Product details
- Publisher : National Academies Press (July 5, 2002)
- Language : English
- Hardcover : 212 pages
- ISBN-10 : 0309082641
- ISBN-13 : 978-0309082648
- Item Weight : 1.02 pounds
- Dimensions : 6 x 0.72 x 9.5 inches
$58.00
Nonindigenous plants and plant pests that find their way to the United States and become invasive can often cause problems. They cost more than $100 billion per year in crop and timber losses plus the expense of herbicides and pesticides. And this figure does not include the costs of invasions in less intensively managed ecosystems such as wetlands.
Nonindigenous Plants and Plant Pests examines this growing problem and offers recommendations for enhancing the science base in this field, improving our detection of potential invaders, and refining our ability to predict their impact.
The book analyzes the factors that shape an invader’s progress through four stages: arriving through one of many possible ports of entry, reaching a threshold of survival, thriving through proliferation and geographic spread, and ultimate impact on the organism’s new environment. The book also reviews approaches to predicting whether a species will become an invader as well as the more complex challenge of predicting and measuring its impact on the environment, a process involving value judgments and risk assessment.
This detailed analysis will be of interest to policymakers, plant scientists, agricultural producers, environmentalists, and public agencies concerned with invasive plant and plant pest species.
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Hardcover – December 31, 1979
by S. S. Ajayi (Author), Lambert Beverley Halstead (Author)
1st Edition
Forest fires cause ecological, economic, and social damage to various states of the international community. The causes of forest fires are rather varied, but the main factor is human activity in settlements, industrial facilities, objects of transport infrastructure, and intensively developed territories (in other words, anthropogenic load). In turn, storm activity is also a basic reason for forest fires in remote territories. Therefore, scientists across the world have developed methods, approaches, and systems to predict forest fire danger, including the impact of human and storm activity on forested territories. An important and comprehensive point of research is on the complex deterministic-
Illustrated Edition, Kindle Edition
by Stephen F. Arno (Author), Carl E. Fiedler (Author) Format: Kindle Edition
The magnificent stands of old-growth trees that characterize the forests of western North America depend on periodic fires for their creation or survival. Deprived of that essential disturbance process eventually they die, leaving an overcrowded growth of smaller trees vulnerable to intense blazes and epidemics of insects and disease. In Mimicking Nature's Fire, forest ecologists Stephen Arno and Carl Fiedler present practical solutions to the pervasive problem of deteriorating forest conditions in western North America. Advocating a new direction in forest management, they explore the promise of "restoration forestry" -- an ecologically based approach that seeks to establish forest structures in which fire can once again serve as a beneficial process rather than as a destructive aberration. The book begins with an overview of fundamentals: why traditional forestry tried to exclude fire from forests, why that attempt failed, and why foresters and ecologists now recognize the need for management based on how natural ecosystems operate. Subsequent chapters consider: how fire's historic role provides a foundation for designing restoration strategies; why a hands-off approach will not return forests to their historical condition; how management goals influence the strategies used in restoration forestry. The second part of the book presents case studies of restoration projects in the western United States and Canada, representing different forest types, different historic fire regimes, and contrasting management goals. For each project, the authors describe why and how the project is being conducted, profile forest conditions, and describe methods of treatment. They also report what has been accomplished, identify obstacles to restoration, and offer their candid but understanding evaluation. Mimicking Nature's Fire concludes by placing restoration forestry in the broad context of conserving forests worldwide and outlining factors critical for its success.Paperback – January 1, 1796
2009th Edition
by F Stuart Chapin III(Editor), Gary P. Kofinas(Editor), Carl Folke(Editor), M.C. Chapin(Illustrator)
The world is undergoing unprecedented changes in many of the factors that determine its fundamental properties and their in- ence on society. These changes include climate; the chemical c- position of the atmosphere; the demands of a growing human population for food and ?ber; and the mobility of organisms, ind- trial products, cultural perspectives, and information ?ows. The magnitude and widespread nature of these changes pose serious challenges in managing the ecosystem services on which society depends. Moreover, many of these changes are strongly in?uenced by human activities, so future patterns of change will continue to be in?uenced by society’s choices and governance. The purpose of this book is to provide a new framework for n- ural resource management―a framework based on stewardship of ecosystems for human well-being in a world dominated by unc- tainty and change. The goal of ecosystem stewardship is to respond to and shape change in social-ecological systems in order to s- tain the supply and opportunities for use of ecosystem services by society. The book links recent advances in the theory of resilience, sustainability, and vulnerability with practical issues of ecosystem management and governance. The book is aimed at advanced undergraduates and beginning graduate students of natural resource management as well as professional managers, community leaders, and policy makers with backgrounds in a wide array of d- ciplines, including ecology, policy studies, economics, sociology, and anthropology
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