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Interactions between Fish and Aquatic Macrophytes in Inland Waters: A Review / FAO
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Interactions between Fish and Aquatic Macrophytes in Inland Waters: A Review
FAO
 
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  Book ID : 29230
  ISBN-10 : 81-7035-403-X / 817035403X
  ISBN-13 : 978-81-7035-403-1 / 9788170354031
  Place of Publication : Delhi
  Year of Publication : 2005
  Edition :
  Language :
  vii, 185p., 24 Plts., 46 Figs., Bib., 29 cm. [FAO Fisheries Technical Paper 396]
   
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 CONTENTS
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 DESCRIPTION
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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 optimizing 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 verzea 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 ina 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.
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