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PD/A CRSP Aquanews-Fall 2000
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News from the Pond

Recent months saw great strides in CRSP extension efforts. The Kenya project had a little middle-of-the night fun helping a beginning fish farmer. The farmer had made a large investment in materials and supplies but was having problems with the water quality in his ponds. Led by Host Country Co-Principal Investigator David Liti, a group of students working at Sagana Fish Farm visited the farm and made a series of water quality analyses throughout the night. Students then developed recommendations for improving water exchange through recirculation and for aerating at proper intervals. Not only did the students benefit from the learning experience, but the farm’s water quality and fish growth improved as well.

The Thailand project facilitated some global good spirits through cross-continental collaboration. Yang Yi, Research Associate at the Asian Institute of Technology, Pathumthani, Thailand, shared information with Robert Hartnell, of the United Kingdom’s Department for International Development (DFID). Hartnell will conduct semi-intensive low-cost tilapia culture projects in South Africa.

Diego Valderrama received Honorable Mention at the IIFET 2000 conference in July.

In Oregon, members of the Mexico project, based at Oregon State University, helped a first-time aquaculturist get started. Students working under Martin Fitzpatrick provided juvenile Nile tilapia to a grower who is experimenting with the feasibility of hydroponics using water from a tilapia system as the main nutrient source. The farmer intends to grow basil as the second crop in his recirculating system and hopes eventually to become a tilapia fry provider in Oregon.

Doug Ernst was asked to serve on an editorial committee of the journal Aquacultural Engineering. Ernst, who completed his Ph.D. dissertation in the spring, continues to field extension and database questions in his role as Manager of the PD/A CRSP Central Database at Oregon State University.

Diego Valderrama, perhaps the most decorated student in PD/A CRSP history, graduated last spring from the University of Arkansas at Pine Bluff (UAPB) with a master’s degree in Aquaculture/Fisheries. He has remained at UAPB as a Research Associate, working on several aquaculture economics projects. Before leaving the CRSP, however, Valderrama received one more award: an Honorable Mention for his paper "A Risk Programming Model for Shrimp Farming in Honduras" in the Best Student Paper Competition at the International Institute of Fisheries Economics and Trade (IIFET) 2000 conference held in Corvallis, Oregon, in July.

Wes Wood, researcher on both the Kenya Project and Pond Dynamics Research, was named an adjunct graduate faculty member at the University of Nairobi, Kenya. Wood is also a faculty member in the Department of Agronomy and Soils at Auburn University,

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