Otegbeye, G.O. (2004). Drought and desertification: Challenges for afforestation in Nigerian arid and semi-arid regions. Savanna, 19: 1-11.Otegbeye, G.O (2004) Drought and Desertification:- Challenges for Afforestation in Nigerian and Semi -Arid Region Savanna 19 : Pp 32- 40...
productivity and increase agricultural production; lack of financial incentives; inadequate scientific research, education, data collection and monitoring; and limited participation by local communities, indigenous peoples and other civil society groups in decision-making on policies to combat desertification. ...
Ammonia is a refrigerant used with water as the absorbent ( solvent). Use of ammonia is declining with the introduction of refrigerants that have low toxicity and operate at lower system pressures. Water is most common refrigerant, and is used in combination with lithium bromide as absorbent. ...
Figures and Tables Acronyms Preface Introduction 1. What Is Desertification? Desertification Defined The Distribution of Drylands The Arid Zones Natural Deserts and Desertification The Two Main Characteristics of Desertification The Dire... E Nater,Deutsche Gesellschaft fuer Technische Zusammenarbeit, Eschborn...
Part I focuses on "what drought is' and "what drought does'. The importance of drought definitions to drought planning is discussed along with the linkages between drought and famine and drought and desertification. The concept of "drought follows the plow' is presented in order to underscore ...
Desertification is the degradation of arid, semi-arid and dry sub-humid environments when productivity is limited by water availability. Drought has an impact on both ecological and economic systems. Drought, similarly to land deterioration, affects almost every section of the globe, even humid areas...
In order to address the issue of national drought policy, the World Meteorological Organization (WMO), the Secretariat of the United Nations Convention to Combat Desertification (UNCCD) and the Food and Agriculture Organization of the United Nations (FAO), in collaboration with a number of partners...
Introduction Maize, rice, soybean, and wheat represent a significant share of the world’s agricultural production, and they are crucial to achieve both food and energy security1,2. The human consumption vs. animal feed competition nourished the debate about the environmental footprints due to land...
Introduction Agricultural drought is a phenomenon in which an imbalance between water balance and water deficit occurs in vegetation or crops due to external environmental factors, affecting the normal growth and development of vegetation or crops and leading to plant wilting or death1. Agricultural ...
Until the early seventies land degradation and desertification were not considered a major issue in most Mediterranean regions. Traditional agricultural s... DD Wrachien,R Ragab,A Giordano - 《Plant Physiology》 被引量: 15发表: 2005年 加载更多研究点推荐 drought mitigation measures Drought planning ...