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As scientific understanding about ecological processes has grown, the idea that ecosystem dynamics are complex, nonlinear, and often unpredictable has gained prominence. Of particular importance is the idea that rather than following an inevitable progression toward an ultimate endpoint, some ecosystems may occur in a number of states depending on past and present ecological conditions. The emerging idea of “restoration thresholds” also enables scientists to recognize when ecological systems are likely to recover on their own and when active restoration efforts are needed. Conceptual models based on alternative stable states and restoration thresholds can help inform restoration efforts....
An academically focused collection of papers highlighting the successes and challenges of a move from disaster to risk management in responding to drought. The book passes on the experiences gained from Australia’s trail-blazing new policy, introduced in 1992.
Ecohydrology emerges as a new field of research aiming at furthering our understanding of the earth system through the study of the interactions between the water cycle and vegetation. By combining the analysis of biotic and abiotic components of terrestrial ecosystems, this volume provides a synthesis of material on arid and semiarid landscapes, which is currently spread in a number of books and journal articles. The focus on water-limited ecosystems is motivated by their high sensitivity to daily, seasonal, and decadal perturbations in water availability, and by the ecologic, climatic, and economic significance of most of the drylands around the world. Conceived as a tool for scientists wo...
Proponents of globalization argue that it protects the global environment from degradation and promotes worldwide sustainable economic growth while opponents argue the exact opposite. Examining the local, national, and international impacts of globalization, the Handbook of Globalization and the Environment explores strategies and solutions that support healthy economic growth, protect the environment, and create a more equitable world. The book sets the stage with coverage of global environmental issues and policies. It explores international sustainable development, the evolution of global warming policy, transborder air pollution, desertification, space and the global environment, and hum...
Offers various directions for both research and management.
The question in the title of this book draws attention to the shortcomings of a concept that has become a political tool of global importance even as the scientific basis for its use grows weaker. The concept of desertification, it can be argued, has ceased to be analytically useful and distorts our understanding of social-environmental systems and their resiliency, particularly in poor countries with variable rainfall and persistent poverty. For better policy and governance, we need to reconsider the scientific justification for international attempts to combat desertification. Our exploration of these issues begins in the Sahel of West Africa, where a series of severe droughts at the end o...
This book provides a comprehensive overview of dryland climates and their relationship to the physical environment, vegetation, hydrology, and inhabitants. Packed with photographs and an extensive review of the primary literature, this is a unique interdisciplinary resource for researchers, environmental professionals and advanced students in fields from climatology to geomorphology.
As the Millennium Development Goals (MDGs) pass their 2015 deadline and the international community begins to discuss the future of UN development policy, Poverty and the Millennium Development Goals brings together leading economists from both the global North and South to provide a much needed critique of the prevailing development agenda. By examining current development efforts, goals and policies, it exposes the structurally flawed and misleading measurements of poverty and hunger on which these efforts have been based, and which have led official sources to routinely underestimate the scale of world poverty even as the global distribution of wealth becomes ever more imbalanced.
Analyses European Union governance from the perspective of polycentric theory, aimed at improvements in achieving individual self-governance.
This long-anticipated reference and sourcebook for CaliforniaÕs remarkable ecological abundance provides an integrated assessment of each major ecosystem typeÑits distribution, structure, function, and management. A comprehensive synthesis of our knowledge about this biologically diverse state, Ecosystems of California covers the state from oceans to mountaintops using multiple lenses: past and present, flora and fauna, aquatic and terrestrial, natural and managed. Each chapter evaluates natural processes for a specific ecosystem, describes drivers of change, and discusses how that ecosystem may be altered in the future. This book also explores the drivers of CaliforniaÕs ecological patte...