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Fact Sheet Title Fact Sheet |
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Blue and red shrimp - Balearic Islands |
Aristeus antennatus - Balearic Islands (GSA 5) |
| Data Ownership | This document provided, maintained and owned by General Fisheries Commission for the Mediterranean (GFCM) , is part of GFCM Stock Status Reports data collection. |
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ident Block | ident Block | | Species List: | Species Ref: en - Blue and red shrimp, fr - Crevette rouge, es - Gamba rosada |
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| ident Block Blue and red shrimp - Balearic Islands Aq Res Ident Aq Res Ident Aq Res Ident gfcm Sub Area |
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5 | Balearic Islands |
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Aq Res | Biological Stock: Biological Stock
Value: Sub-Regional Management Unit: Management Unit
Reference Year: 2019
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Considered a management unit: An aquatic resource or fishery is
declared as [Fishery] Management Unit if it is
effectively the focus for the application of selected
management methods and measures, within the broader
framework of a management system. According to the FAO
Glossary for Responsible Fishing, "a Fishery Management
Unit (FMU) is a fishery or a portion of a fishery
identified in a Fishery Management Plan (FMP) relevant
to the FMP's management objectives." FMU's may be
organised around fisheries biological, geographic,
economic, technical, social or ecological dimensions ,
and the makeup and attribute of a fishery management
unit depends mainly on the FMP's management
objectives. |
Jurisdictional distribution: Jurisdictional qualifier (e.g.
"shared", "shared - highly migratory") of the aquatic
resource related with its spatial distribution. |
Environmental group: Classification of the aquatic
resource according to the environmental group (e.g.
pelagic invertebrate, or demersal fish) to which the
species belong. |
| | | | Aq Res State Trend In overexploitation, with relatively intermediate 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 1000m; Abyssal >1000m. Horizontal Dist: Neritic; Oceanic. Vertical Dist: Demersal/Benthic. Water Area Overview Spatial Scale: Spatial Scale Water Area Overview | Water Area Overview Blue and red shrimp - Balearic Islands
gfcm Sub Area | 5: Balearic Islands |
| | | | Water Area Overview
| | | | Water Area Overview |
Water Area OverviewBlue and red shrimp - Balearic Islands Aq Res Struct Biological Stock: Biological Stock 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 In the Balearic Islands, commercial bottom trawlers develop up to four different fishing tactics, which are associated with the shallow shelf, deep shelf, upper slope and middle slope, mainly targeting: i) picarel, striped red mullet, common octopus, and a mixed fish category on the shallow shelf (50-80 m); ii) European hake, Mullus spp., john dory, and a mixed fish category on the deep shelf (80-250 m); iii) Norway lobster, but with an important bycatch of big European hake, Lepidorhombus spp., Lophius spp. and blue whiting on the upper slope (350-600 m) and iv) blue and red shrimp on the middle slope (600-750 m). Blue and red shrimp is a target species with a high economic importance. Bio Assess Data Size composition of commercial trawl catches and official landings (1992-2019) and CPUE data from bottom trawl surveys (2001-2019). Growth parameters, length-weight relationship and maturity ogive obtained in the study area (Carbonell et al. al., 1999, DCF data). Length was transformed to age by sex and the combined results were used for the assessment. Assess Models Type: Age-structured a4a SCAA (a4a, FLR) and Y/R (FLRBRP package). Results Recruitment showed oscillations along the data series, with an increasing trend since the minimum values in 2014. SSB also showed a slightly increasing trend, after a minimum in 2015. F values were stable for the last four years of the data series. Sci Advice Reduce fishing mortality. STF available. Management Management: Management 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. https://www.fao.org/3/cb7622en/cb7622en.pdfReport of the Working Group on Stock Assessment of Demersal Species (WGSAD). Online, 18–23 January 2021. https://www.fao.org/gfcm/technical-meetings/detail/en/c/1412431/ Bibliography FAO. 2020. The State of Mediterranean and Black Sea Fisheries 2020. General Fisheries Commission for the Mediterranean. Rome. https://www.fao.org/3/cb2427en/cb2427en.pdfFAO. 2016. The State of Mediterranean and Black Sea Fisheries. General Fisheries Commission for the Mediterranean. Rome, Italy. https://www.fao.org/3/i5496e/i5496e.pdfFAO 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. https://www.fao.org/3/i4381b/i4381b.pdf |
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