Fishery Intensification In Small Water Bodies

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Fishery Intensification In Small Water Bodies

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Author : John Frederic Moehl
language : en
Publisher: Food & Agriculture Org.
Release Date : 1993

Fishery Intensification In Small Water Bodies written by John Frederic Moehl and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Technology & Engineering categories.

Management strategies for fish populations in small impoundments are reviewed with consideration given to intensification techniques applied throughout the United States and Canada. The concept of balance in fish populations is used as a basis for illustrating the importance of maintaining desirable predator/prey relationships through stocking and harvest regulation of keystone predators. Generally, harvest levels for predators are reduced when species diversity and structural complexity of the environment are increased. Intensification is also achieved by enhancing water fertility through liming and fertilization. Case studies are presented representing contrasting climatic regions of North America while demonstrating similarities in management style. Principles and practices presented in this paper should be adaptable to the management of fisheries in small water bodies over a wider geographical range than discussed.

Fishery Intensification In Small Water Bodies A Review For North America Fao Fisheries Technical Paper 333

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Author : John F Moehl
language : en
Publisher: Palala Press
Release Date : 2015-09-05

Fishery Intensification In Small Water Bodies A Review For North America Fao Fisheries Technical Paper 333 written by John F Moehl and has been published by Palala Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-09-05 with categories.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Fisheries Management Of Small Water Bodies In Seven Countries In Africa Asia And Latin America

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Author : V. V. Sugunan
language : en
Publisher:
Release Date : 1997

Fisheries Management Of Small Water Bodies In Seven Countries In Africa Asia And Latin America written by V. V. Sugunan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Fish habitat improvement categories.

Small Water Bodies And Their Fisheries In Southern Africa

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Author : B. E. Marshall
language : en
Publisher: Food & Agriculture Org.
Release Date : 1994

Small Water Bodies And Their Fisheries In Southern Africa written by B. E. Marshall and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Nature categories.

Fao Fisheries Technical Paper

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Author :
language : en
Publisher:
Release Date : 1993

Fao Fisheries Technical Paper written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Aquatic resources categories.

Inland Capture Fisheries Of The Ussr

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Author : Rudolf Berka
language : en
Publisher: Food & Agriculture Org.
Release Date : 1990

Inland Capture Fisheries Of The Ussr written by Rudolf Berka and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Technology & Engineering categories.

The USSR has about 26 million ha of lakes, 7 million ha of reservoirs and 500 000 km of running waters on which inland fisheries can be practised. The principal characteristics of these water bodies are presented here, together with a survey of the most important species of fish, both indigenous and exotic, inhabiting the lakes and reservoirs. Details of inter-specific fish relationships are also discussed. Annual fish production from all inland waters, including aquaculture, had reached 988 000 tons by 1987. In addition anglers probably landed another 200 000 tons per year. Lake catches accounted for approximately 40-44% of the commercial catches, while the reservoir and riverine cataches contributed 28-34% and 23-30% respectively. Methods of fishery management are discussed, with emphasis on intensification practices. These include the establishment of highly productive fish farms and hatcheris, the conversion of reservoir shallows and small lakes into fish farms, the use of warmed effluent water from power stations, and the problems of introducing and acclimataing new species particularly Coregonidae and Chinese carps. The basic technical designs of fish passes and barriers are described, also details, design and operation of active and passive fishing equipment. Mention is made of legislation which governs fishing in the USSR, and some account is given of the development and current status of fisheries in the Aral and Caspian seas.

Management And Ecology Of Lake And Reservoir Fisheries

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Author : Ian G. Cowx
language : en
Publisher: John Wiley & Sons
Release Date : 2008-04-15

Management And Ecology Of Lake And Reservoir Fisheries written by Ian G. Cowx and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-04-15 with Technology & Engineering categories.

In this comprehensive edited book, international experts infisheries management and ecology review and appraise the status oflake and reservoir fisheries, assessment of fisheries yields,trophic ecology, rehabilitation and conservation, including aspecial section on African lakes where so much information of hugerelevance to fisheries managers is now available. Contributions from around the world. Carefully edited by internationally respected editor. Has been generated from acclaimed HIFI Symposium.

Fao Fisheries Technical Paper

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Author :
language : en
Publisher:
Release Date : 2002

Fao Fisheries Technical Paper written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Fisheries categories.

Inland Fisheries

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Author :
language : en
Publisher: John Wiley & Sons
Release Date : 2008-04-15

Inland Fisheries written by and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-04-15 with Technology & Engineering categories.

The current high demand for fish and increased awareness of the role of the environment in supporting human well being has led to a situation where attitudes to inland water resources are changing rapidly. Trends in resource use and environmental impact are very evident in inland waters which are particularly vulnerable as they act as collectors of all the activities occurring in their basins and rank as some of the most endangered ecosystems in the world. The principle changes influencing the evolution of the aquatic resource for fisheries are described in this book, which has been compiled for the Food and Agriculture Organization of the United Nations.

Aquaculture Development

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Author : Food and Agriculture Organization of the United Nations
language : en
Publisher: Food & Agriculture Org.
Release Date : 1997

Aquaculture Development written by Food and Agriculture Organization of the United Nations and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Business & Economics categories.

Provides annotations to the Principles of Article 9 of the Code of Conduct for Responsible Fisheries. These annotations are meant to serve as general guidance, and should be taken as suggestions or observations intended to assist those interested in identifying their own criteria and options for actions, as well as partners for collaboration, in support of sustainable aquaculture development.