Cifa Technical Paper
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Cifa Technical Paper
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Author :
language : en
Publisher:
Release Date : 1972
Cifa 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 1972 with Fisheries categories.
Cifa Technical Paper
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Author : Food and Agriculture Organization of the United Nations. Committee for Inland Fisheries of Africa
language : en
Publisher:
Release Date : 1994
Cifa Technical Paper written by Food and Agriculture Organization of the United Nations. Committee for Inland Fisheries of Africa and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Fisheries categories.
Report To The United States Congress Technical Background Papers
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Author : United States. Agency for International Development
language : en
Publisher:
Release Date : 1976
Report To The United States Congress Technical Background Papers written by United States. Agency for International Development and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Economic assistance, American categories.
Integrated Irrigation And Aquaculture In West Africa
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Author : Food and Agriculture Organization of the United Nations
language : en
Publisher: Food & Agriculture Org.
Release Date : 2006
Integrated Irrigation And Aquaculture In West Africa 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 2006 with Business & Economics categories.
This publication contains background documents and papers presented at a workshop on integrated irrigation aquaculture (IIA), held in Mali in November 2003, as well as the findings of FAO expert missions on IIA in the West Africa region. The rationale for IIA development lies in its potential to increase productivity of scarce freshwater resources and to reduce pressure on natural resources, issues of particular important in the drought-prone countries of West Africa.
Role Of Fishery Technology In Management And Development Of Freshwater Fisheries In Africa
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Author : Food and Agriculture Organization of the United Nations. Fishery Industries Division
language : en
Publisher: Food & Agriculture Org.
Release Date : 1979
Role Of Fishery Technology In Management And Development Of Freshwater Fisheries In Africa written by Food and Agriculture Organization of the United Nations. Fishery Industries Division 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 1979 with Technology & Engineering categories.
A Strategic Reassessment Of Fish Farming Potential In Africa
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Author : José Aguilar-Manjarrez
language : en
Publisher: Food & Agriculture Org.
Release Date : 1998
A Strategic Reassessment Of Fish Farming Potential In Africa written by José Aguilar-Manjarrez 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 1998 with Business & Economics categories.
"(Reprint. First published in 1998) The present study is an update of an earlier assessment of warm-water fish farming potential in Africa, by Kapetsky (1994). The objective of this study was to assess locations and areal expanses that have potential for warm-water and temperate-water fish farming in continental Africa. The study was based on previous estimates for Africa by the above author, and on estimates of potential for warm-water and temperate-water fish farming in Latin America by Kapetsky and Nath (1997). However, a number of refinements have been made. The most important refinement was that new data allowed a sevenfold increase in resolution over that used in the previous Africa study, and a twofold increase over that of Latin America (i.e. to 3 arc minutes, equivalent to 5 km x 5 km grids at the equator), making the present results more usable in order to assess fish farming potential at the national level. A geographical information system (GIS) was used to evaluate each grid cell on the basis of several land-quality factors important for fish-farm development and operation regardless of the fish species used. Protected areas, large inland water bodies and major cities were identified as constraint areas, and were excluded from any fish farming development altogether. Small-scale fish farming potential was assessed on the basis of four factors: water requirement from ponds due to evaporation and seepage, soil and terrain suitability for pond construction based on a variety of soil attributes and slopes, availability of livestock wastes and agricultural by-products as feed inputs based on manure and crop potential, and farm-gate sales as a function of population density. For commercial farming, an urban market potential criterion was added based on population size of urban centres and travel time proximity. Both small-scale and commercial models were developed by weighting the above factors using a multi-criteria decision-making procedure. A bioenergetics model was incorporated into the GIS to predict, for the first time, fish yields across Africa. A gridded water temperature data set was used as input to a bioenergetics model to predict number of crops per year for the following three species: Nile tilapia (Oreochromis niloticus), African catfish (Clarias gariepinus) and Common carp (Cyprinus carpio). Similar analytical approaches to those by Kapetsky and Nath (1997) were followed in the yield estimation. However, different specifications were used for small-scale and commercial farming scenarios in order to reflect the types of culture practices found in Africa. Moreover, the fish growth simulation model, documented in Kapetsky and Nath (1997), was refined to enable consideration of feed quality and high fish biomass in ponds. The small-scale and commercial models derived from the land-quality evaluation were combined with the yield potential of each grid cell for each of the three fish species to show the coincidence of each land-quality suitability class with a range of yield potentials. Finally, the land quality-fish yield potential combinations were put together to show where the fish farming potential coincided for the three fish species."
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.
Report Of The Ninth Session Of The Committee For Inland Fisheries Of Africa
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Author : Food and Agriculture Organization of the United Nations. Committee for Inland Fisheries of Africa. Session
language : en
Publisher: Food & Agriculture Org.
Release Date : 1995
Report Of The Ninth Session Of The Committee For Inland Fisheries Of Africa written by Food and Agriculture Organization of the United Nations. Committee for Inland Fisheries of Africa. Session 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 1995 with Fisheries categories.
African Water Resource Database Technical Manual And Workbook Technical Manual
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Author : Jeff Jenness
language : en
Publisher: Food & Agriculture Org.
Release Date : 2007
African Water Resource Database Technical Manual And Workbook Technical Manual written by Jeff Jenness 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 2007 with Business & Economics categories.
The African Water Resource Database (AWRD) is a set of data and custom-designed tools, combined in a geographic information system (GIS) analytical framework, aimed at facilitating responsible inland aquatic resource management with a focus on inland fisheries and aquaculture. It thus provides a valuable instrument to promote food security. The AWRD data archive includes an extensive collection of datasets covering the African continent, including: surface waterbodies, watersheds, aquatic species, rivers, political boundaries, population density, soils, satellite imagery and many other physiographic and climatological data. This technical paper is the second of two publications about the AWRD, and it includes a technical manual for spatial analysts and a workbook for university students and teachers. The first part of this technical paper is available separately (ISBN 9789251057407).
Aquaculture Technology In Developing Countries
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Author : Randall E. Brummett
language : en
Publisher: Routledge
Release Date : 2016-04-08
Aquaculture Technology In Developing Countries written by Randall E. Brummett and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-08 with Nature categories.
Aquaculture technology has been evolving rapidly over the last two decades, led by an increasingly skilled cadre of researchers in developing countries. Rather than copying, or adapting work done in industrialized countries to their situations, these scientists are moving aquaculture research out of the box to explore species and production systems relevant to their natural resources, economies and social institutions. Studies from India, Latin America, the Middle East and Africa are highlighted in this collection of papers, covering the entire gamut of aquaculture science from comparison of tilapia breeds, novel feed ingredients for indigenous species, improving disease resistance, water-use efficiency, traditional farming systems, spatial planning and economics. More than a how-to book, this volume introduces the researchers and institutions leading the development of aquaculture as it expands into new frontiers. This book was based on a special issue of the Journal of Applied Aquaculture.