DRS at CSIR-National Institute of Oceanography: Recent submissions
Now showing items 4971-4990 of 9376
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Boron, calcium and magnesium in Kavaratti lagoon water, Lakshadweep Archipelago
(NISCAIR, CSIR, 1997)Analysis of major elements in the water of Kavaratti lagoon show variations in the concentrations of boron from 4.08 to 4.25 mg kg sup(-1) (av. 4.15 mg kg sup(-1)); calcium from 420.4 to 429.3 mg kg sup(-1) (av. 424.79 mg ... -
Bisoxazolinone from the mangrove Acanthus illicifolius
(NISCAIR, CSIR, 1997)Acanthus illicifolius, a mangrove, possessing analgesic and anti-inflammatory activities afford a dimeric oxazolinone, 5,5' bis-benzoxazoline-2,2'-dione. Its structure has been elucidated on the basis of detailed spectroscopic ... -
Secondary metabolites from the sponge Tedania anhelans: Isolation and characterization of two novel pyrazole acids and other metabolites
(American Chemical Society, 1997)Chemical investigation of the methanol extract of the sponge Tedania anhelans yielded the two unusual heteroaromatic acids, pyrazole-3(5)-carboxylic acid (2) and 4-methylpyrazole-3(5)-carboxylic acid (3), which are reported ... -
Chlorophyll 'a' and particulate organic carbon in relation to some physico-chemical parameters along southwest coast of India
(Marine Biological Association of India, 1997)Chlorophyll 'a', Particulate Organic Carbon and other environmental parameters were studied along Kerala Coast during October 1987 and 1988. High chlorophyll 'a' content at surface water and decreasing trend towards offshore ... -
Corrosion aspects of shipwreck metals of Lakshadweep waters
(NIO, Dona Paula, Goa, India, 1997) -
Antispasmodic action of 5-methyl benzoxazoline-2-one: A preliminary study
(Indian Pharmacological Society, 1997)In the present study, compound (1) depressed both phases of the dose-response curve. The marked effect on 5-HT response cannot be attributed solely to an antimuscarinic action of the compound which was much less (66%) as ... -
Contamination of organochlorine pesticides in sediments from the Arabian Sea along the west coast of India
(Pergamon, 1997)The levels of contamination of various organochlorine pesticides in HCHs, DDTs aldrine dieldrin and endrin were determined in marine and estuarine sediments along the west coast of India. The concentration of various ... -
Heavy metals in fishes from coastal waters of Cochin, southwest coast of India
(NISCAIR, CSIR, 1997)The concentration levels of copper, zinc, manganese and iron have been determined in marine fishes from Cochin area which is one of the major fishing zones along the west coast of India. The concentration of heavy metals ... -
Biogenic silica in the Bay of Bengal during the southwest monsoon
(Ifremer/ CNRS/ IRD/ Editions scientifiques et medicales Elsevier SAS. Tous droits reserves, 1997) -
Effects of petroleum hydrocarbons on the growth of a microalga, Isochrysis sp. (Chrysophyta)
(NISCAIR, CSIR, 1997)Effects of water soluble fraction of Bombay High crude oil and heavy duty marine diesel on the growth of a microalga were examined and compared. Most concentrations of the oil depressed the growth rate in Isochrysis sp. ... -
Screening of some marine plants for activity against marine fouling bacteria
(Walter de Gruyter, Berlin, 1997) -
Nitrogen and oxygen isotopic composition of N sub(2)O from suboxic waters of the eastern tropical North Pacific and the Arabian Sea - measurement by continuous-flow isotope-ratio monitoring
(Elsevier, 1997)Nitrous oxide (N sub(2)O) is a trace gas that is increasing in the atmosphere. It contributes to the greenhouse effect and influence the global ozone distribution. Recent reports suggest that regions such as the Arabian ... -
Duff reaction on phenols: Characterization of non steam volatile products
(Oriental Scientific Publishing Company, Bhopal, 1997)New products having structures 1 and 2 have been characterized in the Duff reaction thymol arid carvacrol. These products have been identified as 2.6'-dithymylmethane 1 and 5.5' -dicarvacryl methane 2 respectively on the ... -
Marine outfall location off South Chennai
(Cent. for Earth Sci. Stud., Cochin (India), 1997)Disposal of industrial effluents into open sea envisages a through study of the marine environment in the vicinity of the outfall. Sufficient dilution and dispersion of the effluent has to take place before it reaches the ... -
Acute toxicity and effect of some petroleum hydrocarbon on the metabolic index in Etroplus suratensis
(Society of Biosciences, Muzaffarnagar (India), 1997)Acute toxicity (LC sub(50)) and effect of some petroleum hydrocarbons (Toluene, Quinoline, Pyridine and Naphthalene) on the metabolic index (oxygen consumption rate) of an estuarine fish. Etroplus suratensis is reported. ... -
Toxic effects of coastal and marine plant extracts on mosquito larvae
(Walter de Gruyter, Berlin, 1997)Petroleum-ether and chloroform soluble fractions of methanolic extracts of mangrove/plants (Derris heterophylla, Salvadora persica, Sonneratia caseolaris, Clerodendron inerme), seaweeds (Acanthophora muscoides, Microdictyon ... -
Molecular evidence for cryptic species among the Antarctic fish Trematomus bernacchii and Trematomus hansoni
(Cambridge University Press, 1997)The notothenid species Trematomus bernacchii has previously been shown, by allozyme analysis, to be a complex of two cryptic species, one of which being more closely related to T. hansoni than to the other T. bernacchii ... -
An overview of the planktonic foraminiferal fauna in waters off the Kerala Coast, south-west India during summer
(Marine Biological Association of India, 1997)Twentyeight species of planktonic Foraminifera are recorded from 46 plankton samples collected from 27 stations of 5 traverses along the Kerala Coast. The mean abundance of total foraminiferal sepcimens of all the stations ...