Now showing items 1-18 of 18

    • Assessment on seasonal variation of groundwater quality of phreatic aquifers - A river basin system 

      Laluraj, C.M.; Gopinath, G. (Springer, 2006)
      Spatial distribution of pH, electrical conductivity (EC), total dissolved solids (TDS), fluoride and total iron content of ground water samples collected from the muvattupuzha river basin, Kerala, India, has been studied ...
    • Base-Line Water Quality of the River Narmada (Gujarat) 

      Zingde, M.D.; Sureshchander; Rokade, M.A.; Desai, B.N. (CSIR-NISCAIR, 1981)
      Suspended solids, H,chlorides, DO, BOD, PO3-d4 -P, NO3- -N and NH+d4 -N were estimated at 12 stations along a 70 km stretch from the mouth of the river Narmada during March, May, June and August 1979. Tidal range of over ...
    • Behaviour of boron in Mandovi estuary (Goa) 

      Shirodkar, P.V.; Anand, S.P. (Indian Association for Limnology and Oceanography, 1985)
      Boron in the waters of Mandovi Estuary, Goa, India varied with tides and seasons with concentrations decreasing from mouth towards upstream. Higher concentrations of 0.51-5.83 mg kg1 and 0.03-4.42 mg kg-1 respectively were ...
    • Boron in seawater of Wadge bank region in the Indian Ocean 

      Shirodkar, P.V.; Sankaranarayanan, V.N. (CSIR-NISCAIR, 1984)
      In the upper 200 m in the Wadge Bank region B varies from 3.09 to 4.95 mg.kg/1. B/Cl ratio ranges from 0.159 to 0.256. Depthwise distribution of B shows its inverse relationship with dissolved oxygen, direct relationship ...
    • Calcium Phosphate Saturation in the Western Bay of Bengal 

      Naik, S.; Reddy, C.V.G. (CSIR-NISCAIR, 1980)
      Temperature, inorganic phosphate concentration and pH seem to be the major factors influencing the degree of saturation of calcium phosphate in sea water. Two water regions can be demarcated in the study area based on the ...
    • Effect of environment on pigment ratios in Dunaliella spp. from the salt pans of Gujarat 

      Muraleedharan, U.D.; Goes, J.I.; Pant, A. (Indian Academy of Sciences, Bangalore, 1989)
      The effect of varying salinity and pH of the medium on growth and pigment ratios of Dunaliella cells in culture was studied. Cell growth was found to be optimal at pH 8 and at intermediate salt concentrations of 1-2 M NaCl. ...
    • Effects of industrial waste disposal on the water quality of the river Kolak 

      Zingde, M.D.; Sabnis, M.M.; Mandalia, A.V.; Desai, B.N. (Indian Association for Limnology and Oceanography, 1980)
      About 6 mld of industrial waste water is discharged without proper treatment in the fresh water zone of the river Kolak. Parameters like suspended solids, pH, chloride, DO, BOD, phosphate, nitrate, boron, sulphate and trace ...
    • Emission of carbon dioxide from a tropical estuarine system, Goa, India 

      Sarma, V.V.S.S.; DileepKumar, M.; Manerikar, M. (American Geophysical Union, 2001)
      Carbon dioxide species were studied in Mandovi-Zuari system, a tropical estuarine complex influenced by strong monsoonal run-off, with implications to build up and air-water exchange of CO sub(2) . Total carbon dioxide ...
    • Experimental studies on Urea Degradation in Seawater 

      Rajendran, A.; Joseph, T.; Reddy, C.V.G. (Indian Association for Limnology and Oceanography, 1980)
      The rate of urea degradation in seawater was studied under various conditions and the kinetics of urea degradation was evaluated. Urea decomposition experiments showed that the rates and quantity of ammonium oxidation were ...
    • Fungi from marine habitats: Application in bioremediation 

      Raghukumar, C. (Elsevier, 2000)
      This paper synthesizes the work done on decolourization of bleach plant effluent and synthetic dyes using fungi from marine habitats. Three fungi obtained from marine habitats removed up to 60-95% of Kraft paper mill bleach ...
    • Hydrochemical studies along the coastal waters off Mangalore 

      Joseph, T.; Balachandran, K.K.; Nair, M.; Sankaranarayanan, V.N. (Environmedia, 1998)
      Environmental parameters such as temperature, salinity, dissolved oxygen, BOD pH, nutrients suspended load and chlorophyll 'a' were estimated in the coastal waters of Mangalore. Four transects, each consisting of four ...
    • Influence of divalent cations and pH adsorption of a bacterial polysaccharide adhesin 

      Bhosle, N.B.; Suci, P.A.; Baty, A.M.; Weiner, R.M.; Geesey, G.G. (Elsevier, 1998)
      Hyphomonas MHS-3 elaborates a diffuse capsular material, primarily composed of polysaccharide, which has been implicated to serve as the holdfast of this prosthecate marine bacterium. A purified polysaccharide (fr2ps) from ...
    • Marine organisms and their adaption - Adaptions solve the challenges of existence in the sea. 

      Gonsalves, M.J.B.D.; Das, A.; LokaBharathi, P.A. (Centre for Environmental Studies, 2009)
      Marine organisms exist in an ever-changing environment. The physical environment within the ocean varies with the availability of light, oxygen, food resources, pressure and temperature. This variation in the physical ...
    • Nutrients of the Cochin backwater in relation to environmental characteristics 

      Sankaranarayanan, V.N.; Qasim, S.Z. (Springer, 1969)
      The nutrient distribution of the Cochin Backwater was studied at 6 stations throughout the year The depth profiles of phosphorus (inorganic and organic), nitrogen (nitrate and nitrite) and silicon, showed a marked seasonal ...
    • Persistence and fate of some organophosphorus pesticides in sea sediments along east coast of India 

      Sarkar, A.; SenGupta, R. (CSIR-NISCAIR, 1986)
      Stability and fate of pesticides, monocrotophos, phosphamidon and DDVP, were studied in sediment samples collected along the east coast of India pH, salinity and exchangeable cations present in sediments exhibited profound ...
    • Studies on photosynthetic bacteria isolated from an estuarine beach of Goa 

      Karanth, N.G.K.; Nair, S.; LokaBharathi, P.A. (CSIR-NISCAIR, 1977)
      A bacterial strain capable of fixing CO2 was isolated from an estuarine beach of Goa, India. The strain grew in sea water containing a piece of boiled egg under anaerobic condition and in the presence of subdued sunlight ...
    • Tidal cycle and the environmental features of Cochin backwater (a tropical estuary) 

      Qasim, S.Z.; Gopinathan, C.K. (Indian Academy of Sciences, Bangalore, 1969)
      In the Cochin Backwater, Kerala, India the tides are of a mixed, semidiurnal type with a maximum range of about 1 m. Two high and two low water-marks occur each day, with an appreciable difference in range and time. The ...
    • Water Quality of the River Damanganga (Gujarat) 

      Zingde, M.D.; Narvekar, P.V.; Sarma, R.V.; Desai, B.N. (CSIR-NISCAIR, 1980)
      Water quality (pH, suspended solids, chlorides, DO, BOD, reactive and total phosphorus, nitrates and boron) of River Damanganga which receives 0.2 mld of industrial waste into its fresh water zone through Pimparia River ...