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Studies of Interactive Marine Fisheries of Bangladesh-BOBP/WP/89








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    Project
    Biosocioeconomic Assessment of the Effect of the Estuarine Set Bagnet on the Marine Fisheries of Bangladesh - BOBP/WP/94 1994
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    The estuarine set bagnet (ESBN) fishery of Bangladesh is one of the country’s niost important traditional fisheries and a large population of small-scale fisherfolk have been dependent on it for a long time. In the last two decades, the introduction and rapid expansion of the bottom trawl fishery and of shrimp culture have contributed to problems of interaction and competition among the fisheries which exploit the same penaeid shrimp and demersal finfish stocks. The traditional, but less effic ient, ESBN fishery has not only become vulnerable, being likely to be affected by other fisheries, but may also be destructive to small penaeid shrimp and some of the finfish resources that these other fisheries exploit. The Department of Fisheries, Bangladesh, decided to investigate this issue and the Bay of Bengal Programme (BOBP) was requested to assist. The study was funded by the United Nations Development Programme (UNDP). Bioeconomic and socioeconomic surveys were undertaken in 1989/90 an d a National Seminar was held in January 1992 to discuss the results. Because of the interactive nature of many of the marine fisheries, it was necessary, for the assessment and management of any one fishery, to consider the other fisheries exploiting the same resources. Therefore, in addition to the estuarine set bagnet fishery, the fisheries employing marine set bagnets (MSBN), trammelnets (TRN), beach seines (BS), bottom longlines (BLL) and trawlnets (TWL), as well as shrimp fry-collection using pushnets (PN) and dragnets (DN), were investigated. These studies have been documented separately in BOBP working papers BOBP/WP/89 Studies of Interactive Marine Fisheries of Bangladesh and BOBP/WP/90 — The Socioeconomic Condition of the Estuarine Set Bagnet Fisherfolk in Bangladesh. The present paper is based on the results and findings of these publications and assesses the biosocioeconomic impact of the ESBN fishery on the other marine fisheries of Bangladesh. The working papers mention ed provide additional information on the respective fisheries.
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    Book (stand-alone)
    Hilsa Investigations in Bangladesh - BOBP/REP/36 1987
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    The Hilsa ilisha constitutes the largest single-species fishery of Bangladesh. It accounts for about 30% of the country’s total fish production; the fishery employs more than 1.5 million people. At the request of the Bangladesh Government the BOBP’s project “Marine Fishery Resources Management in the Bay of Bengal” conducted a series of investigations on the Hilsa ilisha during 1985-86. As a first step, current literature on the biology and fishery of Hilsa ilisha in the Upper Bay of Bengal was reviewed and published in October 1985 as BOBP/WP/37. The Hilsa investigations covered marine, estuarine and riverine environments; the main areas of investigation were catch statistics, biological studies, racial studies and experimental fishing. Four sampling stations were selected for the investigation, Chittagong and Cox’s Bazar being the marine stations. Five biologists were trained in the programme, and the data obtained were processed later at a training session in Colombo. This paper sets out the results of the investigations, which were conducted under the overall supervision of BOBP’s Senior Fishery Biologist, Dr. K. Sivasubramaniam. A consultant, Dr. B.T. Antony Raja, reviewed literature on the subject, trained national biologists, helped them to prepare the Annexures found in this report, and in general monitored the programme. Mr. J. Hertel Wulff (BOBP Biologist - Associate Professional Officer), stationed at Chittagong, assisted the national biologists and processed the data using the micro computer Apple Ile. Mr. M.Van der Knaap (Biologist - Associate Professional Officer) and Mr. T. Nishida (Statistician - Associate Professional Officer) also helped the five Bangladesh biologists- Mr. M. Hossain, Mr. N. N. Das, Mr. Sujjat Al Azad, Mr. Q. Mahbubul Huq and Mr. M. Serajul Islam-to process the data.
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    Project
    The Socioeconomic Condition of The Estuarine Set Bagnet Fisherfolk in Bangladesh - BOBP/WP/90 1993
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    This working paper describes the socioeconomic survey of selected estuarine set bagnet (ESBN) fishing villages in Bangladesh. It deals with village profiles, households and population structured according to sex, age and education. The households have been stratified according to income-generating activities and income. Fishing households were stratified even further on the basis of the craft and gear combinations owned, owned and operated, or operated only and their income estimated on a monthl y basis. Variations in income within the community of ESBN fishermen and relative income from different sources are also discussed with opportunities for generating income from sources other than the ESBN fishery. The survey was based on a sampling of six villages, each one identified in each of the six strata into which the estuarine areas of Bangladesh was divided. This survey was conducted to obtain baseline socioeconomic parameters that are relevant to the management of the ESBN fisherie s and forms the input, along with the information on their fisheries interacting with it (BOBP/WP/89), for the ‘Biosocioeconomic assessment of the impact of estuarine set bagnet fisheries on other marine fisheries in Bangladesh’ (BOBP/REP/62).

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