ANNEX A
DETAILS OF THE PLANNED RESEARCH PROJECTS (Contd.)

OBJECTIVES:

1. development of designs for small farms for semi-intensive and intensive culture of Macrobrachium and P. monodon;
2. studies of the economic and social viability of small-scale semi-intensive and intensive shrimp farming.

OBJECTIVES:

1. identification of suitable species for brackishwater pen and/or cage culture;
2. testing of brackishwater pen and cage culture systems in practice;
3. demonstration of research results.

OBJECTIVES:

1. determination of the feasibility of farming of Crocodilus porosus in Bangladesh;
2. development of a pilot scale crocodile farming system.

OBJECTIVES:

1. identification of the spawing grounds and seed collection centres for Macrobrachium and P. monodon, in different rivers;
2. estimate of the abundance of seed stock of different species of penaeid shrimp and Macrobrachium, from natural sources;
3. study of the influence of physico-chemical and hydro-dynamic parameters on the abundance of seed.

OBJECTIVES:

1. development of gear for collection of shrimp seed from natural resources;
2. testing of the efficacy of gear developed under different environmental conditions;
3. comparison of the catch per unit effort of the gear developed and of the gear presently used;
4. popularization of the use of newly developed gear among shrimp seed collectors.

OBJECTIVES:

1. study of different physico-chemical and biological characteristics of brackishwater ponds and their effect on shrimp/fish production.

OBJECTIVES:

1. assessment of the impact of brackishwater aquaculture practices on the mangrove environment, incl. effect of seed collection and of pollution from intensified farming;
2. translation of findings into recommendations to the Government for lilmits and/or protective measures.

OBJECTIVES:

1. identification of the places in different areas of Bangladesh, which are suitable for extensive, semi-intensive and intensive brackishwater aquaculture, based on soil and water characteristics;
2. preparation of recommendations to the Government with respect to area development plans.

OBJECTIVES:

1. development of hatchery models for large- and small-scale production of P. monodon seed;
2. development of techniques for maturation of P. monodon through eyestock ablation;
3. development of techniques for rearing nauplii to postlarvae;
4. development of techniques for large-scale production of live food for feeding larvae, zoea and postlarval stages;
5. determination of the economics of P. monodon hatcheries.

OBJECTIVES:

1. development of hatchery models for large and small scale production of M. rosenbergii postlarvae;
2. development of techniques for optimum survival during rearing of nauplii to postlarvae;
3. popularization of hatchery techniques developed in this project and in project I-02 in Chandpur.

OBJECTIVES:

1. maximization of survival of shrimp seed during transportation;
2. determination of optimum salinity levels of the transporting medium for different species of shrimp;
3. testing of the efficacy of different anesthetics in bringing down the metabolic activity and increasing the survival of seed during transportation;
4. development of a method of acclimatization of transported seed before releasing into ponds.

OBJECTIVES:

1. increase of the survival of shrimp seed in production ponds by first rearing the postlarvae to juveniles in nursery ponds;
2. determination of optimum stocking density of postlarvae in nursery ponds for maximum survival and growth;
3. study of the influence of salinity and temperature on growth and survival of postlarvae;
4. identification of the quantity and quality of fertilizers/manures and feed needed for optimum survival and growth.

OBJECTIVES:

1. developments of techniques for maturation of L. calcarifer in ponds through manipulation of stocking density, fertilization of ponds, feed, and feeding rates;
2. development of techniques for induced breeding;
3. development of nursery management methods for rearing spawn to fry/ fingerlings;
4. determination of the economic feasibility of seabass culture.

OBJECTIVES:

1. development of techniques for pond maturation of commercially important species of mullets;
2. development of techniques for induced breeding of mullet species;
3. development of techniques for nursing of mullet fry/fingerlings;
4. determination of the economic feasibility of mullet culture.

OBJECTIVES:

1. identification of diseases and parasites that effect shrimp in commercial farming operations, their intensity of infection, and their economic damage;
2. identification of environmental factors that lead to infection of shrimp in various stages;
3. provision of diagnostic services to shrimp farmers.

OBJECTIVES:

1. identification of drugs/chemicals and their doses, that could control/prevent diseases and/or parasites of shrimps and other brackishwater culture organisms;
2. determination of dosages needed for treatment individual organisms and ponds;
3. preparation of extension pamphlets for dissemination of first-line health care information to shrimp farmers.

OBJECTIVES:

1. determination of the effects of different pond-environmental factors on the quality of shrimp produced;
2. development of techniques for improvement of the quality of shrimp produced.

OBJECTIVES:

1. identification of logistic problems for marine pen and cage culture and determination of possible solutions;
2. survey and mapping of suitable places for marine pen and cage culture;
3. site selection for experimental work.

OBJECTIVES:

1. determination of optimal size and location for cages and pens;
2. identification of suitable species for marine pen and/or cage culture;
3. determination of the stocking density for optimum growth in cages and pens;
4. adaptation of existing rearing technologies to the local situation for production of marketfish;
5. development of optimum feeding technologies;
6. determination of the economy of marine pen and cage culture.

OBJECTIVES:

1. identification of logistic problems for culture of various mollusc species;
2. analysis of availability and suitability (including hygienics) of sites for mollusc culture, including oysters, mussels, cockles and clams;
3. selection of sites for experimental work.

OBJECTIVES:

1. identification and on-site studies of spat collection and mollusc farming systems;
2. studies on growth potential in dependence on prevailing nutrient availability;
3. economics of mollusc culture for human consumption and/or for production of feed and fertilizers;
4. development (or adaptation) of small-scale production technologies.

OBJECTIVES:

1. identification and evaluation of new opportunities for mariculture, including vertebrates, crustaceans, molluscs, and sea weeds;
2. studies into the feasibility of production of the identified species in Bangladesh;
3. implementation of feasible production systems on a pilot scale.

OBJECTIVES:

1. survey of natural reproduction of commercially important marine species;
2. research on (semi-) artificial reproduction of suitable marine species, including induction of maturation and ripening stimulation techniques, handling of eggs and larvae, etc.;
3. development of technologies for nursing of larvae.

OBJECTIVES:

1. development of efficient hatchery techniques through adapation of existing techniques and technologies;
2. studies into improvement of marine hatchery designs and lay-outs.

OBJECTIVES:

1. monitoring of the catch and CPUE of various types of fishing gear and analysis of the data;
2. investigations into seasonal variations in landings, fishing areas, gear types, and sizes of fish captured;
3. estimate of overall production and determination of fishing effort needed or wanted for the implementation of a sound resource management policy.

OBJECTIVES:

1. survey of existing small- and large-scale gear and its use;
2. development of gear for selective fishing of different fish species;
3. development of gear for improvement of harvesting efficiency.

OBJECTIVES:

1. identification and survey of non-used marine resources, including trawler by-catch, sharks, rays, clams, sea weeds, etc.;
2. determination of the product value of these resources;
3. product development (food, feed, fertilizer, industrial products).

OBJECTIVES:

1. determination of seasonal variation in CPUE;
2. analysis of seasonal variation in landings, fishing areas and sizes of P. monodon captured;
3. determination of seasonal movement of P. monodon;
4. estimate of overall production and fishing effort for the implementation of a sound management policy;
5. location of spawning grounds and determination of their relative importance;
6. location of the gateways towards the brackishwater area, their relative importance, and the factors that influence their importance.

OBJECTIVES:

1. survey of reproduction areas, natural breeding cycles, broodstock and fry/larvae of the commercially important marine species;
2. analysis of recruitment success;
3. plankton survey.

OBJECTIVES:

1. survey of the common parasites and intensities of infections in commercially important marine organisms, especially those suitable for mariculture;
2. testing of local drugs on laboratory scale.

OBJECTIVES:

1. preparation of lists of quality demands for fisheries products in the domestic and international markets;
2. development of standardized sampling and analysis methodologies;
3. development of hygienic systems for landing, handling, transportation, and marketing of fish and fisheries products.

OBJECTIVES:

1. adaptation and/or development of methodologies to increase the shelf-live of fish and fishery products;
2. upgrading of unused marine resources into commercial products;
3. determination of the economics of processing technologies.

OBJECTIVES:

1. survey of domestic and international needs and wishes for fishery products, including quality, quantity, appearance, packing, etc.;
2. development of marketing scenarios.