Black scabbardfish (Aphanopus carbo) longline fishery off the Portuguese continental coast: Spatial information in support of deep-sea fisheries regulations

Campos, Aida; Leitão, Pedro; Sousa, Luís; Henriques, Victor

Publication

Black scabbardfish (Aphanopus carbo) longline fishery off the Portuguese continental coast: Spatial information in support of deep-sea fisheries regulations

2025-11Journal article

dc.contributor.author	Campos, Aida
dc.contributor.author	Leitão, Pedro
dc.contributor.author	Sousa, Luís
dc.contributor.author	Henriques, Victor
dc.date.accessioned	2025-12-16T11:05:37Z
dc.date.available	2025-12-16T11:05:37Z
dc.date.issued	2025-11
dc.description.abstract	The main objective of this study is to provide, for the first time, fisheries-dependent, spatially explicit information on the activity for the black scabbard fish (Aphanopus carbo) longline fleet operating off the Portuguese coast. Fisheries monitoring data were analysed, covering the period 2014-2016, aiming at identifying deep-sea fishing grounds, gaining a better understanding of the fleet spatial dynamics, quantifying fishing effort and providing information on the species distribution and abundance. E-logbooks were used to define general patterns of fishing activity, while the combined analysis of Vessel Monitoring System (VMS) and Automatic Identification System (AIS) data allowed to spatially identify fishing trips and define haul-back trajectories corresponding to fishing events. A total of 19 vessels were found to be involved in this fishery, mainly operating at depths from 1000 to 1500 m, landing the black scabbard fish in two main ports located in the centre and three secondary ports in the northern region. Fishing effort and catch per unit of effort (CPUE) were estimated and mapped for the period in study and the geographic extension of the fishery in the Portuguese continental slope was highlighted. Vessels keep their activity spatially restricted, in a clear strategy to avoid competition; their areas of activity are contiguous and generally related to the closest port. Some recommendations are drawn in support of a continuous monitoring programme for this fishery.	eng
dc.identifier.doi	10.1016/j.aaf.2025.02.002
dc.identifier.issn	2468-550X
dc.identifier.uri	http://hdl.handle.net/10400.1/27958
dc.language.iso	eng
dc.peerreviewed	yes
dc.publisher	Elsevier
dc.relation.ispartof	Aquaculture and Fisheries
dc.rights.uri	http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subject	Black scabbard fish
dc.subject	Aphanopus carbo
dc.subject	EU policies
dc.subject	Deep-sea longline fisheries fishing effort
dc.subject	CPUE
dc.subject	Portuguese continental coast
dc.title	Black scabbardfish (Aphanopus carbo) longline fishery off the Portuguese continental coast: Spatial information in support of deep-sea fisheries regulations	eng
dc.type	journal article
dspace.entity.type	Publication
oaire.citation.endPage	1078
oaire.citation.issue	6
oaire.citation.startPage	1069
oaire.citation.title	Aquaculture and Fisheries
oaire.citation.volume	10
oaire.version	http://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyName	Campos
person.familyName	Leitão
person.familyName	Henriques
person.givenName	Aida
person.givenName	Pedro
person.givenName	Victor
person.identifier	134652
person.identifier.ciencia-id	FD1D-549D-6B28
person.identifier.ciencia-id	F11C-1209-1C9B
person.identifier.orcid	0000-0002-5972-6266
person.identifier.orcid	0000-0003-1279-5552
person.identifier.orcid	0000-0002-0894-3543
person.identifier.rid	A-3984-2012
person.identifier.rid	M-4040-2013
person.identifier.scopus-author-id	7202214975
person.identifier.scopus-author-id	24068481500
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