Fish production in Vietnam increased rapidly from 420 000 t in 1981 to 1 130 680 t in 1998. Likewise, there was an … 71 800 units with an average HP of 26.2 in 1998. In 1995, fish production was valued at VN$2 475 billion (US$0.02 billion … trawl and purse seine fisheries. Fish production in the Southern provinces is more developed compared to the northern and …

used to examine the status of demersal fishery resources in each area, focusing on catch rate and biomass trends … effort in the fisheries. The catch rates have declined up to 96% in some regions, while biomass estimates are down to 6% of … the virgin stock biomass. Most of the dominant species have exploitation ratios over 0.40. Analysis of the standardized …

total fish production (4.95 million t) and second in inland fish production (2.24 million t) during 1995 - 96. Fish … production expanded from 0.75 million t in 1950 - 51 to 4.95 million t in 1995 - 96, giving a significant increase at a … cumulative growth rate of 4.2% per annum. Marine fish production increased from 0.53 million t in 1950 - 51 to 2.71 million t in …

Data from trawl surveys (1961 - 95) and annual production statistics (1971 - 95) were used to examine the status of … demersal fishery resources in the Gulf of Thailand. Analyses were focused on biomass trends, population parameters and … indicate by 1995, the trawlable biomass in the Gulf had declined to only about 8.2% of the biomass level in 1961. The …

The biomass of 40 ecological groups, the diet composition of prey and predators, production/biomass (P/B) and … consumption/biomass (Q/B) ratios, and catches were used as basic input to parameterize an Ecopath model of the Gulf of Thailand … profit) were also used as input for the time-series simulations using Ecosim. The results depict changes in biomass and …

- 97, total fish production reached 1.3 million t with 75% from capture fisheries (0.9 million t) and 25% from aquaculture … production. Information on the gross national product (GNP) and domestic product (GDP) showed that the share of agriculture has …