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

Report on AID Grant to the South Pacific Commission

Published: 
September 1, 1990
U.S. Agency for International Development
A grant proposal and report that was made to the South Pacific Commission to be used for the support of the SPC Tuna and Billfish Assessment Program.Read more
Regional focus: 
East Asia and Pacific

Annual Report: Production of B-Carotene and Other Carotenoids By the Alga Dunaliella and Their Use as a Source of Vitamin a and Pigments in Aquatic Organisms -- August 29, 1989-August 28, 1990

Published: 
August 1, 1990
U.S. Agency for International Development
In the present first year study we grew D. bardawilin outdoor miniponds, harvested the algae by centrifugation and lyophilized the paste to a dry Beta-carotene-rich powder. In parallel, attempts were made to extract the Beta-carotene from the algae and partially purify the 9-cis stereoisomer. The...Read more
Regional focus: 
ThailandEast Asia and Pacific

Nitrogen Input, Primary Productivity and Fish Yield in Fertilized Freshwater Ponds in Indonesia

Published: 
July 1, 1990
U.S. Agency for International Development
Twelve 0.2 ha ponds in West Java were fertilized weekly with four levels of chicken manure during a 149 day grow out experiment for Nile tilapia production. Laboratory leaching experiments for measuring dissolved inorganic nitrogen (DIN) release from chicken manure showed that nitrogen was released...Read more
Regional focus: 
IndonesiaEast Asia and Pacific

Reservoir Fisheries and Aquaculture Development for Resettlement in Indonesia

Published: 
January 1, 1990
U.S. Agency for International Development
This technical report describes a success story in reservoir aquaculture and fisheries research and development in the Saguling and Cirata Reservoirs in West Java, Indonesia. The project was undertaken on behalf of farmers and fishermen displaced by the reservoir development and involved fruitful...Read more
Regional focus: 
IndonesiaEast Asia and Pacific

Hatchery Techniques for Egg and Fry Production of Clarias Batrachus (Linnaeus)

Published: 
December 1, 1989
U.S. Agency for International Development
Egg hatching, and fry growth and survival of the walking catfish, Clarias batrachus (Linnaeus),were investigated under hatchery conditions in West Java, Indonesia. Spawning was environmentally induced in a specialized breeding pond. Gravid females utilized nests containing kakaban, a fibrous...Read more
Regional focus: 
IndonesiaEast Asia and Pacific

Medium Scale Irrigation Systems in Northeast Thailand: Future Directions

Published: 
September 1, 1989
U.S. Agency for International Development
Appropriate sites for new irrigation development are increasingly hard to find, and many countries are choosing to rehabilitate existing systems instead. This study assesses the effectiveness and replicability of the Northeast Small Scale Irrigation Project (NESSI), which involved rehabilitation...Read more
Regional focus: 
ThailandEast Asia and Pacific

Spatio - Temporal Variations in Community Structure on a Heavily Fished Slope in Bolinao, Philippines

Published: 
August 1, 1989
U.S. Agency for International Development
An analysis of variations in community structure along a heavily fished fore reef slope in the Philippines indicates that depth and heterogeneity at the 1 and 10 cm scales were dominant structuring factors. Bottom temperature also appeared to be influential, but its effect was difficult to isolate...Read more
Regional focus: 
PhilippinesEast Asia and Pacific

Project Completion Report of the Mae Nam Prachantakham Irrigation Project

Published: 
April 1, 1989
U.S. Agency for International Development
In order to expand paddy production, several measures have been undertaken including the introduction of high yielding varieties of paddy seeds, introduction of modern technology . and expanding the areas under irrigation. The major component of the project works consists of the construction of a...Read more
Regional focus: 
ThailandEast Asia and Pacific

Growing Fish in Cages

Published: 
January 1, 1989
U.S. Agency for International Development
The techniques described here were developed in the Saguling and Cirata Reservoirs in Bandung, Indonesia. They can easily be adapted to other locations.Read more
Regional focus: 
IndonesiaEast Asia and Pacific

Small-Scale Hatchery for Common Carp

Published: 
January 1, 1989
U.S. Agency for International Development
The techniques described in this book were developed for culture of common carp in the Saguling and Cirata Reservoir Regions in West Java, Indonesia. They can easily be adapted to other locations.Read more
Regional focus: 
IndonesiaEast Asia and Pacific

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