2015, ISBN: 9789400715530

Buffalo, NY: U.S. Army Corps of Engineers, 1980. Presumed First Edition, First printing. Hardcover. Very good/Fair. Format is 7.25 inches by 10.25 inches. [6], 328, [2] pages. Illustr… mais…

Buffalo, NY: U.S. Army Corps of Engineers, 1980. Presumed First Edition, First printing. Hardcover. Very good/Fair. Format is 7.25 inches by 10.25 inches. [6], 328, [2] pages. Illustrations (some in color). Index. DJ has some wear,tears and soiling. Nuala McGann Drescher received a Bachelor of Arts Degree from St. Joseph's College and a Master of Arts Degree and Ph.D. degree from the University of Delaware. She was attracted to the study of the history of the U.S. Army Corps of Engineers because of her basic interest in the impact of science and technology on the shaping and development of fundamental human institutions, such as the city. She is the Coordinator of the Urban Studies Degree Program at Buffalo State College, where she is a Professor of History, is President of the New York State Labor History Association, and is currently involved in research on the history of the so-called "Hometown Plans," in the struggle to integrate the American building trades. She was also the President of United University Professions. The United States Army Corps of Engineers has at its disposal the talent, skill, ingenuity, and resourcefulness that are requisite for the creation of a viable defense establishment, as well as the construction of numerous public works projects erected for the... public good; it has played a key role in the discovery and development of the wealth of the Great Lakes region. This territory, marked by rapids, falls, and river systems, which link the five Great Lakes, continues to challenge the Corps engineers in their efforts to plan and build harbors: civil engineers to widen streams, forge canals, erect bridges, and harness the might of falling water by constructing dams and fabricating power projects, and military engineers to design and execute facilities that augment the national security. Daily, the Corps continues to live' up to its motto Essayons, "let us try ," persevering in the important tasks with which it is charged and assuming additional roles as regional problems become manifest. Whenever called upon, the Corps has provided the scientific and technical expertise needed to cope with the discordant forces of nature., U.S. Army Corps of Engineers, 1980, 2.5, Springer. 2011. 2011 ed.. Hard cover. Very good.. 153 p., color illustrations, bibliography, index. . As a result of the European Commission s concern for the status of continental waters, and as a clear reflection of the notion of water as heritage to be conserved, in the year 2000 the Water Framework Directive (2000/60/CE) was enacted, its goal being to establish a framework to protect water and the different aquatic ecosystems by requiring the Member States to achieve a good ecological status in all their waters by 2015. Like all ecosystems, freshwater ecosystems undergo physical, chemical and energy-related changes, both of natural and anthropogenic origin. These disturbances affect the organisms living in them and those who utilize their resources. Therefore, evaluating these changes has become a very important task in order to better understand aquatic systems. The study and analysis of the ecological status of these ecosystems in relation to their conservation status and water quality is thus a fundamental tool for a more efficient and rational management of their resources, that is, a management that does not threaten the ecosystem. The present guide for the identification of Spanish freshwater macroinvertebrates aims to facilitate the job of those who go to great lengths to identify them in order to then determine biotic indices. It is not the aim of this book to serve as a zoological treaty, nor does it claim to add new information on the biology or the ecology of the taxa covered. This book is, simply, a working tool explicitly designed to facilitate the identification of the Spanish macroinvertebrates and the subsequent computing of biotic indices., Springer, 2011, 3<

2011, ISBN: 9400715536

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