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

Sociocultural Aspects of Small-Scale Fisheries Development in West Africa

Published: 
January 1, 1974
U.S. Agency for International Development
The focus of this paper is on the role of social and cultural variables in the development of the small-scale fishery in West Africa. The small-scale marine fisheries of West Africa province approximately 70% of the total marine production of West Africa, ranging from a low of about 30% in Ivory...Read more

Some Equipment for Mechanical Control of Aquatic Weeds

Published: 
January 1, 1974
U.S. Agency for International Development
Technical literature has repeatedly chronicled the devastation wrought by aquatic weeds growing uncontrolled. Reservoirs become infested and lose significant water storage capacity; lakes are overrun and rapidly degenerate to near worthlessness; canals and ditches are clogged or choked restricting...Read more

Fish culture Extension Project: Brazil, July-Dec. 1973

Published: 
December 31, 1973
U.S. Agency for International Development
This report serves as a progress update for a project developing a self-sufficient extension service within the Directorate of Fisheries and Fishculture. Increased dissemination of scientific information and non-technical information through the local and regional news media reached local farmers...Read more
Regional focus: 
BrazilLatin America and the Caribbean

Progress Report I on the Brazil Aquaculture Project

Published: 
December 12, 1973
U.S. Agency for International Development
This first semi-annual report concerns the activities of the Auburn University Contract, Task Order No. 8, Contract AID/csd-2270, during the period June 16, 1972 through December 16, 1972. Chief of Party, Leonard Lovshin representing the International Center for Aquaculture, Auburn University,...Read more
Regional focus: 
BrazilLatin America and the Caribbean

Progress Report II on the Brazil Aquaculture Project

Published: 
December 1, 1973
U.S. Agency for International Development
This is the second semi-annual report concerning the activities of the Auburn University Contract, Task Order No. 8, Contract AID/csd-2270. Project objectives, status of project upon arrival and progress in the first six months of the contract can be found in the first semi-annual report submitted...Read more
Regional focus: 
BrazilLatin America and the Caribbean

Improving Irrigation in India, the Neglected Opportunity

Published: 
December 1, 1973
U.S. Agency for International Development
Over the centuries sizable investments have been made in India to develop the irrigation potential and these investments have continued during the first quarter century of independence. In this present article two different programs are considered which attempt to improve the water use and...Read more
Regional focus: 
IndiaSouth East Asia

Irrigation of Community Gardens in Panama

Published: 
November 1, 1973
U.S. Agency for International Development
The primary purpose of this assignment in Panama was to assist USAID and the Ministerio de Salud in improving the irrigation of community gardens. In an effort to improve the nutrition of the people living in small communities throughout the country, there are plans to organize more than 200 small...Read more
Regional focus: 
PanamaLatin America and the Caribbean

Put Catfish Offal to Work for You

Published: 
November 1, 1973
U.S. Agency for International Development
Roughly 40 percent of the weight of catfish which enter a processing plant turn up as waste at the end of the processing line. To date the industry has not used that waste very profitably because of a scattered, erratic supply and lack of information on how to utilize the waste economically. The...Read more

Program for Computing Equilibrium Solution Composition in Caco (,3) and Caso (,4) Systems from Irrigation Water Compositions

Published: 
October 1, 1973
U.S. Agency for International DevelopmentColorado State University
A computer program was developed to calculate equilibrium solution compositions in calcareous and gypsiferous systems. The calculations in the program are based upon published solubility products of calcite and gypsum and take into account ion-pair formation and the solubility enhancement of...Read more

Environment-Related Off-Flavors in Intensively Cultured Fish

Published: 
October 1, 1973
U.S. Agency for International Development
The paper describes the study made at Auburn University of the causes of off-flavor in catfish. Methods of controlling the organisms responsible for imparting off-flavor were investigated. The paper concludes with a number of practical suggestions for controlling off-flavor in pond-raised catfish.Read more

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