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

Journal Article · · ICES Journal of Marine Science
ORCiD logo [1];  [2]; ORCiD logo [3];  [4];  [5];  [6];  [7];  [8];  [5]; ORCiD logo [9];
  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, Institut Français de Recherche pour l’Exploitation de la Mer (IFREMER), STH/LBH, BP 70, Plouzané 29280, France, Centro de Ciências do Mar (CCMAR), Universidade do Algarve, Campus de Gambelas, Faro 8005-139, Portugal
  2. Departamento de Biologia e Centro de Estudos do Ambiente e do Mar (CESAM), Universidade de Aveiro, Campus Universitário de Santiago, Aveiro 3810-193, Portugal, Departamento de Ecoloxía e Recursos Mariños, Instituto de Investigacións Mariñas (CSIC), Eduardo Cabello 6, Vigo 36208, Spain, Oceanlab, University of Aberdeen, Main Street, Newburgh, Aberdeenshire AB41 6AA, UK
  3. 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
  4. Gulbenkian Oceans Initiative, Fundação Calouste Gulbenkian, Av. de Berna, 45A, Lisbon 1067-001, Portugal
  5. Centro de Ciências do Mar (CCMAR), Universidade do Algarve, Campus de Gambelas, Faro 8005-139, Portugal
  6. Hellenic Centre for Marine Research, Institute of Marine Biological Resources and Inland Waters, PO Box 2214, Heraklion 71003, Greece
  7. 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
  8. Departamento de Física e Centro de Estudos do Ambiente e do Mar (CESAM), Universidade de Aveiro, Campus Universitário de Santiago, Aveiro 3810-193, Portugal
  9. Departamento de Biologia e Centro de Estudos do Ambiente e do Mar (CESAM), Universidade de Aveiro, Campus Universitário de Santiago, Aveiro 3810-193, Portugal

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.

Sponsoring Organization:
USDOE Office of Nuclear Energy (NE), Nuclear Fuel Cycle and Supply Chain
OSTI ID:
1615410
Journal Information:
ICES Journal of Marine Science, Journal Name: ICES Journal of Marine Science Journal Issue: 3 Vol. 77; ISSN 1054-3139
Publisher:
Oxford University PressCopyright Statement
Country of Publication:
United Kingdom
Language:
English

References (57)

Regional climate change in Portugal: precipitation variability associated with large-scale atmospheric circulation journal May 1998
Spatial patterns of groundfish assemblages on the continental shelf of Portugal journal June 2001
Sardine and horse mackerel recruitment and upwelling off Portugal journal June 2001
Climate-induced changes in fish landings of different fleet components of Portuguese fisheries journal October 2012
Trends in landings of fish species potentially affected by climate change in Portuguese fisheries journal August 2013
The role of environmental and fisheries multi-controls in white seabream (Diplodus sargus) artisanal fisheries in Portuguese coast journal December 2014
Environmental influence on commercial fishery landings of small pelagic fish in Portugal journal March 2015
Lagged social-ecological responses to climate and range shifts in fisheries journal October 2012
Do river discharge rates drive the overall functioning of the pelagic ecosystem over the continental shelf of the Bay of Biscay (NE Atlantic)? A comparison of two contrasting years with special reference to anchovy (Engraulis encrasicolus L.) nutritional state journal September 2010
The response of phytoplankton production to periodic upwelling and relaxation events at the Iberian shelf break: estimates by the 14C method and by satellite remote sensing journal April 2002
Spatial and temporal patterns of cuttlefish (Sepia officinalis) abundance and environmental influences – a case study using trawl fishery data in French Atlantic coastal, English Channel, and adjacent waters journal January 2003
Impact of a winter upwelling event on the distribution and transport of sardine (Sardina pilchardus) eggs and larvae off western Iberia: a retention mechanism journal January 2004
Time series analysis of flatfish landings in the Portuguese coast journal March 2009
Changes in the trophic level of Portuguese landings and fish market price variation in the last decades journal May 2009
Global fishing effort (1950–2010): Trends, gaps, and implications journal January 2011
Reconstructed catches and trends for mainland Portugal fisheries between 1938 and 2009: implications for sustainability, domestic fish supply and imports journal July 2014
Constructing stock abundance indices from catch and effort data: Some nuts and bolts journal January 2015
Are regional fisheries’ catches changing with climate? journal January 2015
An application of two techniques for the analysis of short, multivariate non-stationary time-series of Mauritanian trawl survey data journal January 2005
Willingness for mobility amongst European fishermen journal July 2010
Out of new stocks in 2020: A comment on “Not all fisheries will be collapsed in 2048” journal January 2009
Designed for failure: A critique of the Common Fisheries Policy of the European Union journal November 2010
Global fisheries subsidies: An updated estimate journal July 2016
The discard ban policy, economic trends and opportunities for the Portuguese fisheries sector journal January 2017
How subsidies affect the economic viability of small-scale fisheries journal August 2017
Physical oceanography of the western Iberia ecosystem: Latest views and challenges journal August 2007
Sub-regional ecosystem variability in the Canary Current upwelling journal December 2009
The Operational Sea Surface Temperature and Sea Ice Analysis (OSTIA) system journal January 2012
Common trends in northeast Atlantic squid time series journal June 2004
Experimental Design and Data Analysis for Biologists book January 2012
Structure, strength and seasonality of the slope currents in the Bay of Biscay region journal November 1990
Fisheries: Does catch reflect abundance? journal February 2013
Towards sustainability in world fisheries journal August 2002
Deep-sea crustacean trawling fisheries in Portugal: quantification of effort and assessment of landings per unit effort using a Vessel Monitoring System (VMS) journal January 2017
A comparative study of the species composition of discards from five fisheries from the Algarve (southern Portugal) journal February 2002
Climate change and abundance of the Atlantic-Iberian sardine (Sardina pilchardus) journal March 2004
Analysis of horse mackerel, blue whiting, and hake catch data from Portuguese surveys (1989–1999) using an integrated GLM approach journal April 2007
Trophic cascades triggered by overfishing reveal possible mechanisms of ecosystem regime shifts journal June 2007
Global analysis of depletion and recovery of seabed biota after bottom trawling disturbance journal July 2017
Cycles, trends, and residual variation in the Iberian sardine (Sardina pilchardus) recruitment series and their relationship with the environment journal December 2011
The evolution of a discard policy in Europe journal October 2013
Trends in NE Atlantic landings (southern Portugal): identifying the relative importance of fisheries and environmental variables journal May 2005
Long-term trends in fish recruitment in the north-east Atlantic related to climate change journal July 2007
Trawl-induced bottom disturbances off the south coast of Portugal: direct observations by the ‘Delta’ manned-submersible on the Submarine Canyon of Portimão: Effects of trawling in bottom communities journal September 2007
Using global catch data for inferences on the world’s marine fisheries: Catch data for fisheries inferences journal April 2012
Is catch-per-unit-effort proportional to abundance?
  • Harley, Shelton J.; Myers, Ransom A.; Dunn, Alistair
  • Canadian Journal of Fisheries and Aquatic Sciences, Vol. 58, Issue 9 https://doi.org/10.1139/f01-112
journal September 2001
Dynamic factor analysis to estimate common trends in fisheries time series journal May 2003
Interaction Between Stock Area, Stock Abundance, and Catchability Coefficient journal May 1985
Causes of Density-Dependent Catchability for Georges Bank Haddock Melanogrammus aeglefinus journal February 1990
Effects of Biomass–Range Interactions on Catchability of Migratory Demersal Fish by Mobile Fisheries: An Example of Atlantic Cod ( Gadus morhua ) journal May 1991
Characterizing Fishing Effort and Spatial Extent of Coastal Fisheries journal December 2010
New England Cod Collapse and the Climate journal July 2016
Effects of the North Atlantic Oscillation on Spanish catches of albacore, Thunnus alalunga, and yellowfin tuna, Thunnus albacares, in the North–east Atlantic Ocean journal January 2016
Effect of climate on recruitment success of Atlantic Iberian sardine Sardina pilchardus journal January 2001
Cod and climate: effect of the North Atlantic Oscillation on recruitment in the North Atlantic journal November 2006
Deep-Sea Mega-Epibenthic Assemblages from the SW Portuguese Margin (NE Atlantic) Subjected to Bottom-Trawling Fisheries journal November 2017
Sardine regime shifts off Portugal: a time series analysis of catches and wind conditions [Sardine regime shifts off Portugal: a time series analysis of catches and wind conditions] journal April 2003