Trends and drivers of marine fish landings in Portugal since its entrance in the European Union

Type Article
Date 2020-05
Language English
Author(s) Bueno-Pardo Juan1, 2, 3, Pierce Graham J1, 4, 5, Cabecinha Edna6, Grilo Catarina7, Assis Jorge3, Valavanis Vasilis8, Pita Cristina9, Dubert Jesus-Pedreira10, Leitão Francisco3, Queiroga Henrique1
Affiliation(s) 1 : Departamento de Biologia e Centro de Estudos do Ambiente e do Mar (CESAM), Universidade de Aveiro, Campus Universitário de Santiago, Aveiro 3810-193, Portugal
2 : Institut Français de Recherche pour l’Exploitation de la Mer (IFREMER), STH/LBH, BP 70, Plouzané 29280, France
3 : Centro de Ciências do Mar (CCMAR), Universidade do Algarve, Campus de Gambelas, Faro 8005-139, Portugal
4 : Departamento de Ecoloxía e Recursos Mariños, Instituto de Investigacións Mariñas (CSIC), Eduardo Cabello 6, Vigo 36208, Spain
5 : Oceanlab, University of Aberdeen, Main Street, Newburgh, Aberdeenshire AB41 6AA, UK
6 : Department of Biology and Environment, Centro de Investigação e Tecnologias Agroambientais e Biológicas (CITAB), Universidade de Trás-os-Montes and Alto Douro, Quinta de Prados, Vila Real 5001-801, Portugal
7 : Gulbenkian Oceans Initiative, Fundação Calouste Gulbenkian, Av. de Berna, 45A, Lisbon 1067-001, Portugal
8 : Hellenic Centre for Marine Research, Institute of Marine Biological Resources and Inland Waters, PO Box 2214, Heraklion 71003, Greece
9 : Departamento de Ambiente e Ordenamento e Centro de Estudos do Ambiente e do Mar (CESAM), Universidade de Aveiro, Campus Universitário de Santiago, Aveiro 3810-193, Portugal
10 : Departamento de Física e Centro de Estudos do Ambiente e do Mar (CESAM), Universidade de Aveiro, Campus Universitário de Santiago, Aveiro 3810-193, Portugal
Source Ices Journal Of Marine Science (1054-3139) (Oxford University Press (OUP)), 2020-05 , Vol. 77 , N. 3 , P. 988-1001
DOI 10.1093/icesjms/fsaa010
WOS© Times Cited 5
Keyword(s) fisheries, landings, landings per unit effort, Portugal, purse-seine, trawling
Abstract

Marine landings in Portugal have decreased at a higher rate than fishing effort in the last 20 years. Identifying the variables driving the quantity and composition of landings is pivotal to understand the dynamics of the fisheries sector, which entails complex social and environmental aspects. In this study, we investigate the main drivers of marine fish landings in continental Portugal between 1989 and 2014. To identify common trends in time series, and quantify the importance of environmental factors, we applied a dynamic factor analysis considering four regions and three types of gear (trawling, purse-seine, and a multi-gear fishery). Our results show the importance of fishing effort as the most relevant factor driving marine landings in Portugal, both at the long and short terms. In addition, the effect of environmental factors such as the winter river discharge and the spring East Atlantic Teleconnection index should not be neglected, probably through mechanisms affecting coastal productivity. We provide a comprehensive amount of information that permits to improve our understanding of the trends of the most important commercial species in Portugal during the period of study.

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Bueno-Pardo Juan, Pierce Graham J, Cabecinha Edna, Grilo Catarina, Assis Jorge, Valavanis Vasilis, Pita Cristina, Dubert Jesus-Pedreira, Leitão Francisco, Queiroga Henrique (2020). Trends and drivers of marine fish landings in Portugal since its entrance in the European Union. Ices Journal Of Marine Science, 77(3), 988-1001. Publisher's official version : https://doi.org/10.1093/icesjms/fsaa010 , Open Access version : https://archimer.ifremer.fr/doc/00609/72090/