Energy analysis of the ring seine operations, off Cochin, Kerala

Boopendranath, M.R. and Shahul Hameed, M. (2012) Energy analysis of the ring seine operations, off Cochin, Kerala. Fishery Technology, 49(2), pp. 141-146.

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Ring seines are lightly constructed purse seines adapted for operation in the traditional sector. Fish production and energy requirement in the ring seine operations, off Cochin, Kerala, India are discussed in this paper, based on data collected during 1997- 1998. The results reflect the Gross Energy Requirement (GER) situation that existed during 1997-1998. Mean catch per ring seiner per year worked out to be 211.9 t of which sardines (Sardinella spp.) constituted 44.3%, followed by Indian mackerel (Rastrelliger kanagurta) 29.7%, carangids 11.4%, penaeid prawns 2.2%, pomfrets 1.1% and miscellaneous fish 11.3%. Total energy inputs into the ring seine operations were estimated to be 1300.8 GJ. Output by way of fish production was determined to be 931.85 GJ. GER is the sum of all non-renewable energy resources consumed in making available a product or service and is a measure of intensity of non-renewable resource use. GER per tonne of fish landed by ring seiners was estimated to be 6.14. Among the operational inputs, kerosene constituted 73.4% of the GER, followed by petrol (12.7%), diesel (6.7%) and lubricating oil (2.4%). Fishing gear contributed 3.8%, engine 0.8% and fishing craft 0.3% of the GER. Energy ratio for ring seining was 0.72 and energy intensity 1.40.

Item Type: Article
Title: Energy analysis of the ring seine operations, off Cochin, Kerala
Personal Creator/Author:
Shahul Hameed, M.
Refereed: Yes
Journal or Publication Title: Fishery Technology
Volume: 49
Number: 2
Page Range: pp. 141-146
Date: July 2012
ISSN: 0015-3001
Uncontrolled Keywords: Ring seine; fish production; Gross Energy Requirement
Subjects: Environment
Item ID: 9629
Depositing User: Dr. M.R. Boopendranath
Date Deposited: 02 Aug 2012 17:04
Last Modified: 01 Feb 2013 13:51

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