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Addressing the dichotomy of fishing and climate in fishery management with the FishClim model

Environmental Studies and Forestry

Addressing the dichotomy of fishing and climate in fishery management with the FishClim model

G. Beaugrand, A. Balembois, et al.

The FishClim model offers groundbreaking insights into the dual influences of fishing and climate-induced environmental change on North Sea cod populations from 1963 to 2019. Highlighting nearly equal contributions to stock fluctuations, this research by Grégory Beaugrand, Alexis Balembois, Loïck Kléparski, and Richard R. Kirby underscores the critical need for adaptive management strategies to avert potential stock collapse.

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Playback language: English
Abstract
This paper introduces the FishClim model, applied to North Sea cod (1963-2019), to quantify the intertwined effects of fishing and climate-induced environmental change (CIEC) on fish stocks. The model reveals nearly equal contributions from fishing and CIEC (-55% and -45%, respectively) to long-term fluctuations. Ignoring CIEC in fisheries management leads to harmful lags, potentially causing stock collapse. Future projections using CMIP6 scenarios show substantial decreases in mdSSB (maximum standardized SSB) under climate change, highlighting the need for adaptive management strategies.
Publisher
Communications Biology
Published On
Nov 09, 2022
Authors
Grégory Beaugrand, Alexis Balembois, Loïck Kléparski, Richard R. Kirby
Tags
FishClim model
North Sea cod
fishing
climate change
fish stocks
management strategies

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