Growth, mortality and recruitment of commercially important fishes and penaeid shrimps in Indonesian waters.

Estimates of von Bertalanffy growth parameters were derived through application of the ELEFAN I program to lengthfrequency data from 52 stocks and 36 species of commercially important bony fishes from Indonesian waters, and to 9 different cohorts of a stock of penaeid shrimp (Penaeus merguiensis) from the Arafura Sea. Derived quantities such as total, natural and fishing mortality estimates, as well as selection and recruitment patterns were then obtained by application of the ELEFAN II program to these same length-frequency data.

Grow-out of sandfish Holothuria scabra in ponds shows that co-culture with shrimp Litopenaeus stylirostris is not viable

We examined the potential for producing the large numbers of sandfish (Holothuria scabra) needed for restocking programmes by co-culturing juveniles with the shrimp Litopenaeus stylirostris in earthen ponds. Our experiments in hapas within shrimp ponds were designed to detect any deleterious effects of sandfish on shrimp, and vice versa. These experiments showed that a high stocking density of juvenile sandfish had no significant effects on growth and survival of shrimp.

The good, the bad and the ugly: discourse, policy controversies and the role of science in the politics of shrimp farming development.

This article revisits through a policy analysis the ongoing debate on shrimp farming aquaculture. It describes the changes in policy orientations that have takenplace in recent years, and tries to relate them to the advocacy strategies developed by different networks and policy communities. The analysis reveals in particular the crucial contribution of the 'power of expertise' and shows how it has been instrumentalised by certain advocacy networks to depoliticise the debate.

Feasibility of shrimp culture in Brunei Darussalam.

The US-ASEAN Coastal Resources Management Project Team assessed the feasibility of brackish pond aquaculture development in Brunei. More than 2000 ha are identified as high priority sites for fishfarm development. Designs of brackishwater aquaculture farms with P. monodon as the target species, are prepared, together with estimates of development costs. The pond culture systems studied considered appropriate for Brunei are earthen ponds for semi-intensive culture, concrete-lined earthen ponds and fully concreted pond walls, both for intensive culture system.

The farming practices and economics of aquaculture in Thailand

The paper reviews freshwater and coastal aquaculture practices in Thailand, and compares the productivity, costs, and benefits across various types of cultivation and various intensities of production. The paper is based on data that were collected in surveys conducted during 1998-2001 by the Department of Fisheries (DOF), Thailand and the WorldFish Center. More than 22% of Thailand's fish supply comes from aquaculture, with coastal aquaculture accounting for more than 88% of this in terms of value.

Experimental evaluation of co-culture of juvenile sea cucumbers, Holothuria scabra (Jaeger), with juvenile blue shrimp, Litopenaeus stylirostris (Stimpson).

The co-culture of juvenile sea cucumber Holothuria scabra (Jaeger), or ‘sandfish’, with juvenile blue shrimp Litopenaeus stylirostris (Stimpson) was tested by growing groups in co-culture and monoculture for 3 weeks in tanks with enriched sand substratum. Feedwas supplied on trays, accessible only to shrimp. Survival of shrimp and sandfish was high in all treatments (73-100%).

Environment and aquaculture in developing countries.

Contains 15 reviews on the environmental impact of aquaculture including inland and coastal ecosystems, integration of agriculture and aquaculture, shrimp culture, antibiotics and other trace environmental contaminants, toxic algal blooms, socioeconomic aspects and regional overviews for Africa, Asia and Latin America. These are also transcripts of discussions on these topics, with recommendations and a framework for decisionmaking when considering the environmental impact of aquaculture development.

The Economics of Shrimp farming in Selected Asian Countries

This paper discusses the status of shrimp farming and evaluates the level of profitability, the relative competitiveness in the production and trade of shrimp, and the technical efficiency of shrimp production in the major shrimp-producing countries of Bangladesh, China, India, Indonesia, the Philippines, Sri Lanka, Thailand, and Vietnam. The analysis is based on primary and secondary information collected by the WorldFish Center and its partner research institutes, and supplemented by a review of the existing literature.

Developing a consultative Bayesian model for integrated management of aquatic resources: an inland coastal zone case study.

This article presents the methodological aspects of the development of a decision support system (DSS) based on Bayesian networks and aiming at assisting in the management of water-dependent resources (rice, fish, shrimp and crab). The principles of Bayesian networks are introduced, then the steps of model development are detailed and illustrated by the BayFish model being developed in the inland coastal zone of Bac Lieu Province (Vietnam). The particular feature of this DSS is that it is based on the contribution of local stakeholders.

Catching and rearing postlarval cleaner shrimp for the aquarium trade: results from a WorldFish Center project in Solomon Islands

Between 1999 and 2003, the WorldFish Center in Solomon Islands conducted research into the feasibility of a new fishery based on the capture and culture of postlarval coral reef fish for the live fish trade. The work was carried out in two phases: a research phase from late 1999 to the end of 2002; and a “finetuning” phase in 2003. Most of the species were of value to the marine aquarium trade, with very few live reef food fish recorded. The most valuable ornamentals were the banded cleaner shrimp, Stenopus species.


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