Browsing Scholarly literature by Author "Nair, S.R.S."
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A new record of two penaeid species from Goa Coast
Achuthankutty, C.T.; Nair, S.R.S. (Indian Fisheries Association, 1993)Adults of Penaeus japonicus (Bate) and juveniles of P. canaliculatus (Olivier) were recorded for the first time from the coastal estuarine regions of Goa, (India) respectively. Their presence in Goa waters suggests that ... -
A Preliminary Account on the Distribution of Decapod Larvae in the Konkan Waters
Achuthankutty, C.T.; Nair, S.R.S. (Indian Association for Limnology and Oceanography, 1981)Decapod larval distribution in Konkan coastal waters was studied during the premonsoon season (March-April). Sergestid was the largest group forming 80.55% of the total decapod crustacean larvae. Penaeid larvae constituted ... -
Blooms of phytoplankton along the west coast of India associated with nutrient enrichment and the response of zooplankton
Nair, S.R.S.; Devassy, V.P.; Madhupratap, M. (Amsterdam: Elsevier, 1992)Incidents of blooms of phytoplankton, discolourations of coastal estuarine waters and swarms of zooplankton are regular features along the west coast of India These are generally concomitant with changes in the chemical ... -
Chaetognatha of the Andaman Sea
Nair, V.R.; Achuthankutty, C.T.; Nair, S.R.S.; Madhupratap, M. (CSIR-NISCAIR, 1981)Chaetognatha of the Andaman Sea were studied during 51 and 52 cruises of R.V Gaveshani (Jan to Feb 1979) The area between southeast of Andaman island and north of Nicobar island had relatively higher density Total population ... -
Comparison live adult Artemia and squid meat on the growth of Penaeid shrimp Metapenaeus dobsoni (Miers)
Nair, S.R.S.; Achuthankutty, C.T.; Royan, J.P. (Indian National Science Academy, 1995)An experiment lasting 14 weeks was conducted to compare the efficiency of live adult Artemia with fresh squid meat on growth of penaeid shrimp Metapenaeus dobsoni. The shrimps were found actively feeding on live Artemia ... -
Discolouration of water and its effect on fisheries along the Goa Coast
Devassy, V.P.; Nair, S.R.S. (Indian Association for Limnology and Oceanography, 1987)During February-April 1987 an intense bloom of Noctiluca miliaris Suriray was observed in the lower reaches of the Mandovi and Zuari estuaries and the coastal waters of Goa. The bloom also extended from Mangalore to Malvan. ... -
Ecological studies on the floating weed Salvinia auriculatia in Cochin backwaters and adjacent areas. I. Associated fauna
Gopalan, U.K.; Nair, S.R.S. (Department of Marine Sciences, 1975) -
Effect of industrial effluents on biota: a case study off Mangalore, west coast of India
Devassy, V.P.; Achuthankutty, C.T.; Harkantra, S.N.; Nair, S.R.S. (CSIR-NISCAIR, 1987)The inshore waters off Mangalore, receiving industrial effluent discharge were studied for phytoplankton, zooplankton and benthic populations, from December 1984 to May 1985. Total phytoplankton population varied from 7 ... -
Estimates of high absolute densities and emergence rates of demersal zooplankton from the Agatti Atoll, laccadives
Madhupratap, M.; Achuthankutty, C.T.; Nair, S.R.S. (American Society of Limnology and Oceanography, 1991)Direct sampling of the sandy substratus of the Agatti Lagoon with a corer showed the presence of vary high densities of epibenthic forms. On average, densities were about 25 times higher than previously estimated with ... -
Feeding behaviour of salp Thalia democratica (Thaliacea)
Nair, S.R.S.; Achuthankutty, C.T.; Bhattathiri, P.M.A.; Madhupratap, M. (NISCAIR, CSIR, 1995)The salp Thalia democratica was found to feed on Chaetoceros sp. continuously during the entire experimental period of 24 hours. The rate of consumption (0.09-0.16% animal sup(-1) h sup(-1)), however, did not differ ... -
Growth of juvenile shrimp Metapenaeus monoceros fed with squid and mussel
Achuthankutty, C.T.; Nair, S.R.S.; Krishnakumari, L. (NISCAIR, New Delhi, 1993)Small juveniles of both sexes and females of large juveniles of Metapenaeus monoceros attained faster growth with squid diet. Males of large juveniles registered better growth with mussel diet. No significant difference ... -
In vitro fertilization of banana prawn Penaeus merguiensis de Man
Nair, S.R.S. (Indian Association for Limnology and Oceanography, 1987)Successful in Vitro fertilization of the commercially important prawn, Penaeus merguiensis has been achieved. Suspensions of sperms and ova were mixed and agitated for five minutes. Healthy nauplii were observed on following ... -
Larval Migration and growth of Marine Prawns in the Estuarine Habitat
Achuthankutty, C.T.; Nair, S.R.S. (Indian Association for Limnology and Oceanography, 1983)Larval migration and growth of @iMetapenaeus dobsoni, M. monoceros, M. affinis@@ and @iPenaeus merguiensis@@ were studied in the Mandovi Estuary and a nearby mangrove swamps for one year. In general, total number of larvae ... -
Major crustacean groups and zooplankton diversity around Andaman-Nicobar islands
Madhupratap, M.; Nair, S.R.S.; Achuthankutty, C.T.; Nair, V.R. (CSIR-NISCAIR, 1981) -
Mangrove Swamps as Fry source for Shrimp Culture - A Case Study
Achuthankutty, C.T.; Nair, S.R.S. (Indian Association for Limnology and Oceanography, 1980)Three species of commercially important penaeid prawns, viz. Metapenaeus dobsoni, M. monoceros and Penaeus merguiensis occur in the Pilerne mangrove swamp of Goa. M. dobsoni was the dominant species contributing 42.66% ... -
Marine prawn fishery of India - Its problems and prospects
Achuthankutty, C.T.; Nair, S.R.S. (Omega Scientific Publ., New Delhi, 1996) -
Maturation of Metapenaeus moyebi (Kishinouye) in Goa estuaries
Nair, S.R.S.; Achuthankutty, C.T.; Parulekar, A.H. (University of Kerala, Thiruvananthapuram, 1993)An assessment of the stake net fishery in the Mandovi and Zuari estuaries of Goa revealed that Metapenaeus moyebi, a penaeid prawn hitherto rarely recorded in Indian waters, formed a good percentage of the estuarine prawn ... -
Maturation of the penaeid prawn Metapenaeus moyebi in Mandovi Estuary, Goa
Nair, S.R.S.; Achuthankutty, C.T.; Parulekar, A.H. (NISCAIR, New Delhi, 1993)Metapenaeus moyebi contributed a good share of penaeid prawn population in the Mandovi Estuary of Goa, India throughout the year. Both males and females of this species with fully mature gonads were observed in the estuary, ... -
Maturity of penaeid prawn Metapenaeus moyebi in the estuary
Achuthankutty, C.T.; Nair, S.R.S. (1992) -
Microdistribution of zooplankton in the neustonic realm of the eastern Arabian Sea during southwest monsoon
Achuthankutty, C.T.; Nair, S.R.S.; Nair, V.R.; Padmavati, G.; Madhupratap, M. (Oxford and IBH, New Delhi, 1992)During the southwest monsoon season of 1987, the zooplankton distributions in the neustonic realm (upper 50 cm) of the eastern Arabian Sea were studied and compared with those in the water column. The upper microlayer ...