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
Resume of Auburn University's Participation in the Brazil Fisheries Project
Published:
January 1, 1973U.S. Agency for International Development
A short-term survey of fisheries development in Northeast Brazil was carried out June 27 - September 3, 1966 by a Team of three professors (Dendy, Shell, Prather) from Auburn's Fisheries Department under personal contracts with the U.S. Bureau of Commercial Fisheries. Preliminary...Read more
Regional focus:
Brazil, Latin America and the CaribbeanCatfish Need Vitamin C
Published:
January 1, 1973U.S. Agency for International Development
Previous research indicated that only man, monkey, and gunea pig needed vitamin C in the diet. This document presents research and evidence that catfish additionally need vitamin C.Read more
Development Programs for Inland and Coastal Fisheries for Latin American Countries
Published:
January 1, 1973U.S. Agency for International Development
This study covers the development programs for inland and costal fisheries for Latin-American countries.Read more
Regional focus:
Latin America and the CaribbeanFish Population Dynamics in Tropical Waters: a Manual for Use With Programmable Calculators
Published:
January 1, 1973U.S. Agency for International Development
The use of sprinklers to apply irrigation water is a popular irrigation practice. Interest in using sprinkler irrigation systems continue to grow as the efficient use of water becomes important for profitable crop production. An efficient irrigation system must be capable of applying the water...Read more
Irrigation Requirements and Ground Water Development
Published:
December 1, 1972U.S. Agency for International Development
The paper presents a moisture availability index that is suggested for use in evaluating water balance conditions. It further presents a method for estimating irrigation requirements that has been evaluated using Brazilian climatic data. Comprehensive tables are provided including a detailed...Read more
Regional focus:
Brazil, Latin America and the CaribbeanFish Culture Extension Project: Brazil, June-Nov. 1972
Published:
November 1, 1972U.S. Agency for International Development
The objective of the fish culture extension project is to assist DNOCS extension agents (specifically those of the Covenio USDENE/DNOCS/USAID -DPAN) in the planning and installation of pilot fish culture enterprises on private farms in Northeast Brazil for the purpose of increasing animal protein...Read more
Regional focus:
Brazil, Latin America and the CaribbeanSteady and Unsteady Flow of Fresh Water in Saline Aquifers
Published:
June 1, 1972U.S. Agency for International Development, Colorado State University
Problems of flow involving fresh water overlying saline water in aquifers and methods for their analysis are reviewed. Equations amenable to mathematical solution generally involve the idealization of treating the fresh water as a distinct zone separated from the underlying saline water by a sharp...Read more
Aquacultural Survey in Japan
Published:
February 1, 1972U.S. Agency for International Development
The purpose of this survey was to assess the value of Japan's aquacultural methods in terms of direct or indirect application in other countries, and to evaluate present and future status of aquacultures in Japan. The aquacultures discussed are: Ayu, Japanese eel, Yellowtail, Japanese oyster,...Read more
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Japan, East Asia and PacificEconomic Aspects of Irrigation from Ground Water
Published:
January 1, 1972U.S. Agency for International Development
Typical examples of economic analysis of ground water development in Brazil are discussed, citing specific data for Bolivian conditions with conversion to Cruzeiro values, but without a detailed knowledge of commodity prices and costs in Brazil. Use of ground water can produce both irrigation and...Read more
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Bolivia, Latin America and the CaribbeanNew Anoptichthys Cave Population (Characidae, Pisces)
Published:
January 1, 1972U.S. Agency for International Development, U.S. Department of the Interior
This report explores a new anoptichthys cave population as a result of a second hybridization between a true cave fish and the epigean ancestral form.Read more
Regional focus:
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