Search
Now showing items 1-3 of 3
Estuarine characteristics of the lower reaches of the River Periyar (Cochin backwater)
(CSIR-NISCAIR, 1986)
Lower reaches of river Periyar were studied to assess longitudinal extent of salt water intrusion into the system during different seasons and also its effect on the flushing of pollutants introduced by the industries. ...
Atypical behaviour of dissolved silicate in the Cochin backwater and Periyar river
(CSIR-NISCAIR, 1984)
Dissolved silicate was determined for 1 y (1982-83) covering a wide range of salinity from the estuarine mouth to the fresh water region. Silicate concentration ranged between 0.03 and 4.75 mgl/1. Silicate-salinity ...
Environmental conditions of some paddy cum prawn culture fields of Cochin backwaters, southwest coast of India
(CSIR-NISCAIR, 1988)
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 ...