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Deep-water rose shrimp - Northern Spain
Fact Sheet Title  Fact Sheet
Stock status report 2021
Deep-water rose shrimp - Northern Spain
Fact Sheet Citation  
Parapenaeus longirostris - Northern Spain (GSA 6)
Owned byGeneral Fisheries Commission for the Mediterranean (GFCM) – ownership
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Species List:
Species Ref: en - Deep-water rose shrimp, fr - Crevette rose du large, es - Gamba de altura, ar - إيربيان وردية أعماق المياه, zh - 长额拟对虾, ru - Креветка розовая глубоководная

Fishery Indicators
Production: Catch
ident Block Deep-water rose shrimp - Northern Spain
Aq Res
Biological Stock: No         Value: Sub-Regional
Management unit: Yes        Reference year: 2019
 
 
Aq Res State Trend
Aq Res State Trend
Aq Res State Trend Aq Res State Trend
Aq Res State TrendIn overexploitation (F/Fref = 1.6)Not applicable
Aq Res State TrendRelative high biomassNot applicable
Aq Res State Trend
Aq Res State TrendNot applicable

In overexploitation, with relatively high biomass.
[The GFCM methodology to provide stock status and management advice is described in the Appendix F of the Sixteenth Session of the Scientific Advisory Committee Report. See the Bibliography section.]
Habitat Bio
Climatic Zone: Temperate.   Bottom Type: Soft bottom.   Depth Zone: Slope (200 m - 1000 m).   Horizontal Dist: Neritic.   Vertical Dist: Demersal/Benthic.  

Water Area Overview
Spatial Scale: Sub-Regional

Water Area Overview
Aq Res Struct
Biological Stock: No


Stock assessment in the GFCM area of application is often conducted by management units, based on GSAs. This method does not ensure that the whole stock is assessed, since stocks may cover several different management units. In some cases, when there is scientific evidence of a stock spreading through different GSAs, as well as information on species from different GSAs, existing information is combined across GSAs. This is then defined as a “joint stock assessment of a shared stock”. The GFCM recommends that when scientific evidence of shared stocks exists, joint stock assessments should be attempted. A number of activities aimed at achieving a better definition of stock boundaries are currently being conducted at the GFCM level. [The State of Mediterranean and Black Sea Fisheries, 2016]
Exploit
 

Deep-water rose shrimp is exploited by bottom trawlers. This fishery is developed along the deep continental shelf targeting hake and crustaceans. Vessel length was between 12–24 m. The number of harbours with deep-water rose shrimp landings is 25 for the whole area, and the number of vessels in this area is 354 for the last year (2019). Total landings in GSA 6 (2001–2019) were around 4 784 tonnes and 328 572 days. In 2019, landings were around 704 tonnes and total effort over 33 385 fishing days by year and CPUE medium, 21.1 kg/day. Discards of deep-water rose shrimp are negligible.
Fishery Indicators
TypeMeasureValueUnitTime period
ProductionCatch 704tonnes2019
Catch 914.6tonnes2018
Catch 634.7tonnes2017
Catch 471.3tonnes2016
Catch 174.6tonnes2015
Catch 156.8tonnes2014
Catch 109.4tonnes2013
Catch 115tonnes2012
Catch 114.2tonnes2011
Catch 144.6tonnes2010
Catch 120.7tonnes2009
Catch 104tonnes2008
Catch 107tonnes2007
Catch 123tonnes2006
Catch 102tonnes2005
Catch 76tonnes2004
Catch 116tonnes2003
Catch 165tonnes2002
Catch 331tonnes2001
Bio Assess
 
Data

Data used include size composition of commercial trawl catches, official landings and data from MEDITS surveys (2001-2019).
Biological parameters were obtained from studies carried out in the area: growth from Guijarro et al. (2009) and length-weight relationship and maturity ogive from the DCF; M vector calculated from PRODBIOM. (Abella et al., 1997).
Assess Models
Type:  Age-structured
XSA

XSA (FLR), FLBRP package was used for Y/R analysis and Flash package for the short-term forecast. This is a revised assessment. The assessment is based on the previous year but with minor model setting changes and indexes used.
Results

Recruitment, SSB and landings showed the highest values at the beginning and particularly at the end of the data series (2001-2019), with very low values in the intermediate years. Historical data showed that catches of this species are usually low. Both recruitment and SSB showed minimum values from 2004 to 2008. Fishing mortality showed an increasing trend in last four years.
Sci Advice

Reduce fishing mortality.
Management
Management unit: Yes
Sources
 
FAO. 2021. General Fisheries Commission for the Mediterranean. Report of the twenty-second session of the Scientific Advisory Committee on Fisheries, online, 22–25 June 2021. FAO Fisheries and Aquaculture Report No. 1347. Rome.  Click to openhttps://www.fao.org/3/cb7622en/cb7622en.pdf
Report of the Working Group on Stock Assessment of Demersal Species (WGSAD). Online, 18–23 January 2021.  Click to openhttps://www.fao.org/gfcm/technical-meetings/detail/en/c/1412431/
Stock assessment form for deep-water pink shrimp in GSA 6 (reporting year: 2020).  Click to openhttps://gfcmsitestorage.blob.core.windows.net/website/5.Data/SAFs/DemersalSpecies/2019/DPS_GSA_6_2019_ESP.pdf
Bibliography
 
FAO. 2020. The State of Mediterranean and Black Sea Fisheries 2020. General Fisheries Commission for the Mediterranean. Rome.  Click to openhttps://www.fao.org/3/cb2427en/cb2427en.pdf
FAO. 2016. The State of Mediterranean and Black Sea Fisheries. General Fisheries Commission for the Mediterranean. Rome, Italy.  Click to openhttps://www.fao.org/3/i5496e/i5496e.pdf
FAO General Fisheries Commission for the Mediterranean/Commission générale des pêches pour la Méditerranée. Report of the sixteenth session of the Scientific Advisory Committee. St. Julian’s, Malta, 17–20 March 2014/Rapport de la seizième session du Comité scientifique consultatif. Saint Julien, Malte, Malte, 17-20 mars 2014. FAO Fisheries and Aquaculture Report/FAO Rapport sur les pêches et l’aquaculture. No. R1102. Rome. 2015. 250 pp.  Click to openhttps://www.fao.org/3/i4381b/i4381b.pdf
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