NOPR Collection:

Weight and count conversions in penaeid prawns

2017-01-03T07:19:57Z

Title: Weight and count conversions in penaeid prawns Authors: Subrahmanyam, M.; Mitra, P. M. Abstract: Prediction equations and conversion factors for whole or headless (tail) prawn are given for Penaeus monodon and P. indicus. Page(s): 183-184

Incidence of Microsporidosis in the Prawn, Metapenaeus monoceros (fabr.)

2017-01-03T07:18:20Z

Title: Incidence of Microsporidosis in the Prawn, Metapenaeus monoceros (fabr.) Authors: Subrahmanyam, M. Abstract: Microsporidosis, infection by a microsporidan parasite, tentatively identified as Nosema sp., has been reported in the prawn, M. monoceros. The infected hosts are flaccid and milky in appearance and died after capture. Page(s): 182-183

Distribution of pelagic polychaetes in the north-west Australian sea during winter

2017-01-03T07:16:31Z

Title: Distribution of pelagic polychaetes in the north-west Australian sea during winter Authors: Peter, George Abstract: Out of 32 species of pelagic polychaetes recorded in the Indian Ocean only 17 are found in the north-west Australian Sea during December 1963 and January 1964. A distinct pattern in the distribution of a few tropical species is observed in the area north of 170 S. The species like Sagitella kowalevskii and Phalacrophorus uniformis commonly met with in the 1st yr are totally not encountered in the samples from the same area in the 2nd year. The northern tropical zone is not only rich in species but also in abundance. Page(s): 180-182

Light Penetration in Vellar Estuary

2017-01-03T07:15:05Z

Title: Light Penetration in Vellar Estuary Authors: Bhatnagar, G. P.; Purushothaman, A. Abstract: Light penetration in Vellar Estuary and near shore water of Porto Novo, has been studied during February to April, 1969. The study reveals that more than 50% light is reduced even at a depth of 0.5 m in estuarine region. Yellow light penetrates deepest at all stations. Blue light is much reduced in the estuarine region. Compensation depth has not been observed even at the bottom of the entire estuary. The relation between attenuation coefficient and chlorophyll has been discussed. Page(s): 178-179