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title Deep-sea crustacean trawling fisheries in Portugal: quantification of effort and assessment of landings per unit effort using a Vessel Monitoring System (VMS)
authors Bueno-Pardo, J; Ramalho, SP; Garcia-Alegre, A; Morgado, M; Vieira, RP; Cunha, MR; Queiroga, H
author full name Bueno-Pardo, Juan; Ramalho, Sofia P.; Garcia-Alegre, Ana; Morgado, Mariana; Vieira, Rui P.; Cunha, Marina R.; Queiroga, Henrique
title Deep-sea crustacean trawling fisheries in Portugal: quantification of effort and assessment of landings per unit effort using a Vessel Monitoring System (VMS)
nationality internacional
source SCIENTIFIC REPORTS
language English
document type Article
keywords plus ALGARVE SOUTHERN PORTUGAL; FLEET COMPONENTS; BOTTOM; SUSTAINABILITY; ECOSYSTEMS; MANAGEMENT; ATLANTIC; SEDIMENT; DISCARDS; IMPACTS
abstract Mapping and quantifying bottom trawling fishing pressure on the seafloor is pivotal to understand its effects on deep-sea benthic habitats. Using data from the Vessel Monitoring System of crustacean trawlers along the Portuguese margin, we have identified the most exploited areas and characterized the most targeted habitats and water depths. We estimated a total trawling effort of 69596, 66766, and 63427 h y(-1) for the years 2012, 2013, and 2014 respectively which, considering the total landings estimated for this gear, yield values of 20.76, 21.06, and 19.11 kg of landed fish per trawled hour. The main trawling pressure is exerted in the South and Southwest Portuguese margins, on muddy and muddy-sand bottoms between 200 and 700 m water depths, while in the North and Central-West coasts a minor effort, at shallower waters and across a wider range of habitats, is also applied. The most landed species are crustaceans such as rose shrimp and Norway lobster, although this varies importantly between the different regions of Portugal, being fish and cephalopods the main captures in the Northern ports. We discuss the consequences of trawling for the impacted communities as well as the characteristics of the commercialization of these captures in Portugal.
author address [Bueno-Pardo, Juan; Ramalho, Sofia P.; Garcia-Alegre, Ana; Morgado, Mariana; Vieira, Rui P.; Cunha, Marina R.; Queiroga, Henrique] Univ Aveiro, Dept Biol, P-3810193 Aveiro, Portugal; [Ramalho, Sofia P.] Univ Aveiro, Ctr Estudos Ambiente & Mar CESAM, P-3810193 Aveiro, Portugal; [Vieira, Rui P.] Univ Ghent, Marine Biol Res Grp, Krijgslaan 281 S8, B-9000 Ghent, Belgium; Univ Southampton, Ctr Southampton, Grad Sch Natl Oceanog, Waterfront Campus,European Way, Southampton SO14 3ZH, Hants, England
reprint address Bueno-Pardo, J (reprint author), Univ Aveiro, Dept Biol, P-3810193 Aveiro, Portugal.
e-mail address jbuenopardo@gmail.com
funding agency and grant number Calouste Gulbenkian Foundation [BPD/UI88/6454/2014]; MARES Grant; Portuguese Science Foundation [SFRH/BD/84030/2012]; CESAM [UID/AMB/50017]; FCT/MEC through national funds; FEDER
funding text This work, including J. Bueno-Pardo fellowship (BPD/UI88/6454/2014), was funded by the Calouste Gulbenkian Foundation, through the project
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cited reference count 42
publisher NATURE PUBLISHING GROUP
publisher city LONDON
publisher address MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
issn 2045-2322
29-character source abbreviation SCI REP-UK
iso source abbreviation Sci Rep
publication date JAN 18
year published 2017
volume 7
article number 40795
digital object identifier (doi) 10.1038/srep40795
page count 10
web of science category Multidisciplinary Sciences
subject category Science & Technology - Other Topics
document delivery number EI0SX
unique article identifier WOS:000392186100001
file bueno_pardo2017.pdf
link http://www.nature.com/articles/srep40795