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Excerpt from Information on Kesterson Reservoir and Waterfowl Kesterson Reservoir is located just east of Gustine at the terminus of the existing portion of the San Luis Drain. The reservoir was built by the Bureau of Recla mation in 1971, and consists of 12 shallow ponds with a total water surface area of about acres and an average depth of 4 feet The reservoir was designed originally to regulate flows in the San Luis Drain for ultimate discharge into the western Delta at Suisun Bay. It presently serves as a storage and evaporation facility for about acre-feet annually of agricultural drain age water from about acres of land west of Men dota. These lands are located within the San Luis Unit in an area known geologically as the Panoche Fan. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Excerpt from Information on Waterfowl Protection Program at Kesterson Reservoir Kesterson Reservoir consists of 12 shallow ponds with a total water-surface area of about acres and an average depth of about 4 feet. The Bureau designed it to regu late flows in the San Luis Drain, a canal that was originally planned to discharge to the western Delta at Suisun Bay. The partially completed drain ends at Kesterson Reser voir, which the Bureau is using to store and evaporate agricultural drainage water from about acres near Mendota. Kesterson Reservoir is just east of Gustine at the northern end of an area commonly known as the grasslands. The grasslands are mainly marsh and pasture lands in the flood plain of the San Joaquin River and provide important wintering habitat for waterfowl on the Pacific flyway. The San Joaquin River di vides the lands into the east grasslands, which covers about acres, and the west grasslands, which includes about acres. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Excerpt from Farm Water Management Options for Drainage Reduction Irrigation Practices And Emerging Technologies; Introduction; Irrigation Performance Measures; Irrigation System Performance and Economics; Seepage Losses; Irrigation System Technologies; Surface Irrigation - Existing Technologies; Surface Irrigation - Emerging Technologies; Sprinkle Irrigation - Existing Technologies; Sprinkle Irrigation - Emerging Technologies; Trickle Irrigation - Existing Technologies; Trickle Irrigation - Emerging Technologies; Summary of Potential Uniformities and Efficiencies; Irrigation Management Technologies; Irrigation Scheduling; Drain Water Use; Leaching/Drainage; Areas of Education and Research; Demonstration Projects; Conclusion and Recommendations; Institutional Changes And Economic Incentives; Introduction; Existing Programs; United States Bureau of Reclamation; U.S. Department of Agriculture, Soil Conservation Service (SCS); U.S. Department of Agriculture, Agricultural Research Service, Water Management and Salinity Labs; California Department of Water Resources (DWR); University of California Cooperative Extension (UCCE) and Farm Advisors; University of California Committee of Consultants; San Joaquin Valley Drainage Program (SJVDP); Westlands Water District (WWD) About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
This is the first comprehensive environmental history of California’s Great Central Valley, where extensive freshwater and tidal wetlands once provided critical habitat for tens of millions of migratory waterfowl. Weaving together ecology, grassroots politics, and public policy, Philip Garone tells how California’s wetlands were nearly obliterated by vast irrigation and reclamation projects, but have been brought back from the brink of total destruction by the organized efforts of duck hunters, whistle-blowing scientists, and a broad coalition of conservationists. Garone examines the many demands that have been made on the Valley’s natural resources, especially by large-scale agriculture, and traces the unforeseen ecological consequences of our unrestrained manipulation of nature. He also investigates changing public and scientific attitudes that are now ushering in an era of unprecedented protection for wildlife and wetlands in California and the nation.
Management of wild waterfowl has become increasingly intensive. Many birds now hatch in managed nesting cover or in artificial nesting structures, use man-made wetlands, and winter on crowded refuges while consuming a grain diet The water they use is often limited in supply and may contain residues from its many prior users. Unfortunately, intensified management often results in new problems, among which disease is important There are many similarities between the current form of management used for some waterfowl and that used in domestic animals. In both, the objective is to maintain a healthy, productive population. Dealing with health problems in waterfowl will benefit from combining the skills of veterinary medicine and wildlife ecology. Revisiting this book after 15 years allowed me to consider changes at the interface between the two disciplines. Veterinary medicine traditionally has been concerned with the individual and with treating sick animals, while the ecologist is concerned with populations and the manager has limited interest in treating sick birds. During this period there has been a marked increase in awareness among veterinarians that they have a responsibility in wildlife and conservation biology. Curricula of many veterinary colleges now include material on non-domestic animals and attempt to put disease in an ecological context. Also during this time, waterfowl managers have become more aware of disease as a factor in population biology and there are early attempts to put numbers to "disease" in models of continental waterfowl populations.
Selenium (SE) and its compounds are used in photographic devices, gun gluing, plastics, paints, anti-dandruff shampoos, vitamin and mineral supp., fungicides, and glass. It is also used to prepare drugs and as a nutritional feed supp. for poultry and livestock. This profile includes: (a) The exam¿n. of toxicologic info. and epidemiologic evaluations on SE to ascertain the levels of significant human exposure for the substance and the chronic health effects; (b) A determination of whether adequate info. on the health effects of SE is avail. to determine levels of exposure that present a significant risk to human health (SRHH); and (c) Ident¿n. of toxicologic testing needed to identify the types of exposure that may present SRHH. Illus. A print on demand pub.
Completely revised and updated with 18 new chapters, this second edition includes contributions from over 75 international experts. Also, a Technical Review Board reviewed all manuscripts for accuracy and currency. Focusing on toxic substance and how they affect the ecosystems worldwide, the book presents methods for quantifying and measuring ecotoxicological effects in the field and in the lab, as well as methods for estimating, predicting, and modeling in ecotoxicology studies. This is the definitive reference for students, researchers, consultants, and other professionals in the environmental sciences, toxicology, chemistry, biology, and ecology - in academia, industry, and government.
This book contains the proceedings of a symposium held at the College of Charleston, Charleston, South Carolina, USA, 16-20 June 1986. The seed for this symposium arose from a group of physiologists , soU scientists and biochemists that met in Leningrad, USSR in July 1975 at the 12th Botanical Conference in a Session organized by Professor B.B. Vartepetian. This group and others later conspired to contribute to a book entitled Plant Life in Anaerobic Environments (eds. D. D. Hook and R. M. M. Crawford, Ann Arbor Science, 1978). Several contributors to the book suggested in 1983 that a broad-scoped symposium on wetlands would be useful (a) in facilitating communication among the diverse research groups involved in wetlands research (b) in bringing researchers and managers together and (c) in presenting a com prehensive and balanced coverage on the status of ecology ami management of wetlands from a global perspective. With this encouragement, the senior editor organized a Plan ning Committee that encompassed expertise from many disciplines of wetland scientists and managers. This Committee, with input from their colleagues around the world, organized a symposium that addressed almost every aspect of wetland ecology and management.