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Assessing the dynamics of the European eel stock along the Swedish west coast

Andersson, Jan and Wickström, Håkan and Bryhn, Andreas and Magnusson, Katarina and Odelström, Anne and Dekker, Willem (2019). Assessing the dynamics of the European eel stock along the Swedish west coast. Drottningholm Lysekil Öregrund: (NL, NJ) > Department of Aquatic Resources, Sveriges lantbruksuniversitet. Aqua reports ; 2019:17
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Abstract

The stock of the European eel (Anguilla anguilla) has been at a critical state for the last decades, prompting strict conservation measures. This study investigates local stock dynamics along the Swedish west coast where fishing was banned in 2012. The local stock is truly marine, which is quite unique for the species. Results of ongoing monitoring programmes are presented, and options for the assessment of the status of the stock are discussed. Results show contradictory trends over time: recruitment followed the general downward trend found throughout Europe. Catch-per-unit-effort (CPUE) for eels < 37 cm appears to decrease over time, while CPUE for size-classes > 49 cm tends to increase, especially since after the fishing ban. In the absence of information on essential processes – in particular the migration into and out of the area – it is currently impossible to assess the status of the local stock (abundance, impacts), but continued monitoring will provide indicators for the further recovery of the stock after the fishing ban.

Authors/Creators:Andersson, Jan and Wickström, Håkan and Bryhn, Andreas and Magnusson, Katarina and Odelström, Anne and Dekker, Willem
Title:Assessing the dynamics of the European eel stock along the Swedish west coast
Series/Journal:Aqua reports (12351367)
Year of publishing :2019
Number:2019:17
Number of Pages:32
Place of Publication:Drottningholm Lysekil Öregrund
Publisher:Department of Aquatic Resources, Swedish University of Agricultural Sciences
ISBN for electronic version:978-91-576-9693-9
Language:English
Publication Type:Report
Article category:Other scientific
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Fish and Aquacultural Science
Keywords:European eel, , , ,, Anguilla anguilla, marine, stock assessment, west coast
URN:NBN:urn:nbn:se:slu:epsilon-p-102841
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-102841
ID Code:16476
Faculty:NJ - Fakulteten för naturresurser och jordbruksvetenskap
Department:(NL, NJ) > Department of Aquatic Resources
Deposited By: SLUpub Connector
Deposited On:02 Dec 2019 14:24
Metadata Last Modified:08 Apr 2020 21:37

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