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Author : V. Kirkwood,Canada. Agriculture Canada. Research Branch,Land Resource Research Centre (Canada)
Publisher : Research Branch, Agriculture Canada
Page : 53 pages
File Size : 52,9 Mb
Release : 1989
Category : Information storage and retrieval systems
ISBN : 0662167821
Author : Anonim
Publisher : Unknown
Page : 65 pages
File Size : 41,5 Mb
Release : 1983
Category : Agriculture
ISBN : OCLC:56279871
Author : United Nations Environment Programme (UNEP)
Publisher : United Nations
Page : 90 pages
File Size : 54,6 Mb
Release : 2016-06-27
Category : Political Science
ISBN : 9789210600989
Land resources are one of nature’s most precious gifts. They feed us and help our societies and economies to thrive. Some 2.5 billion agricultural smallholders worldwide manage around 500 million small farms, providing more than 80 per cent of food consumed in Asia and Sub-Saharan Africa. These resources are being degraded at an alarming pace. An estimated 33 per cent of soil is moderately to highly-degraded due to erosion, nutrient depletion, acidi?cation, salinization, compaction and chemical pollution. Each year we lose 24 billion tonnes of fertile soil and 15 billion trees, costing the economy around $40 billion. This report focuses on land potential evaluation systems as a critical foundation for land use planning and management. More specifically, land potential evaluation systems are needed to sustain and increase the provision of ecosystem services in the context of climate change, persistent land degradation and increasing global population and per-capita consumption levels.
Author : Anonim
Publisher : Unknown
Page : 264 pages
File Size : 50,5 Mb
Release : 1991
Category : Arid soils
ISBN : UCBK:C039189239
Author : Anonim
Publisher : Unknown
Page : 274 pages
File Size : 42,8 Mb
Release : 1989
Category : Soils
ISBN : IND:30000138301365
Author : Anonim
Publisher : Unknown
Page : 758 pages
File Size : 47,5 Mb
Release : 1983
Category : Astronautics in earth sciences
ISBN : UOM:39015007650784
Author : Anonim
Publisher : Unknown
Page : 650 pages
File Size : 45,7 Mb
Release : 1991
Category : Land use
ISBN : UOM:39015037038901
Author : Bob Parry,Chris Perkins
Publisher : Walter de Gruyter
Page : 1080 pages
File Size : 53,9 Mb
Release : 2011-12-22
Category : Science
ISBN : 9783110959444
Author : J. Alfred Zinck
Publisher : Food & Agriculture Org.
Page : 140 pages
File Size : 55,9 Mb
Release : 1995
Category : Science
ISBN : 9251036624
Author : Anonim
Publisher : Unknown
Page : 850 pages
File Size : 50,5 Mb
Release : 1981
Category : Soil surveys
ISBN : CORNELL:31924051789448
Author : Charles David Fowle
Publisher : Unknown
Page : 332 pages
File Size : 47,7 Mb
Release : 1988
Category : Environmental engineering
ISBN : CORNELL:31924063880490
Author : Anonim
Publisher : Natural Resources Canada
Page : 47 pages
File Size : 42,8 Mb
Release : 2024-06-30
Category : Electronic
ISBN : 8210379456XXX
Author : Zev Naveh,Arthur S. Lieberman
Publisher : Springer Science & Business Media
Page : 376 pages
File Size : 55,5 Mb
Release : 2013-03-09
Category : Science
ISBN : 9781475740820
This series is dedicated to serving the growing community of scholars and practitioners concemed with the principles and applications of environ mental management. Each volume is a thorough treatment of a specific topic of importance for proper management practices. A fundamental objective of these books is to help the reader discem and implement man's stewardship of our environment and the world's renewable re sources. For we must strive to understand the relationship between man and nature, act to bring harmony to it, and nurture an environment that is both stable and productive. These objectives have often eluded us because the pursuit of other individual and societal goals has diverted us from a course of living in balance with the environment. At times, therefore, the environmental manager may have to exert restrictive control, which is usually best applied to man, not nature. Attempts to alter or hamess nature have often failed or backfired, as exemplified by the results of imprudent use of herbicides, fertilizers, water, and other agents. Each book in this series will shed light on the fundamental and applied aspects of environmental management. It is hoped that each will help solve a practical and serious environmental problem.
Author : Simon M. Cargill,Steven B. Green
Publisher : Unknown
Page : 346 pages
File Size : 49,7 Mb
Release : 1986
Category : Canada
ISBN : UCR:31210024722124
Author : David H. Root,John Parr Snyder,E. D. Attanasi,Robert M. Turner
Publisher : Unknown
Page : 608 pages
File Size : 47,7 Mb
Release : 1984
Category : Canada
ISBN : OSU:32435030454714
