Tropical Grazing Land Ecosystems

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Tropical Grazing Land Ecosystems

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Author : Unesco
language : en
Publisher:
Release Date : 1979

Tropical Grazing Land Ecosystems written by Unesco and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Technology & Engineering categories.

Tropical Grazing Land Ecosystems

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Author :
language : de
Publisher:
Release Date : 1979

Tropical Grazing Land Ecosystems written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with categories.

Tropical Grazing Land Ecosystems

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Author : UNESCO
language : fr
Publisher:
Release Date : 1979

Tropical Grazing Land Ecosystems written by UNESCO and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with categories.

Tropical Grazing Land Ecosystems

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Author : Unesco
language : en
Publisher:
Release Date : 1979

Tropical Grazing Land Ecosystems written by Unesco and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Savanna ecology categories.

State Of Knowledge Report On Tropical Grazing Land Ecosystems Of Anglophone Africa

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Author : R. M. Lawton
language : en
Publisher:
Release Date : 1976*

State Of Knowledge Report On Tropical Grazing Land Ecosystems Of Anglophone Africa written by R. M. Lawton and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976* with Land use categories.

Tropical Grazing Land Ecosystems

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Author : Bernan Associates
language : en
Publisher:
Release Date : 1979-01-01

Tropical Grazing Land Ecosystems written by Bernan Associates and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979-01-01 with categories.

Tropical Grazing Lands

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Author : R.O. Whyte
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Tropical Grazing Lands written by R.O. Whyte and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.

1.1 Objective and scope These chapters are not intended as a treatise on range management of tropical grazing lands, nor on the agronomy of sown pastures and cultivated fodder crops, aspects of applied science that are only one stage above scientific farming and use of land. An attempt is made to present the vegetation sciences, or botany and ecology in their widest aspects, as the essential background for their application in economic land use and plant and animal husbandry. The basic thesis is that science is global, but that its practical application is restricted to specific biological and socio economic habitats. The region covered is termed the intertropical zone. This comprises the equatorial latitudes, the tropics and subtropics. It is not only that part of the globe lying between latitudes 30° north and south of the Equator, as proposed by some writers (DAVIES, W., 1960; repeated by DAVIES & SKIDMORE, 1966). Rather is it those regions of the world in which, at the lower elevations, certain families and members of the Gramineae and Leguminosae grow wild or can be cultivated. It may be a matter for discussion whether these plants in their wild communities or sown or planted crop mixtures are better indicators of a biological environment than the instruments and criteria of the meteorologists.

The Grazing Land Ecosystems Of The African Sahel

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Author : Henry N. Le Houerou
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

The Grazing Land Ecosystems Of The African Sahel written by Henry N. Le Houerou and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.

7. 2 The Pilot Zone of the FerIo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157 7. 2. 1 Geographical Zoning and Administrative Setup. . . . . . . . . . . . . 157 7. 2. 2 Climate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158 7. 2. 3 The Substratum. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161 7. 2. 4 Surface Water. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166 7. 2. 5 Vegetation and Rangelands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166 7. 2. 6 Wildlife. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168 7. 2. 7 Livestock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168 7. 2. 8 Evolution of Land Use and History of Development . . . . . . . . 170 7. 3 Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181 7. 3. 1 Principles, Problems and Methods . . . . . . . . . . . . . . . . . . . . . . . . 181 7. 3. 2 Evaluation of Green Herbaceous Biomass by Orbital Remote Sensing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188 7. 3. 3 Evaluation of Range Production from Ground Sampling . . . . 207 7. 3. 4 Low Altitude Systematic Reconnaissance Flights (SRF) . . . . . . 211 7. 3. 5 Practical Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215 7. 4 Conclusions on Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233 8 General Conclusions: Towards an Ecological Management of the Sahelian Ecosystems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241 Subject Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269 of Scientific Names. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275 . . . . . . . . . . . . Index Animals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275 Plants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277 VII Abbreviations and Acronyms AVHRR Advanced Very High Resolution Radiometer CILSS Comite Inter-Etats de Lutte contre la Secheresse au Sahel CIPEA Centre International pour l'Elevage en Afrique CNRS Centre National de la Recherche Scientifique CP Crude Protein (N x 6.

The Improvement Of Tropical And Subtropical Rangelands

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Author : National Research Council (U.S.). Board on Science and Technology for International Development
language : en
Publisher:
Release Date : 1990

The Improvement Of Tropical And Subtropical Rangelands written by National Research Council (U.S.). Board on Science and Technology 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 1990 with Science categories.

Grasslands Of The World

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Author : Food and Agriculture Organization of the United Nations
language : en
Publisher: Food & Agriculture Org.
Release Date : 2005

Grasslands Of The World 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 2005 with Business & Economics categories.

This book brings together information on the contrasting characteristics, condition, present use and problems of the world's main natural grasslands. Since grassland is commercialized through the grazing animal, particular attention is paid to the livestock production systems associated with each main type. Grazing resources are more than simply edible herbage: many other factors have to be taken into account, notably water in all areas, and shelter in winter-cold climates. Seasonality of forage supply is a characteristic of almost all grazing lands, so the strategies for dealing with lean seasons are described. The main problems of each type are mentioned and possible strategies for their sustainable management discussed - taking into account their multiple functions, not only livestock production. The book is primarily aimed at agricultural scientists, educationalists, extensionists and decision-makers with interests in responsible use of extensive grasslands.