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

Biology and Culture of Marine Bivalve Mollusks of the Genus Anadara

Published: 
January 1, 1985
U.S. Agency for International Development
The International Center For Living Aquatic Resources Management (ICLARM) sponsored this review of the general biology, ecology, population dynamics, reproduction, and culture methods of marine bivalves of the family Arcade, subfamily Anadarinae. These cockles are harvested on a subsistence basis...Read more

Salinity Tolerance of the Tilapias: Oreochromis Aureus, O. Niloticus and an O. Mossambicus X O. Niloticus Hybrid

Published: 
January 1, 1985
U.S. Agency for International Development
The ontogeny of salinity tolerance was studied in the tilapias Oreochromis aureus, O. niloticus, and an O. mossambicus x O. niloticus (M x N) hybrid, spawned and reared in freshwater. Several indices were employed as practical measures of salinity tolerance: (1) median lethal salinity-96 hours,...Read more

Assessment of the Mariculture Potential of Indigenous. Eastern Caribbean Brine Shrimp

Published: 
December 1, 1984
U.S. Agency for International Development
A technical study has been undertaken to develop evaluation criteria for culturing endemic brine shrimp in Eastern Caribbean salt ponds. Salt ponds have been characterized in terms of Artema distribution and physical factors. 25% of these ponds have endemic brine shrimp population. Electrophoretic...Read more
Regional focus: 
Latin America and the Caribbean

Small-Scale Irrigation Development

Published: 
November 1, 1984
U.S. Agency for International Development
Design elements of a proposed A.I.D. small-scale irrigation development project in West Java and Eastern and Western Nusa Tenggara, Indonesia, are presented. The report analyzes the proposed project's overall institutional and social setting, provides a technical analysis of irrigation...Read more
Regional focus: 
IndonesiaEast Asia and Pacific

Development of Inland Fishing Industry in Jamaica, 1976-1984: A Summative Evaluation of Two Aid-Financed Development Projects

Published: 
November 1, 1984
U.S. Agency for International Development
Evaluates two projects to develop a national inland fishing industry in Jamaica. Special evaluation covers the period 1979-11/84 and is based on document review, site visits, and interviews with project staff, fish farmers, and involved host country personnel. The projects have successfully...Read more
Regional focus: 
JamaicaLatin America and the Caribbean

Review of Irrigation Facilities Operation and Maintenance for Jordan Valley Authority

Published: 
November 1, 1984
U.S. Agency for International Development
At the invitation of the Jordan Valley Authority (JVA), an A.I.D. consultant team visited the Jordan Valley to conduct a review of irrigation systems operation and maintenance (O&M). The review surveys, and recommends upgrading the main and subsystem O&M of, the irrigation projects in the...Read more
Regional focus: 
JordanMiddle East and North Africa

Nepal's Small and Medium Scale Irrigation Sector: Report of the Special U.S. Review Team

Published: 
November 1, 1984
U.S. Agency for International Development
In June 1984, three U.S. experts conducted an in-country study of Nepal's small and medium scale irrigation sector and assessed its needs for assistance. The team's key conclusions, presented herein, are: (1) Irrigation water management is the most neglected aspect of Nepal's water...Read more
Regional focus: 
NepalSouth East Asia

Technical Change and Social Relations in a West African Maritime Fishery: a Development History

Published: 
November 1, 1984
U.S. Agency for International Development
The relationship between technological development and socioeconomic change in the maritime fishing industry of the Sierra Leone Peninsula from 1600-1980 is explored in this paper. Positing that technological development in Africa derives from several interrelated factors such as existing...Read more
Regional focus: 
Sierra LeoneSub-Saharan Africa

Fisheries and Aquaculture: Handout Material

Published: 
October 11, 1984
U.S. Agency for International Development
Fish and shellfish are extremely important natural resources for mankind. Most fish are caught in coastal shallow water. Only a few species can be cultured in ponds. The world catch is almost 77 million metric tons, 90 percent of which are marine species. Half of this catch is by and in the...Read more

West Africa Fisheries Initiatives

Published: 
October 9, 1984
U.S. Agency for International Development
Summarizes and analyzes the documentation relating to West African fisheries. Also provides synopses, analyses, and evaluations of the relevant institutions, training programs, and donor activities, with a discussion of the prospects for West African fisheries development and management is...Read more
Regional focus: 
Sub-Saharan Africa

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