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Managing for Healthy Ecosystems
One of the critical issues of our time is the dwindling capacity of the planet to provide life support for a large and growing human population. Based on a symposium on ecosystem health, Managing for Healthy Ecosystems identifies key issues that must be resolved if there is to be progress in this complex area, such as: Evolving methods f
Nested Ecology
Nested Ecology provides a pragmatic and functional approach to realizing a sustainable environmental ethic. Edward T. Wimberley asserts that a practical ecological ethic must focus on human decision making within the context of larger social and environmental systems. Think of a set of mixing bowls, in which smaller bowls sit within larger ones. Wimberley sees the world in much the same way, with personal ecologies embedded in social ecologies that in turn are nested within natural ecologies. Wimberley urges a complete reconceptualization of the human place in the ecological hierarchy. Going beyond the physical realms in which people live and interact, he extends the concept of ecology to spirituality and the “ecology of the unknown.” In doing so, Wimberley defines a new environmental philosophy and a new ecological ethic.
University Bulletin
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The Great Central Valley
Explores the natural and social history of California's agricultural heartland. This book celebrates the tenacious people of the Valley, where hard work and ingenuity are the means to both survival and success.
Vadose Zone Hydrology
The vadose zone is the region between ground level and the upper limits of soil fully saturated with water. Hydrology in the zone is complex: nonlinear physical, chemical, and biological interactions all affect the transfer of heat, mass, and momentum between the atmosphere and the water table. This book takes an interdisciplinary approach to vadose zone hydrology, bringing together insights from soil science, hydrology, biology, chemistry, physics, and instrumentation design. The chapters present state-of-the-art research, focusing on new frontiers in theory, experiment, and management of soils. The collection addresses the full range of processes, from the pore-scale to field and landscape scales.
Nitrogen in Organic Wastes
Organic wastes are traditionally applied to land to recover their fertilizer value, but the microbial turnover of such organic matter in soil is often out of phase with the requirements of growing plants. Therefore, nutrients may be lost and may even act as potential pollutants of water and air, posing a particular challenge to agricultural and environmental engineers.This book addresses both experimental and modeling methodology under the main headings of nitrogen and carbon transformations, gaseous losses, chemical means of controlling nitrification, and nitrate leaching. The articles are based on material presented at a specialized seminar held under the auspices of ISWA and DAKOFA at Aalborg University, Denmark, in September, 1988.
Methods of Soil Analysis, Part 4
The best single reference for both the theory and practice of soil physical measurements, Methods, Part 4 adopts a more hierarchical approach to allow readers to easily find their specific topic or measurement of interest. As such it is divided into eight main chapters on soil sampling and statistics, the solid, solution, and gas phases, soil heat, solute transport, multi-fluid flow, and erosion. More than 100 world experts contribute detailed sections.
