9788170354031 - interactions between fish and aquatic macrophytes in inland waters (3 risultati)
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Da: Majestic Books, Hounslow, Regno UnitoMajestic Books
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Condizione: New. pp. vii + 185 46 Figures Maps.
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Da: Vedams eBooks (P) Ltd, New Delhi, IndiaVedams eBooks (P) Ltd
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Hardbound. Condizione: As New. New. Contents 1. Introduction. 2. Aquatic macrophytes as a fish habitat. 3. Fish and other vertebrates of fishery significance that feed on aquatic macrophytes. 4. Aquatic macrophytes water quality and fish. 5. Aquatic macrophytes as a link in the food chain. 6. Piscivorous fish prey relationships…and aquatic macrophytes. 7. Invasive and nuisance aquatic plants and fish. 8. Special floating plant communities and fish. 9. Inundated forests submersed trees in reservoirs and fish. 10. Fish densities standing crop and production and aquatic macrophytes. 11. Aquatic macrophytes recreational fisheries and recreation impact. 12. Fish capture methods in vegetated water bodies. 13. Aquatic plant management and fish. 14. Aquatic macrophytes as a Habitat of vectors and hosts of tropical diseases and biological control using fish. Conclusions. References. For a fishery manager it is important to understand the role of aquatic macrophytes in inland waters as this will assist in adjusting strategies for optimising capture fisheries. Fish crayfish some mammals and birds and some other organisms use macrophytes to their benefit such as spawning nursery feeding grounds and as a refuge. Macrophytes play an important role in the fish food chain especially as a substrate for aquatic organisms on which the fish feed. Aquatic plants have a controlling effect on prey predator interrelationship have an important function in water quality and hence can be used in biomanipulation for improving fish stocks. Special plant communities such as floating meadows of varzea and igapo are essential for fish and fisheries in the Amazon basin while sudd formation may lead to the reduction in fish stocks. Invasive and nuisance aquatic plants both floating and submersed also interfere when present on a large scale. Fish can be used for controlling aquatic macrophytes and through their control also for the control of hosts and vectors of human water borne diseases. The document shows the roles of macrophytes in a variety of situations to assist in finding the best way of managing aquatic plants for fishery objectives such as enhancement of preferable fish stocks removal or reduction of undesired fish species and improvement of water quality. 185 pp.
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Da: Books in my Basket, New Delhi, IndiaBooks in my Basket
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Hardcover. Condizione: New. ISBN:9788170354031.
