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Primary production and potential fishery resources in the seas around India

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Relation http://eprints.cmfri.org.in/2701/
 
Title Primary production and potential fishery resources in the seas
around India
 
Creator Nair, P V Ramachandran
Samuel, Sydney
Joseph, K J
Balachandran, V K
 
Subject Fisheries Resources Assessment
Primary Production
 
Description The paper deals with an account of the results of investigations on primary production using oxygen
and C14 techniques in the Gulf of Mannar, Palk Bay and the west coast of India. These together with the
data of GALATHEA and International Indian Ocean Expeditions have been used to estimate the productivity
of the different regions.
It is found that the maximum production is towards the coast within 50 metres depth and gradually
decreases seaward. The mean value over the shelf on the west coast is 1-19 gC/m2/day for < 50 metres,
0-43 gC/m2day for 50-200 metres and 0-18 gC/m2day for > 200 metres. Based on this the potential
yield as the ratio of carbon production is 1-7 million tonnes.
On the east coast the average for the shelf is 0-63gC/m2day and O-MgC/m2/day outside the shelf,
though very high rates of 2'OgC/m2day are usually found in the shallow near-shore regions of Gulf of
Mannar and Palk Bay, The estimated yield from the east coast is over 0-6 million tonnes.
Hence the potential resources over the entire shelf region of the west and east coasts of India together
would be of the order of 2^ to 3 times the present yield.
 
Date 1973
 
Type Conference or Workshop Item
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://eprints.cmfri.org.in/2701/1/Article_13.pdf
Nair, P V Ramachandran and Samuel, Sydney and Joseph, K J and Balachandran, V K (1973) Primary production and potential fishery resources in the seas around India. In: Proceedings of the symposium on living resources of the seas around India, 1968, Mandapam Camp.