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Madeiran sardinella - Côte d'Ivoire, Ghana, Togo and Benin
Marine Resource  Fact Sheet
CECAF Scientific advice 2016
Madeiran sardinella - Côte d'Ivoire, Ghana, Togo and Benin
Fact Sheet Citation  
Sardinelle plate (Sardinella maderensis) - stock ouest (Côte d'Ivoire, Ghana, Togo et Bénin); Flat sardinella (Sardinella maderensis) - western stock (Côte d'Ivoire, Ghana, Togo and Benin)
Owned byFood and Agriculture Organization (FAO) – More
Monitoring periodPreviously monitored as: Sardinellas - Cote d'Ivoire, Ghana, Togo and Benin
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Related observationsLocate in inventorydisplay tree map
 
Species:
FAO Names: en - Madeiran sardinella, fr - Grande allache, es - Machuelo

Fishery Indicators
Production: Catch
Geographic extent of Madeiran sardinella - Côte d'Ivoire, Ghana, Togo and Benin
Main Descriptors
Considered a single stock: Yes        Spatial Scale: Regional
Management unit: Yes        Reference year: 2012
 
 
Biological State and Trend
State & Trend Descriptors
PartnerFIRMS
Exploitation rateFcur/F0.1 = 106% ; Fcur/FMSY = 96%Not applicable
Abundance levelBcur/B0.1 = 105%Not applicable
FAO Categories
Exploitation stateFully exploited

Fcur/F0.1: Ratio between the observed fishing mortality coefficient during the last year of the series and F0.1.
Fcur/FMSY: Ratio between the observed fishing mortality coefficient during the last year of the series and the coefficient that would give a maximum sustainable yield over the long term.
Bcur/B0.1: Ratio between the estimated biomass for the last year and the biomass corresponding to F0.1.
Unless otherwise indicated, the indicators were based on the Schaefer dynamic production stock assessment model.
Habitat and Biology
Climatic zone: Tropical.   Depth zone: Coastal (0 m - 50 m); Shelf (50 m - 200 m); Slope (200 m - 1000 m).   Vertical distribution: Pelagic.  

Geographical Distribution
Jurisdictional distribution: Shared between nations

Water Area Overview
Spatial Scale: Regional

Geo References
Resource Structure
Considered a single stock: Yes
Exploitation
 
Fishery Indicators
TypeMeasureValueUnitTime period
ProductionCatch 16166tonnes1990
Catch 8951tonnes1991
Catch 14667tonnes1992
Catch 17241tonnes1993
Catch 13225tonnes1994
Catch 13605tonnes1995
Catch 14326tonnes1996
Catch 16186tonnes1997
Catch 17467tonnes1998
Catch 15095tonnes1999
Catch 17527tonnes2000
Catch 20886tonnes2001
Catch 16886tonnes2002
Catch 17977tonnes2003
Catch 29836tonnes2004
Catch 16454tonnes2005
Catch 27279tonnes2006
Catch 14823tonnes2007
Catch 17557tonnes2008
Catch 8209tonnes2009
Catch 13577tonnes2010
Catch 11570tonnes2011
Catch 13855tonnes2012
Assessment
 

Assessment year: 2014
The CECAF Working Groups have adopted the following Biological Reference Points (BRPs):
- Limit Reference points: BMSY and FMSY
- Target Reference Points: B0.1 and F0.1
Stock status is assigned based on current estimates of fishing mortality (Fcur) and biomass (Bcur) relative to these target and limit reference points (Bcur/BMSY, Fcur/FMSY, Bcur/B0.1, Fcur/F0.1). The results from the stock assessment of this stock are found under the “Biological state and trend section”.
Assessment Model
Type:  Biomass-aggregated
Schaefer dynamic production model
Scientific Advice

This species is caught together with S.aurita which is considered overexploited caution is called for. As a precautionary measure, catch level should not exceed the average of the 5 last years (13 000 tonnes).
Management
Management unit: Yes
Source of information
 
FAO. 2016. Fishery Committee for the Eastern Central Atlantic, Report of the seventh session of the Scientific Sub-Committee, Tenerife, Spain, 14–16 October 2015 / Comité des pêches pour l’Atlantique Centre-Est Rapport de la septième session du Sous-Comité scientifique. Tenerife, Espagne 14-16 octobre 2015. FAO Fisheries and Aquaculture Report / FAO Rapport sur les pêches et l’aquaculture No. 1128. Rome, Italy.  Click to openhttp://www.fao.org/3/a-i5301b.pdf
FAO. 2015. Report of the FAO/CECAF Working Group on the Assessment of Small Pelagic Fish – Subgroup South. Pointe Noire, Congo, 17–23 March 2014. Rapport du Groupe de travail FAO/COPACE sur l’évaluation des petits poissons pélagiques – Sous-groupe Sud. Pointe Noire, Congo, 17-23 mars 2014. CECAF/ECAF Series / COPACE/PACE Séries No. 15/75 Rome, FAO. 157 pp.  Click to openhttp://www.fao.org/3/a-i5040b.pdf
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