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Dolphinfish living in a warming ocean: How global climate change is reshaping the distribution, physiology and behaviour of marine migratory species and their associated fisheries.

Project description

Casting light on climate change’s fishing impacts on dolphinfish

Shifting ranges of individual fisheries in response to ocean warming present a pressing problem. These shifts can disrupt economies when fish populations become less productive, relocate or venture outside traditional fishing grounds. Dolphinfish, a species highly responsive to climate change, demonstrate shifts in spawning areas and larval growth. Inhabiting tropical and subtropical waters worldwide, including the Mediterranean, dolphinfish support commercial, artisanal and recreational fisheries. The Balearic Islands serve as a paradigmatic case study area to understand how climate change impacts migrant fish species of commercial interest in Europe. The EU-funded Co-tRiP project aims to address the ecological and socio-economic consequences of climate change on dolphinfish in the north-western Mediterranean, using a multi-model approach to understand distribution shifts.

Objective

Ranges of individual fisheries are shifting in response to ocean warning. These shifts can cause economic disruptions if a fish population becomes less or more productive or moves out of traditional fishing grounds. Dolphinfish are known to exhibit strong responses to CC through shifts in spawning areas, larval growth, etc. Dolphinfish inhabit tropical and subtropical waters of the world, including Mediterranean, and it supports commercial, artisanal and recreational fisheries. Balearic Islands, provide a paradigmatic case-study area and fishery scenario for a process-based understanding of how CC may impact migrant species of commercial interest in Europe. Co-tRiP objective is to address ecological socioeconomic consequences of CC on a migrant pelagic fish species under fishing pressure in NW Med. Specific objectives include: 1) To estimate the effect of environmental variability on extension and localization of spawning area, phenology of reproduction and growth of dolphinfish; 2) to address how inter-annual variability of spatial distribution, phenology of reproduction and growth of species, and long-term environmental trends can be used in projecting impacts of CC, such as distribution shifts; 3) to evaluate how projected changes would potentially affect fisheries and anticipate the adjustment of industry. Using a multi-model approach, Co-tRiP will provide more insight into the effect of CC on distribution shift. Co-tRiP will build probabilistic maps, based on distribution models, for spawning area through merging disperses data from multiple sources. Models will be used to back-calculate environmental conditions for spawning in past and present, and project how these will change in future. Data will be used to feed a bio-economical model in order to project how phenological changes may impact fishery, and how it may use this information. Further projections on distribution and phenology will be performed using a suite of ensemble models based on CC scenarios.

Fields of science (EuroSciVoc)

Programme(s)

Topic(s)

Funding Scheme

MSCA-IF-EF-ST - Standard EF

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Call for proposal

(opens in new window) H2020-MSCA-IF-2016

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Coordinator

AGENCIA ESTATAL CONSEJO SUPERIOR DE INVESTIGACIONES CIENTIFICAS
Net EU contribution
€ 170 121,60
Address
CALLE SERRANO 117
28006 Madrid
Spain
Region
Comunidad de Madrid Comunidad de Madrid Madrid
Activity type
Research Organisations
Links
Total cost
€ 170 121,60