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

Irrigation Water Cost Recovery in Egypt: Determination of Water Costs

Published: 
January 1, 1993
U.S. Agency for International Development
This study addresses the problem of identifying incremental operation, maintenance, and rehabilitation (OM&R) expenditures needed to raise the performance of the water delivery system in Egypt to DO adequate level. Emphasis is placed on developing a procedure for allocating the costs of the...Read more
Regional focus: 
Egypt, Arab Rep.Middle East and North Africa

Multivariate Methods in Aquaculture Research: Case Studies of Tilapias in Experimental and Commercial Systems

Published: 
January 1, 1993
U.S. Agency for International Development
This contribution presents the rationale for the other chapters in this book, to which it serves as introduction. We discuss sequentially: our emphasis on tilapia (Oreochromis spp., Fam. Cichlidae), modelling of pond aquaculture, exploratory and con­ firmatory methods for multivariate analysis, the...Read more
Regional focus: 
PhilippinesEast Asia and Pacific

Management Turnover of a Pump Irrigation System in The Philippines: The Farmer'S Way

Published: 
January 1, 1993
U.S. Agency for International Development
The Philippines' National Irrigation Administration (NIA) of the Philippines has piloted and implemented several approaches to organizing farmers to undertake management responsibilities for the operation and maintenance (O&M) of irrigation systems. in 1983, NIA piloted a new approach...Read more
Regional focus: 
PhilippinesEast Asia and Pacific

Role of Chicken Manure in The Production of Nile Tilapia, Oreochromis Niloticus (L.)

Published: 
January 1, 1993
U.S. Agency for International Development
Two grow-out experiments were conducted to evaluate the functional role of chicken manure for Nile tilapia. Oreochromis niloticus (L.), production in central Thailand. Experiment 1 examined the relationship between chicken manure input and net fish yield (NFY). Experiment 2 determined the value of...Read more
Regional focus: 
ThailandEast Asia and Pacific

Trophic Models of Aquatic Ecosystems

Published: 
January 1, 1993
U.S. Agency for International Development
An improved version ofJ.J. Polovina's ECOPATH program for the construction of steady-state multispecies ecosystem models from fisheries data is presented. This new version, called"ECOPATH II,"differs from the original, aside from being more user-friendly, in a number of important...Read more

Environment and Aquaculture in Developing Countries

Published: 
January 1, 1993
U.S. Agency for International Development
Aquaculture, like all interventions by humans to exploit or manage natural resources for food production, has the potential for causing environmental harm as well as for improving livelihood and nutrition. Aquaculture development must be u undertaken in a broad intersectoral context, considering...Read more

On The Role of Urea in Pond Fertilization

Published: 
January 1, 1993
U.S. Agency for International Development
Two experiments were conducted to better understand the role of urea in pond fertilization. in experiment 1, urea dissolved in pond water and incubated in aquaria at approximately 30degrees Celsius disappeared at a rate of 303ug urea-N1 day under natural sunlight conditions, and 102 ug urea-N1 day...Read more

ICLARM Report, 1992

Published: 
January 1, 1993
U.S. Agency for International Development
The outcome of the Plan was a redefining of ICLARM's goal from the broad "Statement of Purpose" shown in previous Reports, to the following: Improved production and management of fisheries resources for sustainable benefits of present and future generations of low-income users in...Read more

Directory of The Network of Tropical Aquaculture Scientists

Published: 
January 1, 1993
U.S. Agency for International Development
This is the first full directory of the Network of Tropical Aquaculture Scientists (NTAS) published since the Network was established in 1987. The contents of this directory were culled from the responses of a questionnaire which was sent out to 579 members in April 1992. This directory comprises a...Read more

Project Partial Termination Report: Oman Fisheries Development and Management Project

Published: 
December 1, 1992
U.S. Agency for International Development
From its inception, the Oman Fisheries Development and Management Project (FDMP) has pursued the primary goal of sustainable growth and development of the fisheries industry in Oman by working to strengthen the technical, administrative and management skills of the Directorate General of Fisheries...Read more
Regional focus: 
OmanMiddle East and North Africa

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