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Fishery resources of the Exclusive Economic Zone of the northwest coast of India
For well over two decades now, trawling operations, both exploratory and commercial, have been going on along the north-western region, off the Goa, Maha rashtra and Gujarat coasts (15°-24°N). A…
Studies on zooplankton biomass and secondary and tertiary production of the EEZ of India
The zooplankton collected from 1,113 stations occupied in the EEZ of India and contiguous seas during the cruises 1-44 of FOKV Sagar Sampada during 1985-'88 has been analyscd for spatial…
Ecology of mudbanks - Phytoplankton productivity in Alleppey mudbank
The standing crop of phytcplankton, in terms of biomass, chloropliyll a and total ceils, recorded high values during the rise as well as maturity of the mudbank. However, the primary production …
Skeletal extension of staghorn coral Acropora formosa in relation to environment at Kavaratti atoll (Lakshadweep)
Results of growth studies in respect of skeletal extension on a staghorn coral Acroporaformosa in the Kavaratti atoll at Lakshadweep in relation to water temperature, pH, salinity, phosphate, nitrite, nitrate, calcium, current velocity, total suspended matter, sedi mentation, rainfall and zooplankton abundance are reported.
Studies on the infestation of an isopod crustacean, Cirolana fluviatilis in some parts of the Cochin backwaters, Kerala
The reason for the unprecedented population explosion of this isopod in the Kumbalangi- Perumpadappu area is the recent changes taken place in the ecosystem there.
Growth of staghorn coral Acropora aspera (Dana) (Scleractinia: Acropridae) in relation to environmental factors at Kavaratti atoll(Lakshadweep Islands), India
Seasonal reduction in calcification was probably associated with the reduced availability of light due to increased cloud cover and sediments in water and the effect of environmen tal factors seemed more critical to calcification.
Studies on quantitative abundance of Euphausiacea (Crustacea) with special reference to distribution in space and time along the southwest coast of India
- K. Mathew
- Environmental Science
The quantitative abundance and seasonal and spatial distribution of Euphausiaoea within the oontinental shelf waters between Calicut and Karwar along the southwest coast of India has been studied in…
Productivity of the Arabian Sea alongThe southwest coast of India
Monsoon plays a critical role in triggering environmental features such as seawater temperature, salinity, disolved oxygen content and nutrient generation which In turn become responsible for…
SEASONAL VARIATIONS IN THE ABUNDANCE OF PENAEID PRAWN SEED IN RELATION TO ENVIRONMENTAL PARAMETERS IN THE SEED GROUNDS OF COCHIN BACKWATERS
Early juveniles of Penaeus indicus, Metapenaues dobsoni and M. monoceros were collected from two centres in the shallow water areas in the Cochin backwaters where commercial seed collectors used to make their, prawn seed collections to understand the relative abundance and seasonal vari ations of commercially important prawn Seed of the above species.
Net avoidance behaviour among larval, juvenile and adult euphausiids
- K. Mathew
- Environmental Science
The present studies indicated that as far as the larvae were concerned, the degree of variation in abundance was least between day and night and this speaks for their inability to avoid an approaching net in the da> light.