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Report on the Second Experiment with Bottom Vertical Longline in the South China Sea
(Training Department, Southeast Asian Fisheries Development Center, 1985-06)
The South China Sea is dotted with many fish banks of various shapes and sizes. The waters around fish banks are thought to constitute good fishing grounds for both pelagic and demersal species.
In 1982 the SEAFDEC ...
Intensity of Luring Light for Squid Lift-Net Fisheries in Thailand
(Training Department, Southeast Asian Fisheries Development Center, 1985-05)
Net fishing with light has made a great progress in the Gulf of Thailand and as a result, the power of fishing lights has been increasing year by year. However, There is very little information concerning the attracting ...
Model Experiment on Shrimp Trawl
(Training Department, Southeast Asian Fisheries Development Center, 1985-10)
Trawls are recognized as a fishing gear that has a high catching efficiency and plays an important role in the fisheries of the world. However, trawls are also seen as a type of gear that accelerates the destruction of ...
Report of the Thai-SEAFDEC Joint Fishery Oceanographic Survey in the Central Gulf of Thailand (16 May-9 June 1984) Volume I
(Training Department, Southeast Asian Fisheries Development Center, 1985-07)
The work on fishery oceanography is only at the initial stage in the Southeast Asia, despite a number of studies on fisheries resources and the oceanic properties which have greatly expanded since the 1960s. On the effects ...
Multidisciplinary Evaluation of the Artificial Reef Projects in Thailand
(Training Department, Southeast Asian Fisheries Development Center, 1989-01)
During the last ten years, artificial reefs have been installed experimentally at thirty-one sites along the coastline of Thailand. A follow-up survey of these experiments has been carried out only partially at each site. ...
Estimation of the Bertalanffy Growth Parameters of Fishes in the Gulf of Thailand by Unweighted of Weighted least Squares Methods
(Training Department, Southeast Asian Fisheries Development Center, 1989-05)
Three probabilistic models are postulated under the assumptions that the error terms are additive and that the length variances are constant for all ages in Model 1, the variances are proportional to the square roots of ...
Price Analysis of some Economically Important Marine Species in Thailand
(Training Department, Southeast Asian Fisheries Development Center, 1989-10)
In this study, statistical analyses were made for whole- sale prices of five major economically important marine species, namely, Shrimp and Prawn, Squid and Cuttlefish, Indo-Pacific Mackerel, Little Tuna and Trash Fish. ...
Dynamics of Demersal Fish Communities in the Gulf of Thailand, 1963-1981
(Training Department, Southeast Asian Fisheries Development Center, 1987-02)
The demersal fish stocks In the Gulf or Thailand have been intensively studied since the exploitation of these fisheries started in the early 1960 ‘s. Investigations by otter board trawl have been conducted annually by the ...
An Assessment of the Interactions between Species in Multispecies Demersal Fisheries in the Southern Part of the Gulf of Thailand
(Training Department, Southeast Asian Fisheries Development Center, 1987-09)
The demersal fisheries in the Gulf of Thailand are a good example of multispecies fisheries which have been studied intensively. Since the early 1960’s, catch per unit of fishing effort (CPUE) statistics, in terms of ...
An Analysis of Catch Curve Using Length Composition Data With Applications to the Lizard Fish (Saurida elongata) in the Gulf of Thailand
(Training Department, Southeast Asian Fisheries Development Center, 1987-04)
Since the beginning of this century a catch curve, which represents the relationship between the size or age of the fish and the logarithms of the frequency of the occurrence of the fish in catches, has long been recognized ...