Habitat Bio
Climatic Zone: Tropical. Bottom Type: Soft bottom muddy or muddy-sand. Depth Zone: Coastal (0 m - 50 m); Shelf - Uppershelf (up to 100 m). Horizontal Dist: Estuarine. Vertical Dist: Demersal/Benthic.
Tanzania identified beach erosion, degradation of coral reefs, sea surface temperature increase and acidification as the main phenomena related to climatic events.
Exploit
Estimated Catch (Tons / year). Catch trend: Stable. CPUE Trend: Stable. Effort Trend: Increasing. The moratorium has been lifted for a short period, to confirm the recovery of the stock.
Fishery Indicators
| Type | Measure | Value | Unit | Time period |
|---|
| Production | Catch | 1,422 | tonnes | 2017 |
Bio Assess
Uncertainty: Low
Data
In Tanzania, a CAS system is implemented to collect and manage fisheries data.
Assess Empirical Approach
Type: Expert Knowledge
Management
Management unit: Yes
The shallow-water prawn fishery is subjected to a moratorium on industrial fishing since 2007, but artisanal fishers continued to fish until 2017. Since then, they were also requested to follow the closure. In 2018, the fishery will be open from 1st April to 31st August.
• Management plan title: Prawn Fishery Management Plan.
• Main problems the plan intends to solve: Overexploitation of the stock.
• Management actions taken: MP developed. The moratorium was lifted; there are strict measures for vessels licensing.
• Year start of progress: 2012.
• Results obtained: Moratorium interrupted.
• Difficulties/constraints encountered: Monitoring artisanal fishers. Fishers want to fish while management body want to restrict the fishery.
• Current status: Slight recovery. Six vessels have been proposed to start fishing.
Sources
FAO. 2019. Report of the Eighth Session of the Scientific Committee of the Southwest Indian Ocean Fisheries Commission. Maputo, Mozambique, 12–15 February 2018. Rapport de la huitième session du Comité Scientifique de la Commission des Pêches pour le Sud-Ouest de l’Océan Indien. Maputo, Mozambique, 12–15 février 2018. FAO Fisheries and Aquaculture Report/FAO Rapport sur les pêches et l’aquaculture No.1260. Maputo. 120 pp. Licence: CC BY-NC-SA 3.0 IGO.
http://www.fao.org/3/ca4303b/ca4303b.pdf
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