Productivity and Efficiency
According to the U.S. Environmental Protection Agency, water efficiency is the smart use of our water resources through water-saving technologies and simple steps. Using water efficiently will help ensure reliable water supplies today and for future generations. Topics addressed in this theme provide insights, lessons, and guidance on how diverse stakeholders are working to improve water management and reduce water use.
Productivity and Efficiency Resources
Aspects of the Colombian Fisheries Development Loan
Published:
January 1, 1975U.S. Agency for International Development
This Auburn University report on aid to the development of a fisheries program in Colombia discusses four major areas: construction of the Repelon Aquaculture Station, Research Station site selection in the Alto Magdalena, development of an aquacultural research plan, and the establishment of a...Read more
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United States, North AmericaEnergy Inputs to Irrigation
Published:
December 1, 1974U.S. Agency for International Development
Energy inputs to irrigation are dramatically increasing as irrigated agriculture expands to meet world food demands and more sophisticated technologies are developed to increase water use efficiency. In this study nine irrigation systems, designed for a specific land area, are analyzed and the...Read more
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United States, North AmericaEffect of Water Circulation and Aeration on Water Quality and Production of Catfish in a Closed System
Published:
August 27, 1974U.S. Agency for International Development
This report outlines the effect of water circulation and aeration on water quality and production of catfish in a closed system. Circulation-aeration by paddle wheel, and by venturi pump through underwater and overheard gravel filters were tested.Read more
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United States, North AmericaForecasting Water Use in U.S. Irrigated Agriculture With Different Alternative Futures
Published:
February 1, 1974U.S. Agency for International Development
The results of the forecasting effort of the National Water Commission show both how (a) the economic demands for water in irrigated agriculture can be estimated and (b) how water use will be affected by policy decisions and the life styles of U.S. citizens. The importance of varying certain...Read more
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United States, North AmericaTrickle Irrigation Design Parameters
Published:
January 1, 1974U.S. Agency for International Development
Trickle irrigation is a system for supplying filtered water and fertilizer directly on or into the soil. Spraying is eliminated and water is allowed to dissipate under low pressure in an exact predetermined pattern. The outlet device which emits the water into the soil is known as an "emitter...Read more
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United States, North AmericaAnnual Report for FY 1973
Published:
August 15, 1973U.S. Agency for International Development
This annual report details the work that was done at the International Center for Aquaculture from July 1972 through June 1973. It identifies the accomplishments over the year in topics including recent publications, data on worldwide food fishes, utilization of international resources, economic...Read more
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United States, North AmericaEffect of Agricultural Use on Water Quality for Downstream Use for Irrigation
Published:
July 1, 1973U.S. Agency for International Development
Studies the effect of irrigation return flow on downstream irrigation water quality in the Sevier, Colorado, and Rio Grande river systems, and in the Imperial Valley of Southern California. The report begins by reviewing significant literature on irrigation return flow. Next, water quality criteria...Read more
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United States, North AmericaFreshwater Fish Pond Culture and Management
Published:
January 1, 1973U.S. Agency for International Development
A brief but thorough discussion of potential fish protein concentrate (FPC) and projections of its future harvest, accompanied by several illustrative tables. FDC ideally is that product resulting from modern technologies which has been transformed into a stable, dry, high amino acid quality, non-...Read more
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United States, North AmericaEconomic Damage Caused By Aquatic Weeds, Preliminary Survey
Published:
December 1, 1971U.S. Agency for International Development
This report attempts to estimate in a very preliminary way the economic significance of the aquatic weed problem in developing countries.Read more
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United States, North AmericaDevelopment of Color Pattern in Pond - Reared Young of Five Micropterus Species of Southeastern Us
Published:
January 1, 1971U.S. Agency for International Development
Six stocks of Southeastern Micropterus were spawned in earthen ponds, including wild-caught adults of M. coosae (Alabama and Apalachicola races), M. p. punctulatus, M. punctulatus henshalli, and M. notius, and hatchery stock of M. dolomieui. Fry were reared in earthen ponds provided with Pimephales...Read more
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