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Author : Peter Felker
Publisher : Unknown
Page : 444 pages
File Size : 48,8 Mb
Release : 1986
Category : Arid regions
ISBN : OCLC:1256742962
Author : Jeffery Burley
Publisher : Unknown
Page : 66 pages
File Size : 41,5 Mb
Release : 1982
Category : Gardening
ISBN : STANFORD:36105038670266
UNU-UN Pub. Comparison of obstacles to tree planting (forest establishment) in semi-arid and arid zones of India and Kenya - examines recent trends in forestry; discusses forest policies, forest products and social forestry; studies land tenure and land utilization, etc.; and compares environmental and other factors. Illustrations and references.
Author : Michel Baumer,Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
Page : 288 pages
File Size : 51,5 Mb
Release : 1983
Category : Arid regions
ISBN : 9251013543
Author : Henk Breman,Jan-Joost Kessler
Publisher : Springer Science & Business Media
Page : 353 pages
File Size : 51,9 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9783642792076
This book provides a quantitative analysis of the role of woody plants in semi-arid regions, for the aSSessment of their benefits in agrosylvopastoralland-use systems with productive and sus tainability objectives. The insights presented and conclusions drawn allow the additional benefits of woody plants for specific climatic and physical site conditions and land-use systems to be estimated. The Sahel and Sudan zones in West Africa, on which the book focusses, represent resource-poor conditions, whose ecological dynamics have been relatively well studied. The role of woody plants in this region, as assessed in this book, is extrapolated to other semi-arid regions, leading to general conclusions on agroforestry's potential as an option for sustainable land use in semi-arid regions. The origins of this book go back to 1982, when the Club du Sahel requested that available data on woody plants in the Sahel region be synthesised, to provide basic information to enable better attention to be given to woody plants in rural development programmes. We are grateful to the Club du Sahel for this challenge. Various people contributed to studies used in this book. The preliminary inventory of the data available was made by Frits Ohler; later his work was continued by Franciska Dekker.
Author : P. K. Khosla
Publisher : Unknown
Page : 416 pages
File Size : 45,8 Mb
Release : 1993
Category : Agroforestry
ISBN : CORNELL:31924067998074
Contributed articles.
Author : Panna Ram Siyag
Publisher : Springer Science & Business Media
Page : 300 pages
File Size : 52,5 Mb
Release : 2013-09-24
Category : Technology & Engineering
ISBN : 9789400774513
The book is a comprehensive manual of practice for execution of afforestation and tree planting programmes in arid and semi-arid tropics. It includes a compact running account of the technology of afforestation and the relevant principles and practices in management of afforestation projects. It provides a wide range of structured information and a number of model designs which can be gainfully put to use by the field level supervisors as also by the managers concerned with planning and control of such projects. Written by a practising specialist, the book is invaluable for anyone concerned with the practice of afforestation and tree planting, be he a tree hobbyist or a school teacher, a professional forester or a senior policy maker in government, an industrialist or a philanthropist, an environmental activist or a member of a community service organization.
Author : Jianping Huang,Xiaodan Guan,Haipeng Yu
Publisher : World Scientific
Page : 655 pages
File Size : 50,9 Mb
Release : 2023-11-10
Category : Science
ISBN : 9789811276194
Semi-arid regions are ecological security barriers that prevent arid regions from expanding and turning into deserts. The expansion of arid regions and desertification seriously threaten ecological security, and human society cannot achieve sustainable development in an insecure ecological environment. As the transitional zone between arid and humid regions, semi-arid regions lay the foundation of ecological safety for the development of human society.This book provides an overview of processes and mechanisms that characterize semi-arid climate change both regionally and globally. It explains systematically theoretical concepts , including land-atmosphere interactions, ocean-atmosphere interactions, and factors that contribute to climate change, including the impact of human activities. A summary of recent progress in the research in the field and the future of semi-arid regions are also discussed.This book is a specialized monograph and textbook for graduate students of Earth sciences. It is also suitable for undergraduate or graduate students in related majors such as those engaged in atmospheric science, climate change studies, and Earth sciences.
Author : Julian Evans
Publisher : Oxford University Press
Page : 422 pages
File Size : 49,6 Mb
Release : 1992
Category : Psychology
ISBN : 9780198542575
This new edition has been completely revised to provide up-to-date accounts of silvicultural practices, rural development issues, and the wider role that tree-planting plays. The chapters on agroforestry and protection forestry have been virutally rewritten, while throughout the book theimportant place of social forestry is recognized.
Author : R.N. Kaul
Publisher : Springer Science & Business Media
Page : 444 pages
File Size : 45,9 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9789401033503
The increasing world population is already causing intensive pressure on the most productive areas of the earth's surface. Hopes of improved living standards, if realised, will increase the pressure still further. The need to make better use of less productive areas thus becomes an urgent priority for human endeavour. In this respect, the arid and semi-arid regions of the world, occupying about 11,000 million acres or 4,500 million hectares, roughly one third of the tota11and surface, pose a constant challenge to man's technological skill. Though the possibilities of economic use of the real deserts are inherently limited, there remain vast areas with less extreme conditions where sustained research is capable of yielding substantial gains in pro ductivity. The problem is so large that it can be solved only by the coordinated efforts of workers in many countries and many disciplines. Forestry has a special part to play, not only for its potential value for wood production but still more for the beneficial effects of shelter from desiccating winds which so commonly accompany arid conditions. Mr. KA UL is to be congratulated on his initiative to pool the results of research on afforestation in arid zones in many parts of the world, and to present them in a single volume in the form of separate monographs.
Author : J.R. Brandle,D.L. Hintz,J.W. Sturrock
Publisher : Elsevier
Page : 609 pages
File Size : 40,9 Mb
Release : 2012-12-02
Category : Technology & Engineering
ISBN : 9780444600868
This book contains a selection of papers presented at the first International Symposium on Windbreak Technology, summarising the available worldwide literature on windbreaks and the response, both positive and negative, to wind protection. State-of-the-art information is presented on general design criteria, and principles of planting and establishment for a wide range of conditions and objectives. It provides descriptive information of tree and shrub species for arid, semi-arid, temperate and tropical areas, and their use in windbreaks.
Author : Fred R. Weber
Publisher : Unknown
Page : 264 pages
File Size : 43,7 Mb
Release : 1977
Category : Agroforestry
ISBN : MINN:31951000148672T
Author : W. S. Reifsnyder,William E. Reifsnyder,Till Darnhofer
Publisher : World Agroforestry Centre
Page : 554 pages
File Size : 45,5 Mb
Release : 1989
Category : Agroforestry
ISBN : 9789290590590
Author : J. Lemons,Reginald Victor,Daniel Schaffer
Publisher : Springer Science & Business Media
Page : 532 pages
File Size : 42,9 Mb
Release : 2012-12-06
Category : Nature
ISBN : 9781461503750
On the eve of the World Summit for Sustainable Development (WSSD), held in autumn 2002 in Johannesburg, South Africa, United Nations Secretary General Kofi Annan recommended five specific areas as focal points of discussion for the global forum: Water, energy, health, agriculture and biodiversity. In his address, "Towards a Sustainable Future," delivered just four months before the WSSD, Secretary General Annan contended that concrete progress in each of these areas, often referred to by their acronym WEHAB, would be key to improving the quality of life not only in the developing world but across the globe. For most people, I think it is fair to say that the inclusion of biodiversity in a list that focuses on basic human needs may not be self-evident. Water, energy, health and agriculture, yes. But why biodiversity? The truth is that biodiversity is just as critical to global well-being as water, energy, agriculture and health. This is because biodiversity both drives and shapes nature's intricate and dynamic structure in an enduring form and force that enables both current and future generations to enjoy its bounty.
Author : G.E. Wickens,N. Haq,Peter R. Day
Publisher : Springer Science & Business Media
Page : 456 pages
File Size : 53,7 Mb
Release : 1989-06-30
Category : Nature
ISBN : 0412315009
Examining the development of alternative crops, this volume covers topics which include genetic engineering and tissue culture techniques, and marketing potential utility of new crops.
Author : Troy Sternberg,Ariell Ahearn
Publisher : MDPI
Page : 380 pages
File Size : 41,6 Mb
Release : 2019-08-19
Category : Social Science
ISBN : 9783039213474
Understanding deserts and drylands is essential, as arid landscapes cover >40% of the Earth and are home to two billion people. Today's problematic environment–human interaction needs contemporary knowledge to address dryland complexity. Physical dimensions in arid zones—land systems, climate and hazards, ecology—are linked with social processes that directly impact drylands, such as land management, livelihoods, and development. The challenges require integrated research that identifies systemic drivers across global arid regions. Measurement and monitoring, field investigation, remote sensing, and data analysis are effective tools to investigate natural dynamics. Equally, inquiry into how policy and practice affect landscape sustainability is key to mitigating detrimental activity in deserts. Relations between socio-economic forces and degradation, agro-pastoral rangeland use, drought and disaster and resource extraction reflect land interactions. Contemporary themes of food security, conflict, and conservation are interlinked in arid environments. This book unifies desert science, arid environments, and dryland development. The chapters identify land dynamics, address system risks and delineate human functions through original research in arid zones. Mixed methodologies highlight the vital links between social and environmental science in global deserts. The book engages with today's topical themes and presents novel analyses of arid land systems and societies.
