Impact of ocean warming on sustainable fisheries management informs the Ecosystem Approach to Fisheries

Natalia Serpetti, Alan R Baudron, Michael Burrows, Benjamin Luke Payne, Pierre Helaouet, Paul G Fernandes, J J Heymans

Research output: Contribution to journalArticle

10 Citations (Scopus)
8 Downloads (Pure)

Abstract

An integrated ecosystem model including fishing and the impact of rising temperatures, relative to species’ thermal ranges, was used to assess the cumulative effect of future climate change and sustainable levels of fishing pressure on selected target species. Historically, important stocks of cod and whiting showed declining trends caused by high fisheries exploitation and strong top-down control by their main predators (grey seals and saithe). In a no-change climate scenario these stocks recovered under sustainable management scenarios due to the cumulative effect of reduced fishing and predation mortalities cascading through the food-web. However, rising temperature jeopardised boreal stenothermal species: causing severe declines in grey seals, cod, herring and haddock, while eurythermal species were not affected. The positive effect of a higher optimum temperature for whiting, in parallel with declines of its predators such as seals and cod, resulted in a strong increase for this stock under rising temperature scenarios, indicating a possible change in the contribution of stocks to the overall catch by the end of the century. These results highlight the importance of including environmental change in the ecosystem approach to achieve sustainable fisheries management.
Original languageEnglish
Article number13438
JournalScientific Reports
Volume7
Early online date18 Oct 2017
DOIs
Publication statusPublished - 2017

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Fisheries
Gadiformes
Oceans and Seas
Ecosystem
Earless Seals
Temperature
Climate Change
Food Chain
Hot Temperature
Pressure
Mortality

Keywords

  • ecological modelling
  • ecosystem ecology

Cite this

Impact of ocean warming on sustainable fisheries management informs the Ecosystem Approach to Fisheries. / Serpetti, Natalia; Baudron, Alan R; Burrows, Michael ; Payne, Benjamin Luke ; Helaouet, Pierre; Fernandes, Paul G; Heymans, J J.

In: Scientific Reports, Vol. 7, 13438, 2017.

Research output: Contribution to journalArticle

Serpetti, Natalia ; Baudron, Alan R ; Burrows, Michael ; Payne, Benjamin Luke ; Helaouet, Pierre ; Fernandes, Paul G ; Heymans, J J. / Impact of ocean warming on sustainable fisheries management informs the Ecosystem Approach to Fisheries. In: Scientific Reports. 2017 ; Vol. 7.
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abstract = "An integrated ecosystem model including fishing and the impact of rising temperatures, relative to species’ thermal ranges, was used to assess the cumulative effect of future climate change and sustainable levels of fishing pressure on selected target species. Historically, important stocks of cod and whiting showed declining trends caused by high fisheries exploitation and strong top-down control by their main predators (grey seals and saithe). In a no-change climate scenario these stocks recovered under sustainable management scenarios due to the cumulative effect of reduced fishing and predation mortalities cascading through the food-web. However, rising temperature jeopardised boreal stenothermal species: causing severe declines in grey seals, cod, herring and haddock, while eurythermal species were not affected. The positive effect of a higher optimum temperature for whiting, in parallel with declines of its predators such as seals and cod, resulted in a strong increase for this stock under rising temperature scenarios, indicating a possible change in the contribution of stocks to the overall catch by the end of the century. These results highlight the importance of including environmental change in the ecosystem approach to achieve sustainable fisheries management.",
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note = "Acknowledgements Serpetti N., Heymans J.J., and Burrows M.T. were funded by the Natural Environment Research Council and Department for Environment, Food and Rural Affairs under the Marine Ecosystems Research Programme (MERP) (grant No. NE/L003279/1). Baudron A. and Fernandes, P.G. were founded by Horizon 2020 European research projects MareFrame (grant No. 613571) and ClimeFish (grant No. 677039). Payne, B.L. was founded by the Natural Environment Research Council and Department for Environment under the ‘Velocity of Climate Change’ (grant No. NE/J024082/1).",
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