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Your search for "2425" gave back 230 results.

Stock assessment of the Lake Nasser fishery: Policy brief for better resource use

The decline in fish landings and the reduction in the marketing value of fish from Lake Nasser can be attributed to improper fishing practices and unsuitable fish handling. Such practices have a negative economic impact on fishstocks, fishers’ income, ...

Type: Publication

Management plan for the Lake Nasser fishery

Fish from Lake Nasser are an important source of animal protein in Upper Egypt. However, stocks are overfished and catches are decreasing. In 2017, WorldFish, as part of the Youth Employment in Aswan Governorate: Extension of Fisheries and Aquaculture ...

Type: Publication

Analysis of optimal habitat for captive release of the sea cucumber Holothuria scabra

The success of marine stocking programs hinges on releasing hatchery-produced juvenile animals into the optimal marine habitat. This study sought to identify optimal microhabitat features of coastal seagrass meadows for juvenile sea cucumbers Holothuria ...

Type: Publication

Are shrimp farmers actual gamblers? An analysis of risk perception and risk management behaviors among shrimp farmers in the Mekong Delta

Shrimp farming is considered a “risky business” and often compared to gambling for farmers. It is associated with a diverse range of risks and uncertainties, including volatile markets, climate variability, and production risks. In order to mitigate the ...

Type: Publication

Catch assessment of Sardinella maderensis in the Ocean Division, Cameroon

Catch assessment estimates for the motorized and non-motorized canoes at Boa-Manga (Cameroon) were found to be 5.13 and 2.70 t/year, respectively, leading to an estimated lower limit for the production of the Ocean division (100 km coastline) of 1190 t ...

Type: Publication

The Japanese restocking program

In scale of operations, variety of species produced, amount of financial backing, and degree of popular and official support, the Japanese fisheries restocking program (saibai gyogyo) is unique. From its birth in 1962 when the government established two ...

Type: Publication

A workshop on length-based methods in fisheries analysis in the Solomon Islands

A brief account is given of a workshop organized by the South Pacific Research Coordination Unit of the ForumFisheries Agency in order to examine the use of length frequency data as a tool in fish population assessment in the South Pacific region. The ...

Type: Publication

Application of length-based stock assessments to Kuwait's fish stocks

This article examines the suitability of length-based methods for providing regular assessments of the stocks of the more important commercial fish species in Kuwait. To date, comparisons of age-based and length-based methods have been carried out for 3 ...

Type: Publication

Correction to the Beverton and Holt Z-estimator for truncated catch length-frequency distributions

A method for estimating the instantaneous mortality rate (Z) is presented which was developed from a truncated equation for average length. The model has zero bias at equilibrium, but has no explicit solution for Z so that its solution requires a ...

Type: Publication

Effects of stocking density on production and economics of all-male tilapia (Oreochromis niloticus) culture in a rain fed rice-fish ecosystem

Effects of stocking density on the growth, production, and economics of all-male tilapia (Oreochromis niloticus) were investigated in a rain-fed rice-fish ecosystem for a period of 120 days. Fish were stocked at the rate of 4000, 5000, and 6000 ha-1 in ...

Type: Publication

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