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Showing items 1 through 9 of 7.
  1. Library Resource
    Journal Articles & Books
    December, 2014
    Senegal, Mauritania, Mali, Burkina Faso, Algeria, Niger, Nigeria, Chad, Sudan, South Sudan, Eritrea, Cameroon, Central African Republic, Ethiopia, Africa, Sub-Saharan Africa, Middle Africa, Eastern Africa, Northern Africa, Southern Africa, Western Africa

    In Africa, where most agriculture is rainfed, crop growth is limited by water availability. Rainfall variability during a growing season generally translates into variability in crop production. While the seasonality of rainfall in the drier rangelands can play a significant role in productivity, rain-use efficiency (RUE)—the amount of biomass produced (in kilograms of dry matter per hectare) per millimeter of rainfall—also drives production.

  2. Library Resource
    Peer-reviewed publication
    October, 2014
    Algeria, Sudan, Burkina Faso, Nigeria, Mauritania, Chad, Mali, Cameroon, Senegal, Central African Republic, South Sudan, Ethiopia, Niger, Eritrea

    The Sahel has been the focus of scientific interest in environmental-human dynamics and interactions. The objective of the present study is to contribute to the recent debate on the re-greening of Sahel. The paper examines the dynamics of barren land in the Sahel of Burkina Faso through analysis of remotely-sensed and rainfall data from 1975–2011. Discussions with farmers and land management staff have helped to understand the anthropogenic efforts toward soil restoration to enable the subsistence farming agriculture.

  3. Library Resource
    Peer-reviewed publication
    October, 2014
    Algeria, Sudan, Burkina Faso, Nigeria, Mauritania, Chad, Mali, Cameroon, South Sudan, Central African Republic, Senegal, Ethiopia, Niger, Eritrea

    Climatic stress and anthropogenic disturbances have caused significant environmental changes in the Sahel. In this context, the importance of soil is often underrepresented. Thus, we analyze and discuss the interdependency of soil and vegetation by classifying soil types and its woody cover for a region in the Senegalese Ferlo. Clustering of 28 soil parameters led to four soil types which correspond with local Wolof denotations: Dek, Bowel, Dior and Bardial.

  4. Library Resource
    Peer-reviewed publication
    December, 2014
    Algeria, Sudan, Burkina Faso, Nigeria, Mauritania, Chad, Mali, Cameroon, Senegal, Central African Republic, South Sudan, Ethiopia, Niger, Eritrea, Africa

    Crown diameter and tree density were measured in 52 communities in the Sudan-Sahel using satellite imagery to determine the relationships between rainfall and distance from community center to crown size diameter and tree density. As distance from the community center increased, tree density and crown diameter decreased. As rainfall increased, tree density decreased while crown diameter increased. Distance from the community center is a proxy for age since urbanization and our results indicate that older parts of communities show longer and more consistent tree management.

  5. Library Resource
    Journal Articles & Books
    December, 2014
    Angola, Algeria, Egypt, Bangladesh, Niger, Liechtenstein, Somalia, Namibia, Bulgaria, Bolivia, Ghana, Pakistan, Cape Verde, Jordan, Liberia, Libya, Vietnam, Democratic People's Republic of Korea, Tanzania, Portugal, Cambodia, Ethiopia, Paraguay, Saudi Arabia, Lebanon, Slovenia, Burkina Faso, Slovakia, Mauritania, Croatia, Chile, China, Saint Kitts and Nevis, Jamaica, Djibouti, Guinea, Finland, Uruguay, Thailand, Seychelles, Nepal, Laos, Yemen, Philippines, South Africa, Kiribati, Uganda, Syrian Arab Republic, Nicaragua, Kazakhstan, Niue, Dominica, Benin, Nigeria, Belgium, Togo, Zimbabwe, Sri Lanka, United Kingdom, Malawi, Costa Rica, Cameroon, Morocco, Lesotho, Tokelau, Turkmenistan, Trinidad and Tobago, Netherlands, Iraq, Chad, Georgia, Montenegro, Mongolia, Marshall Islands, Belize, Afghanistan, Burundi, Belarus, Grenada, Greece, Andorra, Rwanda, Tajikistan, Haiti, Mexico, Saint Lucia, India, Latvia, Bhutan, Saint Vincent and the Grenadines, Malaysia, Norway, Czech Republic, Antigua and Barbuda, Fiji, Honduras, Mauritius, Dominican Republic, Luxembourg, Israel, San Marino, Peru, Indonesia, Vanuatu, North Macedonia, Suriname, Congo, Iceland, Cook Islands, Comoros, Colombia, Botswana, Nauru, Moldova, Sao Tome and Principe, Madagascar, Ecuador, Senegal, Maldives, Serbia, France, Lithuania, Mozambique, Zambia, Samoa, Holy See, Guatemala, Denmark, Germany, Australia, Austria, Venezuela, Iran, Palau, Kenya, Turkey, Albania, Oman, Tuvalu, Myanmar, Brunei Darussalam, Tunisia, Russia, Barbados, Brazil, Canada, Equatorial Guinea, United States of America, Qatar, Sweden, Ukraine, Guinea-Bissau, Eswatini, Tonga, Côte d'Ivoire, Republic of Korea, Guyana, Switzerland, Cyprus, Bosnia and Herzegovina, Singapore, Azerbaijan, Uzbekistan, Central African Republic, Poland, Kuwait, Gambia, Eritrea, Gabon, Estonia, Spain, Faroe Islands, El Salvador, Mali, Ireland, Malta, South Sudan, Sierra Leone, Panama, Bahamas, Solomon Islands, New Zealand, Monaco, Italy, Democratic Republic of the Congo, Japan, Kyrgyzstan, Armenia, Micronesia, United Arab Emirates, Argentina, Sudan, Bahrain, Hungary, Papua New Guinea, Cuba, Americas, Northern America, Europe, Asia, Africa, Global, Oceania

    Këto udhëzime janë instrumenti i parë i gjithanshëm botëror për të drejtat mbi burimet dhe administrimin e tyre që është përgatitur me negociata ndërqeveritare. Udhëzimet parashtrojnë parimet dhe standardet e pranuara botërisht të praktikave të përgjegjshme për përdorimin dhe mbajtjen në kontroll të tokës, burimeve të peshkimit dhe pyjeve.

  6. Library Resource
    Policy Papers & Briefs
    December, 2014
    Algeria, Burkina Faso, Benin, Burundi, Azerbaijan, China, Sri Lanka, Indonesia, Australia, Myanmar, Ethiopia, Republic of Korea, Central African Republic, Thailand, Nepal, Philippines, Kyrgyzstan, Uzbekistan, Cameroon, Japan, India, Kazakhstan
  7. Library Resource
    Journal Articles & Books
    December, 2014
    Algeria, Burkina Faso, Benin, United States of America, Spain, Burundi, Sweden, Germany, United Kingdom, Ghana, Congo, Ethiopia, Central African Republic, Kenya, Jordan, Tajikistan, Cameroon, Norway, Chad, Gabon, Uruguay, Canada

    The State of the World’s Forest Genetic Resources addresses the conservation, management and sustainable use of forest tree and other woody plant genetic resources of actual and potential value for human well-being in the broad range of management systems. This report complements two other FAO flagship publications in the field of forestry, the annual State of the World’s Forests and the periodic Global Forest Resources Assessment (FRA).

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