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The by-Catch from Indian Shrimp Trawlers in the Bay of Bengal-BOBP/WP/68








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    The Shrimp Fry By-catch in West Bengal-BOBP/WP/88 1993
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    Culture of tiger shrimp has gained momentum over the last decade in many parts of the world due to its high export value. It has become a major foreign exchange earner in India, where West Bengal is the largest culture centre. In West Bengal, the basic input of tiger shrimp fry is met from the wild, with a large number of the rural poor engaged in shrimp fry-catching and trading in the 24 Parganas (N and S) and Medinipur Districts. However, the destruction of by-catch captured during fry-collect ion has been causing concern. This working paper, based on work done from October 1990 to September 1991 gives an overall picture of the shrimp fry by-catch by assessing quantitatively the seasonal and spatial variations in the species composition. By-catch is 64-99.4 percent of the total fry caught. The fry by-catch destroyed over a period of one year is estimated at 62 million - 2592 million. The study was carried out by the Central Institute of Brackishwater Aquaculture (CIBA) at its Rese arch Centre in Kakdwip, West Bengal. It was sponsored by the Bay of Bengal Programme (BOBP) of the Food and Agriculture Organization (FAO). Two field biologists were engaged by BOBP for sampling and data collection at three centres and the project was implemented under the supervision of CIBA scientists. The authors acknowledge the contributions of the following : Dr K. Alagarswami, Director, CIBA. Madras, for his guidance and keen interest in the investigations; A.V.P. Rao, Principal Scient ist, for monitoring the project and critically going through the manuscript; the field biologists, Rabi Sil and R.S. Halder, for collection of field data; and R.K. Chakraborti, Scientist (SG) for valuable suggestions.
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    Fishing Trials With High-Opening Bottom Trawls From Chandipur, Orissa, India - BOBP/WP/48 1986
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    This paper reports on the findings of fishing trials with one-boat bottom trawls conducted from Chandipur, in Balasore district, Orissa, in 1984/85. Detailed specifications and designs of some of the trawls are given. Trials during 65 fishing days clearly demonstrated the superiority of the high opening bottom trawls over the conventional bottom shrimp trawl. The trials were conducted along commercial lines employing private trawlers. The cooperating agency in Orissa was the Directorate of Fisheries. The Orissa fishing trials were part of a wider project organized jointly by the small-scale fisheries project of the Bay of Bengal Programme (BOBP) and the Government of India for developing and introducing high-opening bottom trawling for food fish and shrimp. Two earlier working papers (BOB P/WP/10 and BOBP/WP/20) document trials conducted in Tamil Nadu, while one other paper (BOBP/WP/21) suggests improvements to the deck machinery and layout of small coastal trawlers.
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    Kattumaram Fisheries and Fisherfolk; A Study in Kothapatnam Pallipalem, Andhra Pradesh, India-BOBP/WP/70 1991
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    This working paper describes the attempt made to conduct an integrated study of the biological, economic and sociological aspects of the fisheries and fisherfolk that use one of the most traditional and popular fishing craft of the east coast of India kattumaram. The benefits of the results from such an approach are also presented in this report. The paper discusses the significance of using one or more types of fishing gear with such a traditional craft, correlation between income from fishin g and income from other sources and consequent diversity in income categories, relative performance by other types of craft, interactive fishing problems, exploitation of resources, underutilized resources, motorization of traditional craft, marketing practices and improvements and opportunities for additional/alternative income generation. Periodic exchanges of information between the study-group and fisherfolk, in the course of this study, opened the doors to communication with fisherfolk on i ssues concerning resources and management and culminated in the preparation of a series of extension material in this field. This project was carried out in cooperation with the Department of Fisheries, Andhra Pradesh State, India, and was sponsored by a Bayof Bengal Programme (BOBP) project, ‘Small-Scale Fisherfolk Communities in the Bay of Bengal’ (GCP/RAS/118/MUL). The post-harvest technological investigations were conducted under the direction and supervision of Mr. David Walker, Adviser , ODA. The socio-economic investigations were conducted by Ms. Christina Lundquist, Socio-economist (APO) of the Bay of Bengal Programme. And Messrs P.R. Prathap Kumar and I. Ramaswamy were responsible for painstakingly collecting most of the data included in this report.

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