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

Atlas of the Growth, Mortality and Recruitment of Philippine Fishes

Published: 
January 1, 1984
U.S. Agency for International Development
To provide parameters for estimating the vital statistics of commercially important Philippine fishes, a detailed analysis was made of electronic length-frequency data collected from 1957 to 1981. This analysis used data supplied mainly by the Philippine Bureau of Fisheries and Aquatic Resources,...Read more
Regional focus: 
PhilippinesEast Asia and Pacific

Improving Irrigation Management Through Farmer Organization: Responses to a Program in Sri Lanka

Published: 
January 1, 1984
U.S. Agency for International Development
More than most countries, Sri Lanka depends on the irrigated production of paddy to feed its population. About two-thirds of the area devoted to paddy is irrigated, and irrigated areas produce 80% of the total rice crop. There are currently several experiments in Sri Lanka aimed at promoting farmer...Read more
Regional focus: 
Sri LankaSouth East Asia

Rapid Mini Appraisal of Irrigation Development Options and Investment Strategies for Tanzania/USAID

Published: 
January 1, 1984
U.S. Agency for International Development
The Government of Tanzania's (GOT) recent emphasis on offsetting the effects of drought through small-scale irrigation projects that use local currency and self help is encouraged in this rapid survey of the country's irrigation sector. Incremental rather than long-term planning and the...Read more
Regional focus: 
TanzaniaSub-Saharan Africa

Particular Needs of Fishing Vessels for Use in the Developing World

Published: 
January 1, 1984
U.S. Agency for International Development
The fisheries of developing nations sometimes require vessels whose characteristics are quite different from those used in the industrialized countries. The panel assembled here is composed of representatives from East Asia, Latin America, West Africa, Southeast Asia, and the Caribbean. Each of...Read more
Regional focus: 
United StatesNorth America

Experimental Rearing of Nile Tilapia Fry (Oreochromis Niloticus) for Saltwater Culture

Published: 
January 1, 1984
U.S. Agency for International Development
Tilapia culture in coastal waters and in saline brackish water in arid areas has been inhibited by inadequate research on tilapia biology and culture with respect to salinity tolerance. This study presents a preliminary evaluation of the utility of several approaches of early salinity exposure for...Read more

An Account of Fishery Development Projects in the CECAF Region

Published: 
January 1, 1984
U.S. Agency for International Development
This report describes trends in fishery development in the CECAF region by country, outlining the objectives of such projects as they relate to the needs of the countries.Read more
Regional focus: 
Sub-Saharan Africa

Farm Irrigation System Improvement, Abu Raya, Egypt

Published: 
December 12, 1983
U.S. Agency for International Development
An on-farm water management improvement project in Egypt which identified problems with farm irrigation methods and practices is described in this paper from the 1983 winter meeting of the American Society of Agricultural Engineers. Suggested problem solutions were field tested, from which a...Read more
Regional focus: 
Egypt, Arab Rep.Middle East and North Africa

Options in Powering Irrigation Equipment for Tubewells and Low - Lift Pumps in Bangladesh

Published: 
December 7, 1983
U.S. Agency for International Development
Due to the rising cost of imported fuel, the Government of Bangladesh (GOB) is evaluating different power sources for irrigation pumps. This report reviews studies and government policies affecting the choice between electric and diesel power. A review of engineering and cost studies shows...Read more
Regional focus: 
South East Asia

Small Farm Self-Help Irrigation Projects

Published: 
December 1, 1983
U.S. Agency for International Development
Nine principles for irrigation water management drawn from A.I.D.'s successful Small Farm, Self-Help Irrigation program in Guatemala are presented and discussed. (1-2) Identify site suitability and benefit potential and locate farmers willing to participate in a self-help project. (3)...Read more
Regional focus: 
GuatemalaLatin America and the Caribbean

Formal and Informal Water Management Systems: Cultivation Meetings and Water Deliveries in Two Sri Lankan Irrigation Schemes

Published: 
December 1, 1983
U.S. Agency for International Development
This paper details an extensive study of the way in which water is allocated and managed in the Gal Oya and Kaudulla Tank Irrigation Schemes. In this paper they compare and contrast their experiences during the dry season and by focusing on the cultivation meetings.Read more
Regional focus: 
Sri LankaSouth East Asia

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