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The Biology of Wood-Boring Teredinid Molluscs
Observations on the biochemical changes in gonads and other organs of Uca annulipes, Portunus pelagicus and Metapenaeus affinis (Decapoda: Crustacea) during the reproductive cycle
The fluctuations in biochemical constituents in gonad, muscle and hepatopancreas have been followed in 3 decapod crustaceans, Uca annulipes, Portunus pelagicus and Metapenaeus affinis, and the water and ash content of the entire body show no systematic fluctuation in relation to the annual reproductive cycle.
Ecology of marine fouling and wood-boring organisms of Western Norway
- N. Nair
- Environmental Science
- 20 November 1962
The hydrography, the fouling organisms and the effect of marine growth on borer activity were studied at five selected stations and the breeding season and rate of growth of Teredo megolara was determined.
Maturation and spawning in the hill-stream loach Noemacheilus triangularis Day
Five stages of maturity have been delineated forNoemacheilus triangularis Day. Progression of the mode in each stage of maturity has been traced from ova|diameter studies. The size at first maturity…
Effect of infestation with the isopod, Alitropus typus M. Edwards (Crustacea: Flabellifera: Aegidae) on the haematological parameters of the host fish, Channa striatus (Bloch)
SOME CILIATES FROM THE MARINE WOOD-BORING ISOPOD SPHAEROMA
Seven ectocommensalic ciliates, namely, Vorticella contpanida, Z<iothamnium rigidum, Cothiirnia gammari, Legenophrys cochinensis sp. nov., Epistylis gammari, FoHiculina producta and FoUcuUna holtoni,…
Ecology of Indian estuaries: 8. Inorganic nutrients in the Ashtamudi Estuary
- N. Nair, K. Dharmaraj, P. Azis, M. Arunachalam, K. Krishnakumar, N. Balasubramanian
- Environmental Science
Ashtamudi Backwater is the second largest estuarine system of the southwest coast of India. Surface and bottom waters from 52 stations covering the entire watershed from the lower reaches of the…
Ecology of Indian estuaries-XI. A preliminary survey of the fishery resources of the Ashtamudi estuarine system
Results revealed that the estuarine system supports a good capture fishery which is seasonal and the sources of pollution in the estuary system are described, aquacultural prospects of this area are discussed.
A Comparative Study of Bivalves Which Bore Mainly by Mechanical Means
This account of the boring mechanisms of those bivalve groups which bore mainly by mechanical means attempts to show partly by reference to published accounts of boring and partly from our own recent…