Browsing Institute's contributions by Issue Date
Now showing items 61-80 of 9167
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Vertical distribution of temperature, salinity and density in the upper 500 metres of the north equatorial Indian Ocean during the north-east monsoon period
(National Institute of Sciences of India, 1968)In the 4th and 5th scientific cruises of INS KISTNA under the Indian Programme of IIOE, five sections were worked out in the North Equatorial Indian Ocean during Jan-Feb 1963. Using the physical oceanographic data collected ... -
Solar radiation and its penetration in a tropical estuary
(Elsevier, 1968)The Cochin Backwater which is an estuarine area on the west coast of India receives maximum solar radiation from December to March and minimum from June to September. During the monsoon months the estuary becomes highly ... -
A comparison of the efficiency of the bottom samplers used in benthic studies off Cochin
(Springer, 1968)The efficiency of the van Veen and Foerst `Petersen' grabs used in sampling the bottom fauna near the Cochin Harbour area has been compared in two selected stations having different hydrographic and substratic conditions ... -
On the level of least motion and the circulation in the upper layers of the Bay of Bengal
(National Institute of Sciences of India, 1968)The paper presents the circulation pattern in the upper 500 metres of the western Bay of Bengal between 9 degrees N and 16 degrees N during the south-west monsoon period, based on the geo-potential anomalies computed from ... -
Upwelling along the east coast of India
(National Institute of Sciences of India, 1968)An examination of the physical characteristics of the shelf waters off Karaikal in the premonsoon period and off Madras and Waltair in the premonsoon and monsoon periods reveals the presence of upwelling along the East ... -
On the occurrence of Metapenaeopsis barbata (De Haan) (Decapoda: Penaeidae) in the Indian waters with taxonomic notes on the genus
(Marine Biological Association of India, 1968) -
Vertical distribution of oxygen in the Bay of Bengal and the Andaman Sea during February-March 1963
(National Institute of Sciences of India, 1968) -
Nutrients of the Cochin backwater in relation to environmental characteristics
(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 ... -
Occurrence of larvae of Pseudorhombus elevatus Ogilby (Heterosomata-Pisces) along the south-west coast of India
(Indian Academy of Sciences, Bangalore, 1969)Larvae of Pseudorhombus elevatus Ogilby ranging in standard length from 3.47 to 7.76 mm are described These were brought on board R.V Varuna in the vertical plankton haul collected during the International Indian Ocean ... -
Biochemical changes in relation to the breeding cycles of Nausitora hedleyi Schepman (Bivalvia: Teredinidae)
(Current Science Association, 1969)The biochemical changes in relation to the breeding cycles of Nausitora hedleyi - a typical estuarine boring bivalve were studied. The systematic variations in the annual reproductive cycle were also determined. Samples ... -
Preliminary notes on the decapod larvae of the Arabian Sea
(National Institute of Sciences of India, 1969)The note presents some general facts regarding the distribution of some of the larger groups of decapod larvae in the Arabian Sea Their relative numbers and the families and subfamilies, so far as can be recognized, ... -
On a new species of Xenophthalmus White, (Crustacea; Brachyura, Pinnotheridae) from Cochin
(Bombay Natural History Society, 1969)The paper describes a new species of the genus Xenophthalmus White, X garthii and compares it with the other two known species, X pinnotheroides White and X obscurus Henderson -
New records of hydromedusae from the shelf area off the Kerala coast
(Marine Biological Association of India, 1969) -
On the taxonomy of planctonic copepoda in the Cochin backwater (a south Indian estuary)
(Bremen : Kommissionsverlag F. Leuwer, 1969) -
Formation of the Chakra (mud bank) on the Kerala coast
(Current Science Association, 1969) -
Tidal cycle and the environmental features of Cochin backwater (a tropical estuary)
(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 ... -
A preliminary report on the biomass of chaetognaths in the Indian Ocean comparing the south-west and north-east monsoon periods
(National Institute of Sciences of India, 1969)The data for the present paper have been derived from the analysis 1276 standard samples of plankton collected during the International Indian Ocean Expedition (1962-65) At the Indian Ocean Biological Centre fractions (3-5 ... -
Identification of fish populations with particular reference to the pelagic fish stocks of the Indian Ocean region
(National Institute of Sciences of India, 1969)The most essential step in any fishery management is the identification of discrete fish populations. This is particularly important for the development of Indian Ocean pelagic fisheries. The simple signal character analysis ... -
Studies on the maturity and spawning of silver pomfret, Pampus argenteus (Euphr.) in the Arabian Sea
(National Institute of Sciences of India, 1969)Maturity and spawning of the Silver Pomfret, Pampus argenteus (Euphr.) have been studied in an area between the Gulf of Kutch and the Gulf of Cambay. The method of studying were: direct observation on the occurrence of ... -
Rediscovery of Bugulella clavata Hincks 1887 (Ectoprocta)
(Current Science Association, 1969)The species Bugulella clavata collected from the Krusadai island, Gulf of Mannar is redescribed Description is based on the three fragments of a colony at a depth of 5 m Redescription has helped to important features such ...