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Bonga shad - Nigeria and Cameroon
Marine Resource  Fact Sheet
CECAF Scientific advice 2016
Bonga shad - Nigeria and Cameroon
Fact Sheet Citation  
Ethmalose (Ethmalosa fimbriata) - stock centre (Nigéria et Cameroun)
Owned byFood and Agriculture Organization (FAO) – More
Monitoring periodPreviously monitored as: Bonga shad - Southern Area of Eastern Central Atlantic
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Related observationsLocate in inventorydisplay tree map
 
Species:
FAO Names: en - Bonga shad, fr - Ethmalose d'Afrique, es - Sábalo africano, ru - Бонга

Fishery Indicators
Production: Catch
Geographic extent of Bonga shad - Nigeria and Cameroon
Main Descriptors
Considered a single stock: Yes        Spatial Scale: Regional
Management unit: Yes        Reference year: 2012
 
 
Biological State and Trend
State & Trend Descriptors
FAO Categories
Exploitation stateUncertain/Not assessed
Habitat and Biology
Climatic zone: Tropical.   Depth zone: Coastal (0 m - 50 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 19777tonnes1990
Catch 47387tonnes1991
Catch 45667tonnes1992
Catch 32501tonnes1993
Catch 34248tonnes1994
Catch 39080tonnes1995
Catch 32592tonnes1996
Catch 39260tonnes1997
Catch 41636tonnes1998
Catch 31789tonnes1999
Catch 30070tonnes2000
Catch 32049tonnes2001
Catch 36098tonnes2002
Catch 60471tonnes2003
Catch 53587tonnes2004
Catch 58806tonnes2005
Catch 59989tonnes2006
Catch 57032tonnes2007
Catch 57938tonnes2008
Catch 23411tonnes2009
Catch 24757tonnes2010
Catch 24112tonnes2011
Catch 23335tonnes2012
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”.
Overall Assessment Results

No assessment made, but catches were stable in the last years.
Scientific Advice

As a precautionary measure, do not exceed the average of the 5 last years (24 000 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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