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Celestial Navigation
(Southeast Asian Fisheries Development Center, 1989-05)
To carry out any activities at sea one needs to know how to fix positions, set a course and measure the distance. In the area of fisheries, navigational knowledge is obviously essential. For instance, when a fishing boat ...
Coastal Navigation
(Southeast Asian Fisheries Development Center, 1986-04)
To carry out any activities at sea one needs to know how to fix positions, set a course and measure the distance. In the area of fisheries navigation knowledge is obviously essential. For instance, when a fishing boat ...
Shrimp Trawl Experiments in the Gulf of Thailand, Using Different Types of Net (1983-1984)
(Training Department, Southeast Asian Fisheries Development Center, 1986-04)
Since the introduction of otter-board trawl in 1961, there has been a rapid development of fishery production in Thailand. The excessive use of otter-board trawl has, however, resulted in over-fishing and depletion of ...
Fishing Technology Outline
(Training Department, Southeast Asian Fisheries Development Center, 1988-10)
The Training Department (TD) of the Southeast Asian Fisheries Development Center (SEAFDEC) conducts training and research regarding marine capture fisheries. Under its training activities, the Department offers a regular ...
An Introduction to Hydro Acoustic Echo Traces
(Training Department, Southeast Asian Fisheries Development Center, 1989-06)
This textbook, "An Introduction to Hydroacoustic Echo Traces", explains hydroacoustic information on the recording charts in the form of echo traces, digits and lines. Interpretation of echo traces is one of the most ...