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Title: Environmental Conditions of Some Paddy-cum-Prawn Culture Fields of Cochin Backwaters, Southwest Coast of India
Authors: Nair, K K C
Sankaranarayanan, V N
Gopalakrishnan, T C
Balasubramanian, T
Devi, C B Lalithambika
Aravindakshan, P N
Kutty, M Krishnan
Issue Date: Mar-1988
Publisher: NISCAIR-CSIR, India
Abstract: Temperature, salinity, pH, dissolved oxygen, inorganic phosphate, ammonia, nitrate and nitrite of seasonal and perennial prawn culture fields from 3 areas of Cochin backwaters are studied. Area 1 is a region least affected ecologically and the salinity values 10 x 10-3 occur here during December to June. Area 2 which is near to the location of effluent discharge from a fertiliser factory shows high concentration of nutrients with low prawn production. Area 3 is most favourably situated to resist ecological distortions because of its proximity to the sea. The results indicate that the fields in areas 1 and 3 have environmental conditions highly suited for prawn culture whereas in area 2 the salinity conditions are not very conducive for prawn growth.
Page(s): 24-30
ISSN: 0975-1033 (Online); 0379-5136 (Print)
Appears in Collections:IJMS Vol.17(1) [March 1988]

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