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

An Evaluation of USAID Technical Assistance to the Eaffro Lake Victoria Fisheries Project

Published: 
January 1, 1975
U.S. Agency for International Development
AN EVALUATION OF EXISTING USAID TECHNICAL ASSISTANCE TO THE LAKE VICTORIA FISHERIES PROJECT OF THE EAST AFRICAN FRESHWATER FISHERIES ORGANIZATION (EAFFRO). EAFFRO HAS DETERMINED THE EXISTENCE OF OFFSHORE DEMERSAL STOCKS (MAINLY HAPLOCHROMIS) THAT COULD BE EXPLOITED; ANNUAL YIELD HAS BEEN ESTIMATED...Read more

Small Boat Design

Published: 
January 1, 1975
U.S. Agency for International Development
The proceedings of the International Center for Living Aquatic Resources Management Conference on Small Boat Design, October 1975.Read more
Regional focus: 
East Asia and Pacific

Freshwater Foodfish (And Crawfish), Research Needs in the Southern Region (Research Problem 4.07). 1975

Published: 
January 1, 1975
U.S. Agency for International Development
GIVEN INDICATIONS THAT THE U.S. WILL HAVE TO BECOME MORE AND MORE DEPENDENT ON AQUACULTURE AS A SOURCE OF FISH, THE AQUATIC FOOD ANIMAL TASK FORCE ESTABLISHED COMMITTEES TO ASSESS RESEARCH PRIORITIES RELATING TO DEVELOPMENT OF AQUACULTURE FOR FRESHWATER FOODFISH AND CRAWFISH IN THE SOUTHERN REGION...Read more

Artisan Fisheries: Characteristics, Problems, Needs, and Relationships to Aquaculture

Published: 
January 1, 1975
U.S. Agency for International Development
PORTRAYS ARTISAN FISHERIES, FOCUSING ON COSTA RICA, CHILE, TANZANIA, AND SOUTH VIETNAM. COMMON DENOMINATORS OF ARTISAN FISHERIES ALSO ARE DISCUSSED. IN THE CONCLUDING SECTION, IT WAS SEEN THAT ARTISAN FISHERIES AND AQUACULTURAL DEVELOPMENT HAVE THE FOLLOWING GOALS: 1) TO PROVIDE ADDITIONAL HIGH-...Read more

Report on Fish Culture Activities in the Lower Sao Francisco Valley, Brazil

Published: 
December 2, 1974
U.S. Agency for International Development
The fish culture practices applied in the lower Sao Francisco River Valley are described. The principal species cultivated is "curimata paou", Proohilodus argenteus, although t'piau verdadeiro", Leporinus piau, and 'mandf amarelo", Pimelodus olariast are also farmed...Read more
Regional focus: 
BrazilLatin America and the Caribbean

Progress Report on Fisheries Development in Brazil

Published: 
December 1, 1974
U.S. Agency for International Development
Technical assistance rendered under the Auburn University Brazil Contract, provided the initial impetus and training for forming an extension service for intensive fish culture within the DNOCS Directorate of Fisheries and Fishculture. This program put research results to practical use in intensive...Read more
Regional focus: 
BrazilLatin America and the Caribbean

Energy Inputs to Irrigation

Published: 
December 1, 1974
U.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
Regional focus: 
United StatesNorth America

Small Scale Fisheries Development University of Rhode Island

Published: 
September 26, 1974
U.S. Agency for International Development
(Not a PES.) Evaluates results of 5-year, 211(d) grant to the University of Rhode Island (URI) to establish the International Center for Marine Resources Development (ICMRD). Purposes of ICMRD is to strengthen the university's research, teaching, consultation, and service capabilities in...Read more

Effect of Water Circulation and Aeration on Water Quality and Production of Catfish in a Closed System

Published: 
August 27, 1974
U.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
Regional focus: 
United StatesNorth America

Water Runs Down Hill and Evaporates: Human Organization and the Management of Water Environments

Published: 
July 31, 1974
U.S. Agency for International Development
This paper is concerned with such an approach to the institutional and organizational requirements of irrigated agriculture. To deal with this concern, several related topics will be discussed. First, a brief look at some historical attempts at irrigation development are presented. Next, a more...Read more
Regional focus: 
South East Asia

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