton biomass (GZB), an important first step in determining any future trends. A meta-analysis of epipelagic-GZB patterns was undertaken, encompassing 58 locations on a global scale, and spanning the years 1967&ndash;2009. Epipelagic-GZB decreased strongly with increasing total water column depth (r2=0.543, p<0.001, n=58): in shallow (<50m) coastal waters, epipelagic-GZB was typically 742x the levels in deep ocean (>2,000m) sites. However, the ratio of GZB to primary productivity showed high values across a range of depths, i.e. this measure of the relative abundance of gelatinous zooplankton did not co-vary with depth. Journal Article Marine Biology 0025-3162 1432-1793 31 12 2011 2011-12-31 10.1007/s00227-011-1744-1 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University 2011-10-01T00:00:00.0000000 2011-10-01T00:00:00.0000000 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences M. K. S Lilley 1 S. E Beggs 2 T. K Doyle 3 V. J Hobson 4 K. H. P Stromberg 5 G. C Hays 6 Victoria Hobson 7
title Global patterns of epipelagic gelatinous zooplankton biomass
spellingShingle Global patterns of epipelagic gelatinous zooplankton biomass
Victoria Hobson
title_short Global patterns of epipelagic gelatinous zooplankton biomass
title_full Global patterns of epipelagic gelatinous zooplankton biomass
title_fullStr Global patterns of epipelagic gelatinous zooplankton biomass
title_full_unstemmed Global patterns of epipelagic gelatinous zooplankton biomass
title_sort Global patterns of epipelagic gelatinous zooplankton biomass
author_id_str_mv 9024f9f0a80d2d248c7c6efb2e715c37
author_id_fullname_str_mv 9024f9f0a80d2d248c7c6efb2e715c37_***_Victoria Hobson
author Victoria Hobson
author2 M. K. S Lilley
S. E Beggs
T. K Doyle
V. J Hobson
K. H. P Stromberg
G. C Hays
Victoria Hobson
format Journal article
container_title Marine Biology
publishDate 2011
institution Swansea University
issn 0025-3162
1432-1793
doi_str_mv 10.1007/s00227-011-1744-1
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Biosciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Biosciences
document_store_str 0
active_str 0
description There is concern that overfishing may lead to a proliferation of jellyfish through a process known as fishing down the food web. However, there has been no global synthesis of patterns of gelatinous zooplankton biomass (GZB), an important first step in determining any future trends. A meta-analysis of epipelagic-GZB patterns was undertaken, encompassing 58 locations on a global scale, and spanning the years 1967&ndash;2009. Epipelagic-GZB decreased strongly with increasing total water column depth (r2=0.543, p<0.001, n=58): in shallow (<50m) coastal waters, epipelagic-GZB was typically 742x the levels in deep ocean (>2,000m) sites. However, the ratio of GZB to primary productivity showed high values across a range of depths, i.e. this measure of the relative abundance of gelatinous zooplankton did not co-vary with depth.
published_date 2011-12-31T03:07:34Z
_version_ 1763749768456044544
score 11.016302

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