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

Culture of Common Carp in Floating Net Cages

Published: 
January 1, 1989
U.S. Agency for International Development
A technique for growing common carp in a floating net cage is described herein through simple step-by-step illustrations and instructions. The guidebook covers all required steps, including net cage construction; site selection; fish seed selection, transport, and stocking; recordkeeping; feeding...Read more
Regional focus: 
IndonesiaEast Asia and Pacific

Fisheries Projects: United States Agency for International Development

Published: 
September 1, 1988
U.S. Agency for International Development
This report summarizes the activities, plans, policies, interests and issues on fisheries research and development of various AID bureaus, to assist the Office of Science and Technology/Agriculture (S&T/AGR) and other segments of the Agency in planning its fisheries strategy and program...Read more
Regional focus: 
IndonesiaEast Asia and Pacific

Production Systems for Commonly Cultured Freshwater Fishes of Southeast Asia

Published: 
September 1, 1988
U.S. Agency for International Development
A report on a workshop to devise means of reducing principal technical deterrents to future inland aquaculture in Southeast Asia.Read more
Regional focus: 
East Asia and Pacific

Pond Dynamics/Collaborative Research Data Reports Volume Three: Indonesia Project

Published: 
June 1, 1988
U.S. Agency for International Development
Data for various physical, chemical and biological parameters were collected in 1983-84 at the Babakan Fisheries Station of the Institute Pertanian Bogor, Indonesia, during the first experimental cycle of the Pond Dynamics/Aquaculture Collaborative Research Support Program (PD/A CRSP). The station...Read more
Regional focus: 
IndonesiaEast Asia and Pacific

Improved Method for Fitting Gillnet Selectivity Curves to Predetermined Distributions

Published: 
June 1, 1988
U.S. Agency for International Development
Monte Carlo optimization with constraints was used to estimate parameters of "skew-normal" selectivity curves for gillnets. Non-linear functions of mesh size were explored in addition to the linear ones described by Wulff (1986). This methodology can be used to estimate the parameters for...Read more
Regional focus: 
PhilippinesEast Asia and Pacific

User's Manual for Simulpop, a Program to Simulate Series of Length Frequency Distributions of An Exploited Fish Stock

Published: 
May 1, 1988
U.S. Agency for International Development
The objective of the program is to obtain a series of monthly length­ frequency distributions representing the catch of a population with known parameters (life history and fishing activity related parameters). Consequently, it is possible to verify the ability of different length frequency...Read more
Regional focus: 
PhilippinesEast Asia and Pacific

Coral Reef Fisheries At Cape Bolinao, Philippines: An Assessment of Catch, Effort, and Yield

Published: 
April 1, 1988
U.S. Agency for International Development
Monthly catch per unit effort, total efforts and total catch were estimated in an 11 km intensively fished coralline shelf area near Cape Bolinao, Pangassinan, Philippines, June through October 1986, for three principal artisanal fisheries: fish trap, spear, and hook-and-line. Catch per unit effort...Read more
Regional focus: 
PhilippinesEast Asia and Pacific

Baskets of Stones: Government Assistance and Development of Local Irrigation in a District of Northern Sumatera

Published: 
March 1, 1988
U.S. Agency for International Development
Local irrigation networks built, operated and maintained for the local people rather than state irrigation agencies are prevalent throughout Afia. This research discusses the nature and consequences of state assistance to such local system. Focusing on a single administrative district in the...Read more
Regional focus: 
IndonesiaEast Asia and Pacific

Implementing the Irrigation Maintenance and Operations (M & O) Learning Process Regionally or Nationally

Published: 
March 1, 1988
U.S. Agency for International Development
This report examines a maintenance and operations learning process which was developed to provide guidelines that will identify common problems with irrigation systems and to develop solutions that treat the causes of these problems.Read more
Regional focus: 
ThailandEast Asia and Pacific

Irrigation System Operations Intensity and Relative Water Supply: the Asian Case

Published: 
March 1, 1988
U.S. Agency for International Development
In order to perform satisfactorily, an irrigation system should be able to maintain an appropriate balance among the objectives of productivity, equate and efficiency. This report delves into the management of irrigation systems.Read more
Regional focus: 
East Asia and Pacific

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