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Title: What to Do with Unwanted Catches: Valorisation Options and Selection Strategies
Authors: Inarra, Bruno; Bald, Carlos; Cebrian, Marta; Antelo, Luis T. and Franco-Uria, Amaya; Antonio Vazquez, Jose; Perez-Martin, Ricardo I.; Zufia, Jaime
Abstract: The European Common Fisheries Policy (CFP) has established a landing obligation (LO) and the need for proper management of bycatches without incentivising their capture. Food use is the priority option but only unwanted catches (UWC) above minimum conservation reference size (MCRS) can be used for direct human consumption. As a result, other options, such as animal feeds, industrial uses or energy, should be considered to valorise landed < MCRS individuals. Two approaches have been developed to help select the best available option for processing UWC. The first methodology is based on a multi-criteria decision analysis (MCDA) using an analytic hierarchy process (AHP) that considers technical, economic and market criteria. As a sample case, we chose the Basque fleet fishing in the Bay of Biscay, developed within the H2020 DiscardLess project. The second approach is based on the simultaneous analysis of both economic and environmental aspects. This was applied to the case of Spanish bottom trawlers operating in ICES sub-Divisions VIIIc and IXa. Finally, various food products and bio compounds from typical UWC biomass were obtained in a pilot food processing plant developed within the LIFE iSEAS project.
Keywords: epsilon-constraint approach; Analytic hierarchy process; Biomolecules; Biorefinery; Bycatches; Discards management; In-land management; Landing obligation; Multi-criteria decision analysis; Unwanted catches; Valorisation; SCYLIORHINUS-CANICULA; CHONDROITIN SULFATE; RAJA-CLAVATA; BY-PRODUCTS; OPTIMIZATION; COMBINATION
Issue Date: 2019
Type: Article; Book Chapter
DOI: 10.1007/978-3-030-03308-8\_17
Appears in Publication types:Artículos científicos

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