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How a multidisciplinary approach involving ethnoecology, biology and fisheries can help explain the spatio-temporal changes in marine fish abundance resulting from climate change

Predicting the impact of climate change on marine ecosystems or how fish and other species are adapting to rising sea temperatures is still subject to much uncertainty, despite considerable progress in recent years. In this study we assess whether our understanding of the impact of sea warming on marine fish can be enhanced with an interdisciplinary approach that collates data from fisheries, fishermen and scientific research. By doing this, we aim to shed light on the major changes in the abundance and diversity of warm and cold water fish in recent decades in relation to sea warming. Location: This study was conducted in the north-western Mediterranean, where the impacts of global warming are particularly critical because range shifts are physically constrained. Methods: We collected and combined statistical data from fisheries, the traditional ecological knowledge of fishermen (TEK), reproductive data (histological gonad analyses and ichthyoplankton surveys) and extensive research into the relevant literature (including systematic catalogues and museum collections and their databases). Results: We have found that changes in the abundance of fish have followed a particular spatio-temporal sequence, with three different phases of colonization in the case of warm-water species (occasional occurrence, common presence and establishment), and three phases of regression (abundance reduction, range contraction and disappearance from the catch) in the case of cold-water species. Main conclusions: Overall, the results show that this multidisciplinary approach, combining qualitative and quantitative information from different sources, provides new insight into the observed changes in fish diversity and abundance in relation to climate change

This study was financed by the Abertis Foundation (http://www.fundacioabertis.org/). In addition, J.L. benefited from a Ramon y Cajal Research contract from the Spanish Ministry of Economy and Competitiveness. A.S. was partially supported by the project MAR-CTM2010-18874

© Global Ecology and Biogeography, 2015, vol. 24, núm. 4, p. 448-461

Wiley

Author: Lloret Romañach, Josep
Sabatés, Ana
Muñoz Frigola, Marta
Demestre, Montserrat
Solé, Ignasi
Font, Toni
Casadevall, Margarida
Martín, Paloma
Gómez, Sílvia
Date: 2015 April
Abstract: Predicting the impact of climate change on marine ecosystems or how fish and other species are adapting to rising sea temperatures is still subject to much uncertainty, despite considerable progress in recent years. In this study we assess whether our understanding of the impact of sea warming on marine fish can be enhanced with an interdisciplinary approach that collates data from fisheries, fishermen and scientific research. By doing this, we aim to shed light on the major changes in the abundance and diversity of warm and cold water fish in recent decades in relation to sea warming. Location: This study was conducted in the north-western Mediterranean, where the impacts of global warming are particularly critical because range shifts are physically constrained. Methods: We collected and combined statistical data from fisheries, the traditional ecological knowledge of fishermen (TEK), reproductive data (histological gonad analyses and ichthyoplankton surveys) and extensive research into the relevant literature (including systematic catalogues and museum collections and their databases). Results: We have found that changes in the abundance of fish have followed a particular spatio-temporal sequence, with three different phases of colonization in the case of warm-water species (occasional occurrence, common presence and establishment), and three phases of regression (abundance reduction, range contraction and disappearance from the catch) in the case of cold-water species. Main conclusions: Overall, the results show that this multidisciplinary approach, combining qualitative and quantitative information from different sources, provides new insight into the observed changes in fish diversity and abundance in relation to climate change
This study was financed by the Abertis Foundation (http://www.fundacioabertis.org/). In addition, J.L. benefited from a Ramon y Cajal Research contract from the Spanish Ministry of Economy and Competitiveness. A.S. was partially supported by the project MAR-CTM2010-18874
Format: application/pdf
ISSN: 1466-822X (versió paper)
1466-8238 (versió electrònica)
Document access: http://hdl.handle.net/10256/10983
Language: eng
Publisher: Wiley
Collection: MINECO/MAR-CTM2010-18874
Reproducció digital del document publicat a: http://dx.doi.org/10.1111/geb.12276
Articles publicats (D-CCAA)
Is part of: © Global Ecology and Biogeography, 2015, vol. 24, núm. 4, p. 448-461
Rights: Tots els drets reservats
Subject: Peixos -- Adaptació
Fishes -- Adaptation
Peixos -- Factors climàtics
Fishes -- Climatic factors
Title: How a multidisciplinary approach involving ethnoecology, biology and fisheries can help explain the spatio-temporal changes in marine fish abundance resulting from climate change
Type: info:eu-repo/semantics/article
Repository: DUGiDocs

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