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Author : Lee R. Watson
Publisher : Unknown
Page : 160 pages
File Size : 40,7 Mb
Release : 2002
Category : Deicing chemicals
ISBN : IND:30000085827107
Author : Cecilia Tortajada
Publisher : Routledge
Page : 277 pages
File Size : 41,9 Mb
Release : 2014-10-14
Category : Nature
ISBN : 9781317850335
Asia's 48 countries have an estimated 1.757 billion urban population and 2.4 billion people in rural areas (or approximately 60 per cent of the global population). Divided into central, eastern, southern, south-eastern and western regions, the continent is also extremely heterogeneous in terms of water quality conditions. The policies and management practices vary significantly from one country to another, and even within one country, depending on specific economic, political, social, environmental, legal and institutional factors. In order to appreciate the complexities associated with water quality policy and management, it is important to acknowledge the multiplicity of interrelated and often conflicting events, issues, actors and interests, both within and outside the water sector that impact them. This complexity, alongside institutional inability for systematic and coordinated collaboration, are potent reasons as to why, in the second decade of the 21st century, formulation and implementation of efficient water quality management policies benefitting humankind and the environment have still not been achieved. The book was originally published as a special issue of the International Journal of Water Resources Development.
Author : Claude E. Boyd,C.S. Tucker
Publisher : Springer Science & Business Media
Page : 732 pages
File Size : 53,9 Mb
Release : 1998-08-31
Category : Science
ISBN : 0412071819
Pond Aquaculture Water Quality Management provides the most complete, up-to-date account of water quality and its management in aquaculture ponds. It provides background information on the physical, chemical, and biological environment of pond aquaculture, and illustrates how the proper balance of these factors is the essential ingredient for successful production of fish and other aquatic animals. Management techniques for the control of water quality and productivity include liming, fertilization, mechanical aeration, water exchange, and the use of algicides and herbicides. The authors examine the effects of pollution on aquaculture and the validity of current criticisms by environmentalists. Pond Aquaculture Water Quality Management will be a great benefit to students, extension agents, policy-makers, government officials and the commercial aquaculture industry.
Author : United States. Environmental Protection Agency
Publisher : Unknown
Page : 554 pages
File Size : 55,9 Mb
Release : 1976
Category : Water
ISBN : UCSD:31822019417385
Author : Anonim
Publisher : Unknown
Page : 224 pages
File Size : 54,7 Mb
Release : 1996
Category : Water-supply
ISBN : RUTGERS:39030029141688
Author : Roderick F. Ortiz,Sheryl A. Ferguson
Publisher : Unknown
Page : 42 pages
File Size : 51,9 Mb
Release : 2001
Category : Water
ISBN : UOM:39015049398889
Author : Anonim
Publisher : Unknown
Page : 556 pages
File Size : 44,8 Mb
Release : 1996
Category : Finance, Public
ISBN : MSU:31293012902353
Author : Anonim
Publisher : Unknown
Page : 914 pages
File Size : 50,8 Mb
Release : 2024-06-30
Category : Government publications
ISBN : WISC:89117116848
Author : Terry L. Maluk,Thomas A. Abrahamsen
Publisher : Unknown
Page : 90 pages
File Size : 46,9 Mb
Release : 1999
Category : Stream ecology
ISBN : UOM:39015049282091
Author : Anonim
Publisher : Unknown
Page : 434 pages
File Size : 48,6 Mb
Release : 1973
Category : Water
ISBN : UCR:31210012662068
Author : Anonim
Publisher : Unknown
Page : 92 pages
File Size : 41,5 Mb
Release : 2000
Category : Hydrology
ISBN : OSU:32435075555870
Author : United States. Environmental Protection Agency
Publisher : Unknown
Page : 434 pages
File Size : 40,9 Mb
Release : 1973
Category : Water
ISBN : IND:30000097221794
Author : Anonim
Publisher : Unknown
Page : 684 pages
File Size : 40,5 Mb
Release : 1981
Category : Government publications
ISBN : NYPL:33433067503734
Author : California. State Water Quality Control Board
Publisher : Unknown
Page : 580 pages
File Size : 41,7 Mb
Release : 1963
Category : Water
ISBN : UOM:39015002031048
Author : Anonim
Publisher : Unknown
Page : 270 pages
File Size : 43,7 Mb
Release : 1976
Category : Electronic
ISBN : 8210379456XXX
