F i s h Fishponds p o n in d s farming systems i n f a r m i n g s y s t e m edited by: A.J. van der Zijpp s J.A.J. Verreth Le Quang Tri M.E.F. van Mensvoort R.H. Bosma M.C.M. Beveridge Wageningen Academic P u b l i s h e r s Fishponds in farming systems Fishponds in farming systems edited by: A.J. van der Zijpp J.A.J. Verreth Le Quang Tri M.E.F. van Mensvoort R.H. Bosma M.C.M. Beveridge WWaaggeenniinnggeenn AAccaaddeemmiicc PPPP uuuu bbbbb llll iiii ssssss hhhh eeeeee rrrr ssssss This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned. Nothing from this publication may be translated, reproduced, stored in a computerised system or published in any form or in any manner, including electronic, mechanical, reprographic or photographic, without prior written permission from the publisher, Wageningen Academic Publishers, P.O. Box 220, 6700 AE Wageningen, ISBN: 978-90-8686-013-5 the Netherlands, e-ISBN: 978-90-8686-596-3 www.WageningenAcademic.com DOI: 10.3920/978-90-8686-596-3 The individual contributions in this publication and any liabilities arising from them remain First published, 2007 the responsibility of the authors. The publisher is not responsible for possible © Wageningen Academic Publishers damages, which could be a result of content The-Netherlands, 2007 derived from this publication. Contents Chapter 1 Interdisciplinary research on fishponds Programme for Optimisation of Nutrient Dynamics in integrated agriculture aquaculture farming systems 13 Chapter 2 Tilapia breeding in low-input systems Selection of fish for integrated agriculture-aquaculture systems 21 Hans Komen and Henk Bovenhuis Selecting Nile tilapia (Oreochromis niloticus) for growth in low-input environments 25 Harrison Charo-Karisa, Henk Bovenhuis, Mahmoud Rezk and Hans Komen Mass spawning of Oreochromis niloticus for fry production: threats and opportunities for small-scale aquaculture and selective breeding 37 Yonas Fessehaye, Henk Bovenhuis, Mahmoud Rezk, Raul Ponzoni and Hans Komen Decentralised Nile tilapia seed production 49 David C. Little, Benoy K. Barman, Mohammad M. Haque and M. Abdul Wahab Breeding program requirements in developing countries may differ depending on circumstances 59 Raul W. Ponzoni, Nguyen Hong Nguyen and Hooi Ling Khaw Chapter 3 Managing nutrients in fishponds Nutrient balances in ponds 71 Marc C.J. Verdegem Multi-species fishpond and nutrient balance 79 Mustafizur M. Rahman and Marc C.J. Verdegem Nutrient accumulation in Tilapia pond sediment and its agricultural uses 89 Amararatne Yakupitiyage, S.L. Ranamukhaarachchi, Yang Yi and Rahman Mizanur Using the fishpond as an improved nutrient trap for recycling nutrients on farm in North East Thailand and Mymensingh, Bangladesh 97 Kabir M. Shamsul, M. Abdul Wahab, Chittra Arjinkit, Danai Turongrouang, Roel H. Bosma and Marc C.J. Verdegem Fishponds in farming systems 7 Contents Chapter 4 Managing nutrients in IAA systems From nutrient balances towards soil organic matter dynamics 107 Jetse Stoorvogel Roles of ponds in integrated agriculture-aquaculture systems 125 Patricia N. Muendo, Jetse J. Stoorvogel, Marc C.J. Verdegem, El-Naggar Gamal and Johan A.J. Verreth Quantitative agro-ecological indicators and productive performance of Integrated Agriculture-Aquaculture systems in the Mekong Delta 135 Le Thanh Phong, Henk M.J. Udo, Martinus E.F. van Mensvoort, Anne A. van Dam, Le Quang Tri and Akke J. van der Zijpp Nutrient accumulation and water use efficiency of ponds in integrated agriculture- aquaculture farming systems in the Mekong delta 147 Dang K. Nhan, Le T. Duong, Le T. Phong, Marc C.J. Verdegem, Jetse J. Stoorvogel and Johan A.J. Verreth Chapter 5 Sustainability, livelihoods and markets Planet, profit and people: assessing sustainable development 161 Akke J. van der Zijpp Reducing waste production from aquaculture in China by feed formulation and system management: an overview 167 Shouqi Xie, Wu Lei, Xiaoming Zhu, Dong Han and Yunxia Yang Livelihood impacts of ponds in Asia-opportunities and constraints 177 David C. Little, Manjurul Karim, Danai Turongruang, Ernesto J. Morales, Francis J. Murray, Benoy K. Barman, Mohammad M. Haque, Nitai Kundu, Ben Belton, Golam Faruque, Ekram M. Azim, Faruk Ul Islam, Lindsay Pollock, Marc C.J. Verdegem, James A. Young, Will Leschen and M. Abdul Wahab Environment, governance and global markets 203 Simon R. Bush and Peter J.M. Oosterveer Chapter 6 IAA systems and sustainable development Research approaches to support development 213 Peter Edwards Participatory approaches in the Mekong delta, Vietnam 229 Le Quang Tri and Martinus E.F. van Mensvoort 8 Fishponds in farming systems Contents Banging the bells: communicating hope for rural environments 243 Lorna C. Malicsi Extension services and market integration of small farmers: Case studies of INVE and VN-Dutch Lady in Vietnam 253 Roel H. Bosma, Rudy H.R. Bijnens, Dick Harting and Tran Thanh Bê Assessing farmers’ motives for livelihood diversification in the Mekong delta: household life cycle, virtual farm size, and index of integration 261 Roel H. Bosma, Cao Quoc Nam, Henk M.J. Udo, Johan A.J. Verreth Livestock intensification in mixed farms: benefits and trade-offs 271 Henk M.J. Udo, B.O. Bebe, Tashi Samdup, Sutresniwati, I. Gede S. Budisatria, Aklilu H. Asgedom and Le Thanh Phong Farmers and fishponds in South East Asia: let the fish talk about the water 281 Ruerd Ruben Chapter 7 Strategies to enhance the role of fishponds in farming systems Strategies to enhance the role of fishponds in farming systems 295 Johan A.J. Verreth, Roel H. Bosma, Malcolm Beveridge, Le Quang Tri, Martinus E.F. van Mensvoort and Akke J. van de Zijpp Keyword index 305 Fishponds in farming systems 9
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