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Extermination of forests is an essential part of human activity since prehistoric times. There are several reasons for this: the forest is an enemy environment hiding predators and other threats; the forest is a source for wood, which is used for firing and materials of construction; forest occupies land, which could be used for agriculture. Even now in spite of progress in ecological education, deforestation continuously accelerates everywhere. This book provides new research on the global challenges and issues on deforestation in the 21st Century.
Many actions of human beings have led to deforestation which has resulted in loss of biodiversity and natural habitats. Therefore, forestry as a subject is very important, as it deals with process of creating, managing, repairing, covering forests and protecting other environmental habitats. Afforestation or reforestation refers to the process of planting trees in a space which was left barren before. This book mainly focuses on the subject of forestry, with special significance on the areas of deforestation and afforestation. The topics introduced in it cover many new and important theories as well as practices under this field. This textbook is an essential guide for both academicians and those who wish to pursue this discipline further.
In large areas of developing countries the loss of trees is causing erosion and degradation of the soil, posing severe problems for economic development. By translating the ecological benefits of afforestation into economic terms, the author demonstrates how investments that benefit the environment often benefit the economy as well. Both the traditional work of the forestry services and tree plantings by farmers are needed, says the author, if deforestation is to be halted and reversed. With special refrence to Africa, he discusses the underlying reasons for deforestation, suggests policy changes to promote the planting and care of trees, and identifies issues for social and scientific research. A case study of the arid zone of northern Nigeria illustrates the benefits that could be brought about by establishing windbreaks and encouraging farmers to plant trees. Besides preventing soil erosion, improving soil fertility, and thus increasing crop prodution, trees provide fruit, livestock fodder, and much-needed fuelwood and building materials. The author compares the increase in farm incomes as a result of an afforestation program with the decrease in incomes if deforestation and soil erosion were to continue. The analysis will be of special interest to those concerned with agriculture, forestry, rural development, and environmental issues in developing countries.
Global Deforestation provides a concise but comprehensive examination of the variety of ways in which deforestation modifies environmental processes, as well as the societal implications of these changes. The book stresses how forest ecosystems may be prone to nearly irreversible degradation. To prevent the loss of important biophysical and socioeconomic functions, forests need to be adequately managed and protected against the increasing demand for agricultural land and forest resources. The book describes the spatial extent of forests, and provides an understanding of the past and present drivers of deforestation. It presents a theoretical background to understand the impacts of deforestation on biodiversity, hydrological functioning, biogeochemical cycling, and climate. It bridges the physical and biological sciences with the social sciences by examining economic impacts and socioeconomic drivers of deforestation. This book will appeal to advanced students, researchers and policymakers in environmental science, ecology, forestry, hydrology, plant science, ecohydrology, and environmental economics.
Does the diagnosis of irreversible destruction of both forests and their biodiversity actually mask a wide range of patterns? Based on the results of natural and social scientists, this book attempts to answer fundamental questions such as: what is deforestation and how do we mesure it? What changes result from deforestation and how do human societies manage these changes? It explores the many and varied aspects of deforestation, a process whose effects are not always as negative as perceived.
Every day more of the world’s forests disappear. Trees are cleared for agriculture, lost in wildfires and harvested for the valuable products they supply. Called the lungs of the planet, forests play a critical role in climate moderation. What happens when they’re gone? Are replanting and afforestation efforts helping? In If A Tree Falls: The Global Impact of Deforestation, author Nikki Tate gives an accessible and balanced look at forest practices throughout history, the growth of industry and the fight for preservation. Global deforestation affects us all. Find out what you can do to protect forests today and keep them healthy for future generations.
This book contains nine chapters providing a synthesis of the multiple uses, impacts and sustainability of planted forests by looking at the past, outlining the present situation and highlights the outlook and issues for the future. In addition, the policy, institutional and ownership issues in planted forests are also covered.
Descriptions of the late 1800s landscape in the Ovambo floodplain in north-central Namibia closely match the area’s late 1900s appearance, suggesting that little change occurred between the pre-colonial baseline and the postcolonial outcome. Yet, paradoxically, colonial conquest, population pressure, biological invasions, new technology, and economic globalization caused both dramatic deforestation and reforestation in less than a century. The paradox stems from the fact that the prevailing global environmental models obscure and homogenize the process of environmental change: different and contradictory interpretations are dismissed as alternative readings or misreadings of the same process. Deforestation and Reforestation, however, argues that the paradox highlights the need to reframe environmental change as plural processes occurring along multiple trajectories that may be dissynchronized and asymmetrical.