Search
Now showing items 81-90 of 115
Indicator organisms of pollution in Cochin backwaters
(Indian Association for Limnology and Oceanography, 1983)
Indicator organisms of organic pollution in two localities in the Cochin backwaters are identified The two sites have different sources of pollution, one from retting of coconut husk and the other from discharge of municipal ...
Determination of acute toxicity levels of mercury to the fish Tilapia mossambica (Peters)
(Indian Academy of Sciences, Bangalore, 1983)
Dissolved petroleum hydrocarbons along the oil tanker route in the southern Bay of Bengal
(CSIR-NISCAIR, 1982)
Concentrations of dissolved petroleum hydrocarbons during 3 cruises (Nos. 51, 66 and 68) of R V Gaveshani, along the oil tanker route, in the southern Bay of Bengal at 0, 10 and 20 m were 19.95 + or - 3.38, 16.78 + or - ...
Oil pollution studies in northern Indian Ocean
(Himachal Times Group of Newspapers], 1982)
Trace Metal Levels in the Sediments of the Cochin Backwaters
(Indian Association for Limnology and Oceanography, 1982)
Levels of Cu, Mn, Co, Ni and Zn at four stations in the northern arm of the Cochin backwaters, Kerala, India, which runs through an industrial belt is reported. All metals showed some degree of variation over the area ...
Pollution Effects Monitoring with Foraminifera as Indices in the Thana Creek, Bombay Area
(Taylor & Francis, 1982)
In the study area, the pollution effect on the foraminiferids is intense, hence highly reliable and measurable. The relative sensitivity of tolerance of the biota is sharply variable and dependent upon the nature of the ...
Pollution characteristics and water quality in the Visakhapatnam harbour
(Indian Association for Limnology and Oceanography, 1982)
The impact of organic pollution on the quality of waters in the Visakhapatnam harbour has been studied over a year at 8 stations. The enrichment of nutrients in these waters enhances the eutrophication. The construction ...
The levels of certain heavy metals in marine organisms from Aguada Bay (Goa)
(Indian Association for Limnology and Oceanography, 1982)
The levels of manganese, iron, cobalt, nickel, copper, zinc and mercury have been measured in marine organisms from Aguada Bay which is one of the major fishing zones in Goa, India. The concentration of metals varied from ...
Toxicity of some heavy metals to Copepods Acartia Spinicauda and Tortanus Forcipatus
(CSIR-NISCAIR, 1981)
Copper was most toxic to the species tested followed by cadmium and zinc The estuarine species Acartia spinicauda was more sensitive to the toxicants that the marine species Tortanus forcipatus The 48 hr LC50 values are presented.
Distribution of Copepods from the Polluted and Unpolluted Regions off Bombay
(CSIR-NISCAIR, 1981)
Distribution and abundance of copepods in the nearshore waters off Bombay were studied at 4 fixed sampling sites during October 1977 to December 1978.The stations Mahim and Thana received domestic and industrial waste while ...