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Sustainable management of mesopelagic resources

Project description

Fishing sustainably at greater depths

The SUMMER project will explore recent findings that suggest that the mesopelagic zone of oceans contains 90 % of the planet’s fish biomass. Even if a fraction of this is correct, the exploitation potential in fishmeal production, nutraceuticals and pharmaceuticals is enormous. However, as the role of mesopelagic fish is not understood in terms of the ecosystem, it is first necessary to establish tools to accurately estimate their biomass and the interspecies impact at that level. Using eDNA, acoustics and gut analysis among other tools, SUMMER will also investigate the environmental repercussions of such exploitation. The resulting outcome will provide a better idea of the mesopelagic commercial potential and its impact on ecosystem balances.

Objective

The mesopelagic layer is one of the least understood ecosystems on Earth. Recent research suggests that the fish biomass in the mesopelagic ecosystem might be 10 times higher than previously thought, and therefore represent 90 % of the fish biomass of the planet. However, this estimate is subject to a high degree of uncertainty in the fraction of the community that is fish. The potential high biomass has raised interest in its exploitation, mainly as a fish meal, but other potential exploitation pathways for high value compounds, such as nutraceuticals and pharmaceuticals, are possible. Nevertheless, if the biomass is as high as estimated, mesopelagic fish may play a key role in ecosystem services, such as sustaining other commercially relevant species and carbon sequestration. SUMMER will establish a protocol to accurately estimate mesopelagic fish biomass, quantify the ecosystem services provided by the mesopelagic community (food, climate regulation and potential for bioactive compounds) and develop a decision support tool to measure the trade-offs between the different services. Combining eDNA with in situ acoustics and trawls SUMMER will obtain an accurate assessment of the composition and biomass of the mesopelagic community. Gut content analysis, molecular markers and stable isotopes will allow quantification of the vertically integrated trophic network, linking to commercial and charismatic species. Models will be used to estimate the impact of fishing scenarios on trophic network stability and carbon sequestration. Mesopelagic organisms will be tested for their potential as fish meal, nutra and pharmaceuticals. The project will develop a decision support tool to enable accounting for trade-offs between services in when considering sustainable use of mesopelagic resources. Finally, a range of interactions with stakeholders, policy makers and public will ensure that any strategy to exploit the mesopelagic ecosystem takes account of all the consequences.

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RIA - Research and Innovation action

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Call for proposal

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(opens in new window) H2020-BG-2018-2020

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Coordinator

FUNDACION AZTI - AZTI FUNDAZIOA
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 638 045,00
Address
TXATXARRAMENDI UGARTEA Z/G
48395 Sukarrieta
Spain

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Region
Noreste País Vasco Bizkaia
Activity type
Research Organisations
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

€ 638 045,00

Participants (23)

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