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aquaculture principles and practices second edition PDF

641 Pages·2009·9.93 MB·English
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AQUACULTURE PRINCIPLES AND PRACTICES Cage farm of the Svanoy Foundation at Svanoy,Norway (photograph:Ola Sveen). An aerial view of the fish farm complex of the Fish Culture Research Institute at Szarvas,Hungary (courtesy of Ferrence Müller). AQUACULTURE PRINCIPLES AND PRACTICES SECOND EDITION T. V. R. PILLAY Former Programme Director Aquaculture Development and Coordination Programme Food and Agriculture Organization of the United Nations Rome,Italy and M. N. KUTTY Former FAO/NACA Aquaculture Expert and Former Dean and Professor of Fisheries Tamil Nadu Aquacultural University Tamil Nadu,India © 2005 by Blackwell Publishing Ltd Editorial Offices: Blackwell Publishing Ltd,9600 Garsington Road,Oxford OX4 2DQ,UK Tel:+44 (0)1865 776868 Blackwell Publishing Professional,2121 State Avenue,Ames,Iowa 50014-8300,USA Tel:+1 515 292 0140 Blackwell Publishing Asia Pty Ltd,550 Swanston Street,Carlton,Victoria 3053,Australia Tel:+61 (0)3 8359 1011 The right of the Author to be identified as the Author of this Work has been asserted in accordance with the Copyright,Designs and Patents Act 1988. All rights reserved.No part of this publication may be reproduced,stored in a retrieval system,or transmitted,in any form or by any means,electronic,mechanical,photocopying, recording or otherwise,except as permitted by the UK Copyright,Designs and Patents Act 1988,without the prior permission of the publisher. First Edition published 1990 by Fishing News Books,an imprint of Blackwell Science Ltd Reissued in paperback 1993 Reprinted 1995,1996,1999,2001 Second Edition published 2005 by Blackwell Publishing Ltd Library of Congress Cataloging-in-Publication Data is available ISBN-10:1-4051-0532-1 ISBN-13:978-1-4051-0532-3 A catalogue record for this title is available from the British Library Set in 10 on 11 pt Times by SNP Best-set Typesetter Ltd.,Hong Kong Printed and bound in India by Repika Press Pvt Ltd,Kundli The publisher’s policy is to use permanent paper from mills that operate a sustainable forestry policy,and which has been manufactured from pulp processed using acid-free and elementary chlorine-free practices.Furthermore,the publisher ensures that the text paper and cover board used have met acceptable environmental accreditation standards. For further information on Blackwell Publishing,visit our website: www.blackwellpublishing.com This book is dedicated to the memory of the late Dr Sunder Lal Hora,who introduced the senior author to aquaculture and with whom he wrote his first book on the subject,and to the Svanoy Foundation of Norway,who encouraged him to write this book during his association with them. Dr T.V.R.Pillay passed away on 9 February 2005 at Bangalore.He worked,almost until the last day,to complete the revision of this book.I would like to believe that this edition will serve as a fitting memorial to Dr Pillay and his illustrious career in global aquaculture development. MNK Contents Preface,xiv 4.2 Land-based farms – conflicts,30 4.2.1 Soil characteristics,30 Acknowledgements,xvi 4.2.2 Acid sulphate soils,32 4.3 Open-water farms,34 4.4 Water quantity and quality,34 Part I Principles of 4.5 Sources of pollution and user conflicts, Aquaculture, 1 36 4.6 Environmental impact assessment,39 4.7 Social aspects of site selection and 1 Basis of Aquaculture,3 management,40 1.1 Scope and definition,3 4.8 Legal empowerment and licensing of 1.2 Cultural and socio-economic basis,3 farms,41 1.3 Biological and technological basis,4 4.9 References,41 1.4 Role in fishery management,5 1.5 References,6 5 Selection of Species for Culture,43 5.1 Biological characteristics of aquaculture 2 History of Aquaculture and its Present State,7 species,44 2.1 Origins and growth of aquaculture,7 5.2 Economic and market considerations,45 2.2 Present state of aquaculture,9 5.3 Introduction of exotic species,46 2.3 References,13 5.4 Common aquaculture species,48 5.5 References,55 3 National Planning of Aquaculture Development,14 3.1 National priorities and aquaculture 6 Design and Construction of Aquafarms,56 development,15 6.1 Inland and coastal pond farms,56 3.2 National resources,15 6.1.1 Data for pond farm design,56 3.3 Technology and human resources,19 6.1.2 Design and construction of pond 3.4 Legal and environmental factors,19 farms,61 3.5 Organization of aquaculture,21 6.2 Tank and raceway farms,77 3.5.1 Stakeholder participation,21 6.2.1 Tank farms,77 3.5.2 Employment opportunities,22 6.2.2 Raceway farms,82 3.5.3 Industrial-scale aquaculture,22 6.3 Cage farms,84 3.5.4 Investment requirements,23 6.3.1 Types of cages and layout of cage 3.5.5 Plan reviews and revisions,23 farms,84 3.6 Aquaculture for rural development,23 6.3.2 Submersible cages and cage 3.7 Aquaculture for social benefit,24 maintenance,87 3.7.1 Participation of the local 6.4 Pens and enclosures,90 community,24 6.5 Design and construction of hatcheries, 3.8 References,25 91 6.5.1 Source and supply of water,93 4 Selection of Sites for Aquaculture,27 6.5.2 Reconditioning and recirculation 4.1 General considerations,27 of water,94 ix

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sure that vital components are sustained or increased in the longer term. Planning on a short-term or a long-term basis would require evaluation of the costs and ben- efits of aquaculture and how it fits into the to- tal priorities of economical development of a country in the allocation of natural
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