DRS at CSIR-National Institute of Oceanography: Recent submissions
Now showing items 7771-7790 of 9376
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Palaeoclimatic significance of gypsum pseudomorphs in the inner shelf sediments off Machalipatnam bay
(Geological Society of India, 1988)Pseudo-gypsum crystals have been found in the coarse fraction of the sediments from the inner continental shelf off Machilipatnam Bay. They range in size from 3 to 7 mm are elongate and lenticular in shape. Bassanite and ... -
Analysis of magnetic anomalies in relation to Placer deposits and basement configuration off Mirya bay, Central West coast of India
(1988)The offshore ilmenite placers off Konkan, central west coast of India, have been surveyed by echosounding, shallow seismic profiling, magnetics, and seabed sampling. The magnetic data show two different types of anomalies: ... -
Pollution of the seas around India
(Indian Academy of Sciences, Bangalore, 1988)The state of marine pollution along the 7000 km long coastline and 2.015 x 106km exclusive economic zone of India is summarized. The coastal water receives 4.1 km3 of domestic sewage and 0.41 km3 of industrial wastes. ... -
Some problems of coastal pollution in India
(Elsevier, 1988)Studies on the hydrographic and chemical characteristics of the coast surrounding the Indian subcontinent and the offshore regions of the Arabian Sea and the Bay of Bengal began during the International Indian Ocean ... -
Detection of the thraustochytrid protist Ulkenia visurgensis in a hydroid, using immunofluorescence
(Springer, 1988)An immunofluorescence technique was employed to detect the thraustochytrid protist Ulkenia visurgensis (Ulken) Gaertner, originally isolated from an algal bed, in natural samples in Goa, India Collections were made monthly ... -
A shallow seismic reflection study of the Gulf of Kutch, northwest India - Observations on its structural evolution
(Elsevier, 1988)A study of echosounding (678 line km) and shallow seismic reflection (180 line km) records of the E-W trending Gulf of Kutch, India showed the following features: The gulf margins in the east, and partly in the southeast ... -
Distribution and species composition of planktonic luminous bacteria in the Arabian Sea
(CSIR-NISCAIR, 1987)Distribution of the total viable heterotrophic bacteria and the luminous bacteria in the neretic and oceanic waters of the west coast of India was studied. Counts of viable heterotrophs fluctuated widely, generally with a ... -
Radiometric ages of phosphorites from the west coast of India
(Elsevier, 1987)Four algal carbonate nodules with approx 1 mm thick phosphorite coatings were dated, by the 230Th/234U and three of the carbonates by 14C methods. All ages (5.8-13.9 k.y) are in satisfactory agreement indicating that ... -
A device for continuous microscopic examination of aquatic microorganisms
(CSIR-NISCAIR, 1987)The device consists of a sealed microscopic mount provided with an inlet for liquid medium and an outlet, permitting continuous flow of the liquid. It permits observation of development of marine microorganisms such as ... -
Environmental characteristics of the ocean
(Gordon and Breach, 1983) -
Internal microfeatures of manganese nodules from the Central Indian Ocean
(Elsevier, 1988)The internal features of manganese nodules from abyssal hills ranging in height from 600 to 880 m and the nodules from abyssal plains in the Central Indian Ocean have been studied. Nodules from the abyssal hills show mainly ... -
Effects of bridge piers on a tropical estuary in Goa, India
(Tirunelveli: JCSONLINE, 1988)A comparison of surveys made in 1926, 1968 and 1986 shows large morphological changes due to the 13 bridge piers constructed across the Mandovi River, SW coast of India. The changes included the erosion and deposition of ... -
Trapping of insects in the Arabian Sea
(Indian Association for Limnology and Oceanography, 1988)Some insects caught on RV Gaveshani, while on a cruise in the Arabian Sea in May-June 1986 is reported Of the 23 insects caught, 16 were lepidopterans An interesting flight behaviour of Psychota sp is described -
Reproductive behaviour of benthic foraminifera: A key to palaeoclimate
(Indian Academy of Sciences, Bangalore, 1988)Many benthic foraminiferal species exhibit dimorphism associated with reproduction. The two resultant forms are known as microspheric and megalospheric forms. Culture studies, though limited in number, show that ratios of ... -
Influence of seamount topography on the local facies variation in ferromanganese deposits in the Indian Ocean
(Elsevier, 1988)The morphology and chemistry of ferromanganese nodules and encrustations from a seamount in the Central Indian Ocean Basin show local variations. Nodules from the summit of the seamount have sporadic distribution, are less ... -
Biochemical composition and calorific value of zooplankton from northern part of Central Arabian Sea
(CSIR-NISCAIR, 1988)Average biomass value of zooplankton obtained was 22.69 ml 100 m-3. Average percentages of lipid, carbohydrate, protein and carbon were 6.3, 6.0, 23.6 and 34.62 respectively. Calorific values ranged between 6217 and 24708 ... -
Biomass, organic carbon and calorific content of zooplankton from the Arabian Sea off Central West coast of India
(CSIR-NISCAIR, 1988)Organic carbon content and calorific values of zooplankton varied from 18.35 to 32.49% (av. 27.8%) and from 2.56 to 4.71 k cal. g-1 dry wt (av. 3.99) respectively. Areawise off Gujarat sustained higher standing stock of ... -
Modified interstitial water squeezer for trace metal analysis
(CSIR-NISCAIR, 1988)Hydraulic squeezer of Manheim, used in the extraction of pore water of sediments, has been modified by providing teflon inner lining and increasing the volume of squeezer. The modified version facilitates collection of ...