8 resultados para 765-42

em Aquatic Commons


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*Table of Contents* Sustainable aquaculture Peter Edwards writes on rural aquaculture: Small-scale pond culture in Bangladesh. People in aquaculture Community based aquaculture - issues and challenges H.K. De and G.S. Saha. Aquaculture as an action programme: An exercise in building confidence and self worth. B. Shanthi, V.S. Chandrasekaran, M. Kailasam, M. Muralidar, T. Ravisankar,.C. Saradad and M. Krishnan The STREAM Column: Transforming policy recommendations into pro-poor service provision Graham Haylor. Research & farming techniques. Grow out of juvenile spotted Babylon to marketable size in earthen ponds II: Polyculture with seabass. S. Kritsanapuntu, N. Chaitanawisuti, W. Santhaweesuk and Y. Natsukari Asia-Pacific Marine Finfish Aquaculture Network. Influence of economic conditions of importing nations and unforeseen global events on grouper markets. Sih Yang Sim. Present status of hatchery technology for cobia in Vietnam. Nhu Van Can. Report on grouper hatchery training course in Indonesia. Nguyen Quoc Thai. Aquatic animal health. Biosecured and improved penaeid shrimp production through organic nursery raceway system in India. Felix. S. and M. Samaya Kannan. Management of monogenean parasites in brackishwater finfish. K.P. Jithendran, M. Natarajan and I.S. Azad. Vembanad Lake: A potential spawner bank of the giant freshwater prawn Macrobrachium rosenbergii on the southwest coast of India. Paramaraj Balamurugan, Pitchaimuthu Mariappan & Chellam Balasundaram.

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Planktobenthos was sampled in 1957-58 in the river Amur. A determination of the kind of organisms drifting in the mass of water of the Amur was carried out. Of special interest for the authors was the activity of drifting of benthic larvae.

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Despite the fact that it is a long time sinc e the methods of collection and quantitative estimatio n of protozoa were worked out data on the abundance of these animals in freshwaters are not very numerous. Nevertheless, Infusoria and Rhizopoda at high densities are widespread in the water and sediments of lakes and reservoirs. In order to find ou t the importance of infusoria as a food source for cyclopoids we carried out experimental investigations using C14. For this three species of cyclopoids, widely distributed in open regions of Rybinsk reservoir were selected: Cyclops vicinus, Mesocyclops oithonoides and Kesocyclops leuckarti. The data presented give evidence that the species investigated are able as predators to consume infusorian plankton arid bacteria in the form of flocs or small clumps of detritus.

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Drawing of Charles Darwin made in 1840 by George Richmond. Contents.

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Charles Darwin Foundation for the Galapagos Islands.

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