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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 ...