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Rapid effects of a fishing closure on whitefish (Coregonus maraena) in the northern Baltic Sea

Berkström, Charlotte and Florin, Ann-Britt and Fredriksson, Ronny and Lundström, Karl and Bergström, Ulf (2021). Rapid effects of a fishing closure on whitefish (Coregonus maraena) in the northern Baltic Sea. Boreal Environment Research. 26 , 89-104
[Research article]

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Abstract

Areas closed to fishing year-round (no-take zones, NTZs) or during spawning time (spawning closures) are used as a management tool to increase declining fish populations. We evaluated the effects of a 147 km2 NTZ and a 3980 km2 spawning closure on whitefish populations in the northern Baltic Sea, and also accounted for fish consumption by seals and cormorants. Fish monitoring with multimesh gillnets in 2011–2016 showed a significant increase in catch per unit effort (CPUE) of mature whitefish (> 30 cm) both in the spawning closure and the NTZ compared with the reference area open to fishing. The rate of increase was significantly higher in the NTZ than in the spawning closure. Our results suggest that NTZs may strengthen coastal fish populations in temperate regions and that also seasonal closures under a critical period of the life cycle may benefit the populations.

Authors/Creators:Berkström, Charlotte and Florin, Ann-Britt and Fredriksson, Ronny and Lundström, Karl and Bergström, Ulf
Title:Rapid effects of a fishing closure on whitefish (Coregonus maraena) in the northern Baltic Sea
Series Name/Journal:Boreal Environment Research
Year of publishing :2021
Volume:26
Page range:89-104
Number of Pages:16
Associated Programs and Other Stakeholders:SLU - Environmental assessment > Programme Coastal and sea areas
ISSN:1239-6095
Language:English
Publication Type:Research article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Fish and Aquacultural Science
(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 405 Other Agricultural Sciences > Fish and Wildlife Management
URN:NBN:urn:nbn:se:slu:epsilon-p-113375
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-113375
Additional ID:
Type of IDID
Web of Science (WoS)000697217000005
Otherhttp://www.borenv.net/BER/archive/pdfs/ber26/ber26-089-104.pdf
ID Code:25618
Faculty:NJ - Fakulteten för naturresurser och jordbruksvetenskap
Department:(NL, NJ) > Department of Aquatic Resources
Deposited By: SLUpub Connector
Deposited On:08 Oct 2021 11:25
Metadata Last Modified:08 Oct 2021 11:31

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