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
How Bay-wide Nutrient Trading Could Benefit Pennsylvania Farms
This working paper evaluates the opportunities for Pennsylvania farms to sell nutrient credits in a proposed nutrient trading program in the Chesapeake Bay Watershed.Read more
Seventh Amendment to Grant Agreement Between the Arab Republic of Egypt and the United States of America for Irrigation Management Systems
This document summarizes projected USAID expenditures by component in chart form. The chart and accompanying agreements are included both in English and Arabic.Read more
Regional focus:
Egypt, Arab Rep., Middle East and North AfricaInferring the Distribution of the Parameters of the Von Bertalanffy Growth Model from Length Moments
The primary foal of the paper is to provide a framework for future research in generalizing Sainsbury's approach by considering (k, L) to be a random vector described by a joint probability density function and by allowing broader classes of distributions to be considered. Minimum cross-...Read more
Effects of Parameter Variability on Length - Cohort Analysis
Virtual Population Analysis and its approximation, Cohort Analysis are standard techniques for stock assessment when historical catch-at-age data are available. Jones proposed a length-cohort analysis in which length frequency data are used to construct a synthetic cohort when information about...Read more
Sultanate of Oman: Fisheries Development Master Plan
The goals for fisheries development in the Sultanate of Oman have been established by the Sultan, His Majesty Qaboos bin Said. The four goals are: 1) diversify the national economy; 2) promote rural development and halt urban migration; 3) improve nutrition among the Omani people; and 4)...Read more
Regional focus:
Middle East and North AfricaInduced Maturation and Spawning of Milkfish, Chamos Chanos Forsskal, By Hormone Implantation
Artificial induction of milkfish spawning has been achieved in the Philippines, Taiwan, and Hawaii. The injection of exogenous gonadotropins has been used traditionally to induce the final maturation of captive female fish at the completion of vitellogenesis. This paper reports trials with a new...Read more
Farm Irrigation Structures
Published:
March 1, 1983
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U.S. Agency for International Development, Colorado State University
A handbook of information on small irrigation structures is presented. Individual sections treat: delivery channels and ditches and control, water measuring, and other structures; low pressure pipe systems; construction and installation of ditches and pipes; and operation and maintenance...Read more
Circular Concrete Irrigation Turnout: Design and Construction
Improved conveyance channel water control structures are very important for bettering on-farm water management and increasing irrigation efficiency. This handbook describes the design, construction, and use of an irrigation channel turnout for rotational distribution systems in Pakistan. Initial...Read more
Regional focus:
Pakistan, South East AsiaAmendment Project Grant Agreement Between the Republic of Djibouti and the Use for Fisheries Development Project
The purpose of this amendment is to extend the project through August 1983, and to provide increased funding to cover additional technical services and commodities to attain the project objectives.Read more
Regional focus:
Djibouti, Middle East and North AfricaRevised Fisheries Prop (Project 512-15-180-247.4)
USAID assistance in Northeast Brazil began in 1964 with a team of five PASA technicians which surveyed at the request of SUDENE. USAID has been providing technical assistance in Fish Technology and Fish Biology. PASA assistance is terminating but contractor assistance is to continue for two more...Read more
Regional focus:
Brazil, Latin America and the CaribbeanDon't see what you're looking for? You can search USWP member sites, request a resource, or contact the USWP.