41. Land Resource Stresses And Desertification In Africa | World Soil Resources | NR Land resource stresses and desertification in Africa. PF REICH, ST NUMBEM, RA ALMARAZ and H. ESWARAN. Vulnerability to desertification. http://www.nrcs.usda.gov/technical/worldsoils/papers/desertification-africa.html

NRCS Home About Us News ... Contact Us Search National NRCS All NRCS Sites for Technical Resources Agronomy, Wind and Water Erosion Air Quality Conservation Practices ... Centers and Institutes Land resource stresses and desertification in Africa P.F. REICH, S.T. NUMBEM, R.A. ALMARAZ and H. ESWARAN Published in: P.F. Reich, S.T. Numbem, R.A. Almaraz and H. Eswaran. 2001. Land resource stresses and desertification in Africa. In:Bridges, E.M., I.D. Hannam, L.R. Oldeman, F.W.T. Pening de Vries, S.J. Scherr, and S. Sompatpanit (eds.). Responses to Land Degradation. Proc. 2nd. International Conference on Land Degradation and Desertification, Khon Kaen, Thailand. Oxford Press, New Delhi, India. Vulnerability to desertification in Africa is assessed using the information on soils, climate, and the previously evaluated land resource stresses. Desertification is, "land degradation in arid, semi-arid, and dry sub-humid areas resulting from various factors, including climatic variations and human activities". Excluded in the definition are areas that have a hyper-arid or a humid climate. The GIS Desertification Vulnerability map was coupled to an interpolated population density map to obtain estimates of the number of persons affected by desertification. Desertification processes affect about 46% of Africa. The significance of this large area becomes evident when one considers that about 43% of the continent is characterized as extreme deserts (the desert margins represent the areas with very high vulnerability). Only about 11% of the land mass is humid and by definition is excluded from desertification processes. There are about 2.5 million km

42. Desertification desertification is the process which turns productive into non productive desert as a result of poor land-management. WHAT CAUSES desertification? http://www.botany.uwc.ac.za/Envfacts/facts/desertification.htm

43. IDRC BOOKS: Online And In Print: International Development Research Centre Experience and Perspectives from Eastern and Southern Africa. Documents why grassroots indicators should play a key role in the monitoring, evaluation, and reporting systems for sustainable development and, more specifically, in efforts to reverse desertification and other forms of land degradation (Online book IDRC Focus Collection). http://www.idrc.ca/books/focus/794/

var static_ko="8958"; var static_section="201"; var static_langue="en"; IDRC.CA Publications Books Online Topic Explorer Publications Reports magazine Books Online ... Technologies Participate Editors Bill Carman ID: Added: 2002-09-09 15:09 (Ottawa) Modified: 2004-05-20 10:13 (Ottawa) IDRC BOOKS: Online and In Print IDRC Books is the publishing arm of Canada's International Development Research Centre. We publish, both online and in print, the results of IDRC-supported research on global and regional issues related to sustainable and equitable development. As a specialist in development literature, IDRC Books contributes to the body of knowledge on these issues to further the causes of global understanding, equity, and well-being. ECONOMICS IDRC Books: online and in print ENVIRONMENT AND BIODIVERSITY IDRC Books: online and in print FOOD AND AGRICULTURE IDRC Books: online and in print DEVELOPMENT, GENERAL IDRC Books: online and in print HEALTH IDRC Books: online and in print INFORMATION AND COMMUNICATION IDRC Books: online and in print NATURAL RESOURCES IDRC Books: online and in print SCIENCE AND TECHNOLOGY IDRC Books: online and in print SOCIAL AND POLITICAL SCIENCES IDRC Books: online and in print Document(s) DEPOSITORY LIBRARIES ORDERING INFORMATION PARTNER PUBLISHERS INFORMATION FOR AUTHORS AND EDITORS ... DISTRIBUTION AND SALES POLICY This item can be found in the following topics: Research Resources FATAL INDIFFERENCE Ronald Labonte, Ted Schrecker, David Sanders, and Wilma Meeus

44. MEDALUS - Mediterranean Desertification And Land Use International research project to investigate the effects of desertification on land use in Mediterranean Europe. http://www.cru.uea.ac.uk/cru/projects/medalus/

Climatic Research Unit Research and Projects MEDALUS at CRU Mediterranean Desertification and Land Use MEDALUS is an international research project to investigate the effects of desertification on land use in Mediterranean Europe. It is funded by the Commission of the European Communities Directorate-General XII for Science, Research and Development under its Environment Programme The Climatic Research Unit is a participant. The role of the Climatic Research Unit: Scenarios for impact assessment Data provision Personnel: Person E-mail address Dr. Jean Palutikof j.palutikof@uea.ac.uk Ms. Clare Goodess c.goodess@uea.ac.uk ... s.j.watkins@uea.ac.uk Dr. Maureen Agnew m.agnew@uea.ac.uk Publications: Publications by CRU staff based on MEDALUS research Last updated: March 1998

45. UNEP DEDC/PAC Publications Page Dcpacpub.htm COUNTDOWN OF BOOKS /PUBLICATIONS AVAILABLE FOR DISTRIBUTION IN DEDC/PAC REFERENCE CENTRE AS AT MAY 1996. Guide to desertification Control. 5 desertification. http://www.unep.org/unep/program/natres/land/dcpacpub.htm

PUBLICATIONS OF DEDC/PAC COUNTDOWN OF BOOKS /PUBLICATIONS AVAILABLE FOR DISTRIBUTION IN DEDC/PAC REFERENCE CENTRE AS AT MAY 1996 Guide to Desertification Control Our Planet Vol. 6 No. 5 Desertification Desertification Control Bulletin A Bulletin of World Events in the Control of Desertification, Restoration and Degraded Lands and Reforestation Bulletin published twice in a year with the purpose of informing the public and policy makers about the global events in the control of desertification and restoration of degraded lands. (Eng only) PAGES: 60 - 84pp ISSN: 0379-2455 PUBLISHER:UNEP Desertification Control Bulletin No. 31 Desertification Control Bulletin No. 30 Desertification Control Bulletin No. 29 Desertification Control Bulletin No. 28 ... Desertification Control Bulletin No. 18 Requests for further information may be forwarded to dcpacinf@unep.org Information Officer, Dryland Ecosystems and Desertification Control Programme Activity Centre United Nations Environment Programme Last Updated: 15/5/96 3:42:54 PM Maintained by: Zewdie Gebeyehu Zewdie.Gebeyehu@unep.org

46. Sunseed Trust / Sunseed Desert Technology - Research And Design For Aims to improve the quality of life and of environment of people living in arid, neardesert areas of the world, by researching desertification and appropriate technologies. http://www.sunseed.org.uk/

This is a frames based redirector. Your browser does not support frames. Please upgrade your browser. In the meantime, you can click here to get to the correct page. website by Onyx Internet comments? Clicknames Ltd. We are registered for VAT (733840729) and all our prices are quoted as both with and without UK VAT. VAT is charged to all UK residence and European Residents who cannot supply a European VAT number.

47. Tiempo Issue 8 Desertification The Scourge Of Africa desertification the scourge of Africa. Michael diminished. desertification is the term that has recently been given to this process. http://www.cru.uea.ac.uk/cru/tiempo/issue08/desert.htm

Desertification: the scourge of Africa Michael Bernard Kwesi Darkoh discusses the complex factors underlying the threat to Africa's drylands. WITHIN THE LAST DECADE or so, 25 countries in Africa have faced drastic food shortages as a result of the extended drought. The reduced capacity for food production has brought a population of over 200 million people to the verge of calamity. Some have died of starvation, and among the survivors, especially the children and young people, many will suffer impaired health for the rest of their lives. The international community brought in emergency aid, both in the form of food supplies and of technical assistance in rehabilitating drought victims. However, the drought hazard in Africa can be expected to continue, recurring at unpredictable intervals. It cannot be overcome by one-time massive injections of emergency aid. A long-range strategy must be developed which is capable of being realized under the given constraints of these impoverished regions through sustainable development of their fragile environment. The droughts and famines that have swept over Africa in the past and which are likely to strike again are not sudden natural disasters. Nor are they simply caused by lack of rainfall. They are the end-results of a long deterioration in the ability of Africa to feed itself, a decline caused largely by mistakes and mismanagement - both inside and outside the continent.

48. TPE Sur La Désertification : F. BIETH Et G. PERRIN Les causes et cons©quences de la d©sertification des d©serts du Sahara et du Sahel et les solutions envisag©es. Travail personnel encadr©. http://membres.lycos.fr/desertification

Votre navigateur ne supporte pas les frames... ?

49. Tiempo Climate Cyberlibrary, Tiempo - Issue 9, Desertification And Climate Chang desertification and climate change. If a humid area converts to subhumid, then the potential area within which desertification may occur will increase. http://www.cru.uea.ac.uk/tiempo/floor0/archive/issue09/t9art1.htm

Return to features index Desertification and climate change Mick Kelly and Mike Hulme address the complex and often uncertain links between climate change, prolonged aridification or desiccation, and desertification. They pay particular attention to the case of the African Sahel. The authors are staff members of the Climatic Research Unit at the University of East Anglia (Norwich, UK). The definition of desertification adopted by the United Nations Conference on Environment and Development in 1992 is land degradation in arid, semi-arid and dry sub-humid areas resulting from various factors including climatic variations and human activities. This definition cites climate variation as a direct causal factor and it implicitly links climate change and the assessment of the extent of desertification. Since arid, semi-arid and dry sub-humid areas are climatically defined, any change in climate which results in an expansion or contraction of these areas will alter the extent of the area in which desertification can be considered to occur. For example, if an arid area converts to hyper-arid because of climate change, then the area in which desertification may occur will decrease. Hyper-arid areas are not included in the accepted definition. If a humid area converts to sub-humid, then the potential area within which desertification may occur will increase.

50. Contents Perception of desertification. Table of contents (136 p.). Cable UNATUNIV TOKYO. Contents. 1. The context of studies into the perception of desertification. http://www.unu.edu/unupress/unupbooks/80190e/80190E00.htm

Perception of desertification Table of contents (136 p.) Edited by R. L. Heathcote The United Nations University ACKNOWLEDGMENTS Research for the reports contained in this monograph was financed from the United Nations University (Japan) Projects 77/16 to 19 and 79/242, and the Flinders University of South Australia. Additional support for the report in chapter 3 came from the University of Nebraska while the author was Visiting Professor in Geography in 1978. To these institutions and the many people in the field and in offices and libraries where research was conducted the authors express a deep sense of gratitude for their interest and help. CONTRIBUTORS Mr. M. Butler is Lecturer in Geography at the Adelaide College of the Arts and Education, Adelaide, South Australia 5001. Dr. R. L. Heathcote is Reader in Geography at the Flinders University of South Australia, Bedford Park, South Australia 5042. Mr. M. U. A. Tennakoon is senior Research Officer in the Central Bank of Ceylon, Colombo, Sri Lanka. At the time of writing, both Mr. Butler and Mr. Tennakoon were completing research towards a Ph.D. in Geography at Flinders University under Dr. Heathcote's supervision.

51. The Nubian Sandstone Aquifer System Cooperative multinational program to foster cooperation in groundwater studies and development, environmentally sound, agricultural and agropastoral development, restoration of disrupted ecological balance, and combating desertification (Egypt, Libya, and Sudan). http://isu2.cedare.org.eg/nubian/

Nubian Sandstone Aquifer System Programme The Nubian Sandstone Aquifer System (NSAS) is a huge groundwater resource shared among four countries within the Eastern Sahara in North-East Africa. These countries are Chad, Egypt, Libya and Sudan. The NSAS underlies an area in excess of 2.5 million km . It occupies a portion of the great arid zone belt of North Africa, extending northward into the Mediterranean Steppe and merging on the southern side into the subtropical climatic zone. The NSAS is a non-renewable resource. Its unrestricted development and utilisation would be tantamount to depletion of the water resource in the long term. This does not imply that groundwater development cannot take place or should be limited to the present recharge. Under the scarcity conditions of water in the region, which it is an overwhelmingly important constraint to the development of the rural economies, there is considerable scope for utilising this resource provided its use is governed by principles of economic rationality and sustainable development. Within this context, the "Programme for the Development of a Regional Strategy for the Utilisation of the Nubian Sandstone Aquifer System" was initiated to build up a vision for the sustainable management of this resource for the good of the coming generations. The area occupied by the Aquifer under study by this Programme, is 2.2 million km

52. Contents Social and environmental aspects of desertification. Table of contents (42 p.). 2. Regional reports on desertification. 3. Reports of thematic study groups. http://www.unu.edu/unupress/unupbooks/80127e/80127E00.htm

Social and environmental aspects of desertification Table of contents (42 p.) Edited by J.A. Mabbutt and Andrew W. Wilson Proceedings of an Inter-Congress Meeting of the International Geographical Union Working Group on Desertification in and around Arid Lands, held in conjunction with the Arid Lands Sub-programme of the United Nations University Natural Resources Programme, and the UNESCO/MAB Programme. 3-8 January 1979. Tuscon, Arizona, USA. THE UNITED NATIONS UNIVERSITY © The United Nations University, 1980 NRTS-5/UNUP-1 27 ISBN 92-808-0127-9 This report was published within the framework of the United Nations University's Programme on the Use and Management of Natural Resources. The views expressed are those of the editors and not necessarily those of the United Nations University. United Nations University Press The United Nations University 53-70 Jingumae 5-chome, Shibuya-ku Tokyo 150, Japan Tel.: (03) 3499-2811. Fax: (03) 3406-7345. Telex: J25442. Cable: UNATUNIV TOKYO. Contents Acknowledgements Introduction 1. Tucson-the city and the desert

53. Internet Resources For The Convention To Combat Desertification Information about intergovernmental organizations, national/regional activities,nongovernmental organizations in the field of desertification. Also related reports/news/information sources. http://www.iisd.ca/linkages/desert/desertsites.html

SELECTED INTERNET RESOURCES ON DESERTIFICATION INTERGOVERNMENTAL ORGANIZATIONS Convention to Combat Desertification Secretariat Global Environment Facility (GEF) International Fund for Agricultural Development (IFAD) L'Observatoire du Sahara et du Sahel (OSS) ... World Meteorological Organization (WMO) NATIONAL/REGIONAL ACTIVITIES National Desertification Funds Aral Sea MEDALUS II Mediterranean Europe Iceland ... Somalia Environmental Protection and Anti-Desertification Organization (SEPADO) NON-GOVERNMENTAL ORGANIZATIONS EcoNews Africa Eden Foundation International Arid Lands Consortium International Institute for Environment and Development ... RIOD NGO network REPORTS/NEWS/INFORMATION SOURCES CBD Clearing House Mechanism CEO-Desertification Information Network CIESIN Bibliography on Political Institutions and Environmental Change Earth Action Report on UNCCD: Dispelling Misconceptions, Building a Case (1998) ... UNEP and GRID-Arendal News

54. Apologies: We Can't Find The Page You're Looking For... Mediterranean desertification and Land Use 19911999Mediterranean desertification and Land Use 1991-1999. An eight year international, interdisciplinary research project funded by the http://www.panda.org/resources/factsheets/general/frame.htm?57desert.htm

55. World Bank Group | Land Resources Management | Desertification More on desertification. desertification Drylands cover more than 40% of the world s surface but are increasingly being affected by desertification. http://www.worldbank.org/desertification

Contact Us Help/FAQ Index Search ... Topics Search Home Dev Topics Rural Environment ... Key Issues Desertification About Us Strategic Issues Topics Desertification ... Who's Who Site Resources Ask Us Print-Friendly Page Adobe PDF Reader Email this Page More on Desertification The Convention to Combat Desertification The World Bank and the Convention to Combat Desertification Good Practice Of Interest Drylands, Poverty, and Development Desertification Drylands cover more than 40% of the world's surface but are increasingly being affected by desertification. Desertification is land degradation in arid, semi-arid and dry sub-humid areas resulting from climatic variations and human activities. It occurs because drylands are extremely vulnerable to over-exploitation and inappropriate land use (for example, deforestation, overgrazing, bad irrigation practices...) Desertification can lead to increased poverty, loss of land productivity, loss of biodiversity, internal and/or cross-border migrations of people, etc. More than 250 million people are directly affected by desertification. A further 1.1 billion people in more than 100 countries, many of which are World Bank development partners, are at risk from desertification. Data show that areas affected by desertification also tend to have the poorest, most marginalized and politically weak citizens. In response, the international community negotiated the Convention to Combat Desertification (CCD), which was ratified in 1996. As of March 2002, 179 Country Parties have signed the Convention. The CCD's framework focuses on human survival and conservation of natural resources and emphasizes multi-stakeholder commitment, participation, interdisciplinarity, and partnerships.

56. Index Information about international project, funded by the European Union, to investigate the effects of desertification on land use in Mediterranean Europe. http://www.medalus.demon.co.uk/

Mediterranean Desertification and Land Use An eight year international, interdisciplinary research project funded by the European Commission on environmental change in Mediterranean Europe. Outline of project Detailed work plans for MEDALUS III For all other information about the project, please contact the project office medalus@medalus.demon.co.uk Last modified April 2001 Indexes of institutions, participants and links from key words Document and data archive ... and related web sites

57. Desertification desertification. It would be a mistake to view the various ecological trends such as desertification as isolated, localized threats. http://www.worldbank.org/html/cgiar/newsletter/Sept97/10unep.html

Desertification by Elizabeth Dowdeswell, Executive Director, United Nations Environment Programme It would be a mistake to view the various ecological trends such as desertification as isolated, localized threats. Local threats they certainly are. But, they also form a mosaic whose patterns help define many of the key global concerns of our age - issues which, directly or indirectly, touch upon the lives of everyone. Desertification is a complex phenomenon whose effects are manifested socially. The hardships suffered by the millions who stay behind in a land gradually losing all its productivity and the millions of those who decide to leave their impoverished surroundings to an even more miserable existence in an urban setting - are the social manifestations of this malaise. These marginalized citizens - often women - have little support and few to care for them. Economically invisible, they do not appear on the spread-sheets of economists; they may have very little access to community services, to national programs, even to the processes of democracy. They may have no security of tenure on their land or even for the trees they plant. Programs in the past to control desertification have had limited success. Those which succeeded did so only in some areas and only for limited periods. Even small projects which were successful have seldom been replicable over large areas. The reasons for our failure are apparent: a palpable lack of political will, inadequate resources, emphasis on abstract planning rather than on field action, and neglect of the social dimensions of the problem.

58. Land Degradation And Desertification | World Soil Resources | NRCS International Union of Soil Sciences working group site offers conference reports, technical papers and links to other organizations. http://www.nrcs.usda.gov/technical/worldsoils/landdeg/index.html

NRCS Home About Us News ... Contact Us Search National NRCS All NRCS Sites for Technical Resources Agronomy, Wind and Water Erosion Air Quality Conservation Practices ... Centers and Institutes Land Degradation and Desertification The Working Group on Land Degradation and Desertification of the International Union of Soil Sciences AGENDA 21 of the United Nations Conference on Environment and Development emphasizes the need and proposes a wide range of activities to address land degradation in general and desertification in particular. As a response to this challenge, more than 100 countries have signed the Convention to Combat Desertification (CCD) in 1997. A key point of the CCD deals with scientific and technical cooperation on investigation, collection, evaluation of the processes and factors involved in land degradation leading to desertification. At the conclusion of the Conference on Land Degradation at Adana, an International Task Force on Land Degradation, to be formed under the auspices of the International Union of Soil Sciences (IUSS), was proposed and unanimously adopted. Plato: Attica (Athens) was no longer cultivated by true herdsmen, who made husbandry their business, and were lovers of honor, and of a noble nature. As a result Attica had become deforested, the soils depleted, and there are remaining only the bones of the wasted body –all the richer and softer parts of the soil having fallen away.

59. CARRE At SDSU - Aral Sea Desertification Study The Aral Sea Area desertification ChangeDetection Study. A tremendous amount of desertification can be seen between the years of 1973 and 1989. http://www.geology.sdsu.edu/facilities/carre/carre_study.html

C A R R E Central Asia Research and Remediation Exchange at San Diego State University The Aral Sea Area Desertification Change-Detection Study The following images show the drastic environmental changes that have occurred during the last few decades. As water from the Syr Darya and Amu Darya rivers has been diverted (primarily for irrigation of cultivated fields), the Aral Sea has been drying up, leaving large areas of evaporated pesticide-laden dust to blow over the local inhabitants. These images focus on the southern coast of the Aral Sea, as the shoreline recedes and former fishing ports are stranded far from the sea. A tremendous amount of desertification can be seen between the years of 1973 and 1989. These Landsat MSS processed subscenes of the southern Aral Sea area show the retreat of shoreline from the Muynak area, once a prosperous commercial fishing center. The Aral Sea is fed from the south by the Amu Dar'ya river, and from the east by the Syr Dar'ya river. For further information or for providing suggestions on what can be done to help the people of Central Asia, please contact: Prof. Eric G. Frost

60. Namibia-desertification Combating desertification in Namibia. Namibia s desertification Portal. This desertification portal is dedicated to provide information http://www.namibia-desertification.org/

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z

Page 3     41-60 of 119    Back | 1  | 2  | 3  | 4  | 5  | 6  | Next 20