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The Vegetation and Physiography of Sumatra
Fifteen years ago, approximately half the world population was estimated to live in continental and insular South-East Asia (Burma, Thailand, Kampuchea, Vietnam, Laos, Indonesia, Philippines). Then the region had a population growth of four million people every month, and the problem of malnutrition was acute for the rural population. International agricultural development organisations decided that their primary aim would be to double existing levels of agricultural production and, taking account of population growth, to double it again by the end of the century (Whyte 1976). Today, while global issues have greatly affected the parameters of the problem, the situation remains both serious a...
Advances in Soil Science
The study of soils has taken on increased importance because a rapidly expanding population is placing demands on the soil never before experi enced. This has led to an increase in land degradation. Land degradation is one of the most severe problems facing mankind. Volume 11 of Advances in Soil Science was devoted entirely to this critical area of soil science. The editors of that volume, R. Lal and B.A. Stewart, defined soil degradation as the decline in soil quality caused by its misuse by humans. They further stated that soil degradation is a major concern for at least two reasons. First, it undermines the productive capacity of an ecosystem. Second, it affects global climate through alterations in water and energy balances and disruptions in cycles of carbon, nitrogen, sulfur, and other elements. Through its impact on agricultural productivity and environment, soil deg radation leads to political and social instability, enhanced rate of deforesta tion, intensive use of marginal and fragile lands, accelerated runoff and soil erosion, pollution of natural waters, and emission of greenhouse gases into the atmosphere. In fact, soil degradation affects the very fabric of mankind.
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The Cutting Edge
Bringing together leading scientists and professionals in tropical forest ecology and management, this book examines in detail the interplay between timber harvesting and wildlife, from invertebrates to large mammal species. Its contributors suggest modifications to existing practices that can ensure a better future for the tropics' valuable--and invaluable--resources.
Land Observation by Remote Sensing
Focusing on land objects, this textbook for an advanced undergraduate or graduate course describes both the fundamentals of the theory of remote sensing as well as the application of this technique to the fields of agriculture, forestry, land use, land evaluation, agrohydrology, irrigation, nature conservation, and environmental pollution control. An updated translation of the 1990 Dutch edition. Annotation copyright by Book News, Inc., Portland, OR
Ecosystems of Disturbed Ground
As the human population inexorably grows, its cumulative impact on the Earth's resources is hard to ignore. The ability of the Earth to support more humans is dependent on the ability of humans to manage natural resources wisely. Because disturbance alters resource levels, effective management requires understanding of the ecology of disturbance. This book is the first to take a global approach to the description of both natural and anthropogenic disturbance regimes that physically impact the ground. Natural disturbances such as erosion, volcanoes, wind, herbivory, flooding and drought plus anthropogenic disturbances such as foresty, grazing, mining, urbanization and military actions are con...
Stability of Tropical Rainforest Margins
Tropical rainforests are disappearing at an alarming rate, causing unprecedented losses in biodiversity and ecosystem services. This book contributes to an improved understanding of the processes that have destabilizing effects on ecological and socio-economic systems of tropical rain forest margins, as well as striving to integrate environmental, technological and socio-economic issues in their solution.
Chess Results, 1961-1963
This is a continuation of a series of comprehensive chronological reference works listing the results of men's chess competitions all over the world--individual and team matches. The present volume covers 1961 through 1963. Entries record location and, when available, the group that sponsored the event. First and last names of players are included whenever possible and are standardized for easy reference. Compiled from contemporary sources such as newspapers, periodicals, tournament records and match books, this work contains more than a thousand crosstables and match scores. It is indexed by events and by players.
