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Sökning: id:"swepub:oai:DiVA.org:su-126862" > Food for Thought Ea...

Food for Thought Eastern Baltic cod in distress : biological changes and challenges for stock assessment

Eero, Margit (författare)
National Institute of Aquatic Resources, Technical University of Denmark, Charlottenlund, Denmark
Hjelm, Joakim (författare)
Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för akvatiska resurser,Department of Aquatic Resources,Department of Aquatic Resources, Institute of Marine Research, Swedish University of Agricultural Sciences, Lysekil, Sweden
Behrens, Jane (författare)
National Institute of Aquatic Resources, Technical University of Denmark, Charlottenlund, Denmark
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Buchmann, Kurt (författare)
Department of Veterinary Disease Biology, University of Copenhagen, Copenhagen, Denmark
Cardinale, Massimiliano (författare)
Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för akvatiska resurser,Department of Aquatic Resources,Department of Aquatic Resources, Institute of Marine Research, Swedish University of Agricultural Sciences, Lysekil, Sweden
Casini, Michele (författare)
Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för akvatiska resurser,Department of Aquatic Resources,Department of Aquatic Resources, Institute of Marine Research, Swedish University of Agricultural Sciences, Lysekil, Sweden
Gasyukov, Pavel (författare)
AtlantNIRO, Kaliningrad, Russian Federation
Holmgren, Noél (författare)
Högskolan i Skövde,Institutionen för biovetenskap,Forskningscentrum för Systembiologi,Ekologisk modellering, Ecological modeling
Horbowy, Jan (författare)
National Marine Fisheries Research Institute, Gdynia, Poland
Hussy, Karin (författare)
National Institute of Aquatic Resources, Technical University of Denmark, Charlottenlund, Denmark
Kirkegaard, Eskild (författare)
International Council for the Exploration of the Sea (ICES), Copenhagen, Denmark
Kornilovs, Georgs (författare)
Institute of Food Safety, Animal Health and Environment “BIOR”, Riga, Latvia
Krumme, Uwe (författare)
Thünen Institute of Baltic Sea Fisheries, Rostock, Germany
Koster, Friedrich W. (författare)
National Institute of Aquatic Resources, Technical University of Denmark, Charlottenlund, Denmark
Oeberst, Rainer (författare)
Thünen Institute of Baltic Sea Fisheries, Rostock, Germany
Plikshs, Maris (författare)
Institute of Food Safety, Animal Health and Environment “BIOR”, Riga, Latvia
Radtke, Krzysztof (författare)
National Marine Fisheries Research Institute, Gdynia, Poland
Raid, Tiit (författare)
Estonian Marine Institute, University of Tartu, Tallinn, Estonia
Schmidt, Joern (författare)
Department of Economics, Christian-Albrechts University of Kiel, Kiel, Germany
Tomczak, Maciej T. (författare)
Stockholms universitet,Stockholms universitets Östersjöcentrum,Stockholm University, Baltic Sea Centre, Stockholm, Sweden
Vinther, Morten (författare)
National Institute of Aquatic Resources, Technical University of Denmark, Charlottenlund, Denmark
Zimmermann, Christopher (författare)
Thünen Institute of Baltic Sea Fisheries, Rostock, Germany
Storr-Paulsen, Marie (författare)
National Institute of Aquatic Resources, Technical University of Denmark, Charlottenlund, Denmark
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 (creator_code:org_t)
 
2015-06-08
2015
Engelska.
Ingår i: ICES Journal of Marine Science. - : Oxford University Press (OUP). - 1054-3139 .- 1095-9289. ; 72:8, s. 2180-2186
Relaterad länk:
https://academic.oup...
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https://doi.org/10.1...
https://urn.kb.se/re...
https://doi.org/10.1...
https://res.slu.se/i...
https://urn.kb.se/re...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • The eastern Baltic (EB) cod (Gadus morhua) stock was depleted and overexploited for decades until the mid-2000s, when fishing mortality rapidly declined and biomass started to increase, as shown by stock assessments. These positive developments were partly assigned to effective management measures, and the EB cod was considered one of the most successful stock recoveries in recent times. In contrast to this optimistic view, the analytical stock assessment failed in 2014, leaving the present stock status unclear. Deteriorated quality of some basic input data for stock assessment in combination with changes in environmental and ecological conditions has led to an unusual situation for cod in the Baltic Sea, which poses new challenges for stock assessment and management advice. A number of adverse developments such as low nutritional condition and disappearance of larger individuals indicate that the stock is in distress. In this study, we (i) summarize the knowledge of recent changes in cod biology and ecosystem conditions, (ii) describe the subsequent challenges for stock assessment, and (iii) highlight the key questions where answers are urgently needed to understand the present stock status and provide scientifically solid support for cod management in the Baltic Sea.

Ämnesord

LANTBRUKSVETENSKAPER  -- Lantbruksvetenskap, skogsbruk och fiske (hsv//swe)
AGRICULTURAL SCIENCES  -- Agriculture, Forestry and Fisheries (hsv//eng)
NATURVETENSKAP  -- Biologi (hsv//swe)
NATURAL SCIENCES  -- Biological Sciences (hsv//eng)
NATURVETENSKAP  -- Geovetenskap och miljövetenskap (hsv//swe)
NATURAL SCIENCES  -- Earth and Related Environmental Sciences (hsv//eng)
LANTBRUKSVETENSKAPER  -- Lantbruksvetenskap, skogsbruk och fiske -- Fisk- och akvakulturforskning (hsv//swe)
AGRICULTURAL SCIENCES  -- Agriculture, Forestry and Fisheries -- Fish and Aquacultural Science (hsv//eng)
NATURVETENSKAP  -- Biologi -- Ekologi (hsv//swe)
NATURAL SCIENCES  -- Biological Sciences -- Ecology (hsv//eng)

Nyckelord

data quality
eastern Baltic cod
ecosystem understanding
stock assessment
Ekologisk modellering

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art (ämneskategori)

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