Proceedings of the 4th Technical Seminar on Marine Fishery Resources Survey in the South China Sea, Area IV: Vietnamese Waters, 18-20 September 2000
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Oil pollution in the Vietnamese waters
(Secretariat, Southeast Asian Fisheries Development Center, 2001)Enumeration of hydrocarbon-degrading microorganisms (HDM) and their degradative capacity studies were carried out in area IV of South China Sea (Vietnamese water). Microbial most probable number (MPN) varied from 101 ... -
Sedimentological characteristic of bottom sediment of Vietnamese coastline
(Secretariat, Southeast Asian Fisheries Development Center, 2001)During survey of SEAFDEC vessel in May, 1999, 39 samples of bottom sediments of Vietnamese coastline were collected. The samples were analyzed for their sedimentological, micropaleontological characteristics as well as for ... -
Analysis and estimation of trace metals in seawater and sediment in the South China Sea, Area IV: Vietnamese waters
(Secretariat, Southeast Asian Fisheries Development Center, 2001)Water samples from off shore of Vietnam from latitude 6°N to 21°N and longitude 103°C to 112°E were collected on 30 April 1999 to 29 May 1999 and analyzed for copper (Cu), lead (Pb), cadmium (Cd), zinc (Zn), nickel (Ni), ... -
Geotrophic and drift current in the South China Sea, Area IV: Vietnamese waters
(Secretariat, Southeast Asian Fisheries Development Center, 2001)The water circulation in area IV was calculated by 2 methods. The circulation for the area where water depth exceeded 600m was calculated by the geostrophic balance method. In a shallow water area effect of wind absolutely ... -
Climatological regime and weather condition occurred on the cruise expedition (May 1999) on Vietnam continental shelf
(Secretariat, Southeast Asian Fisheries Development Center, 2001)The report is considered in two parts as climatological regime in which the most of meteorological parameters are summarized in its climatological conditions based on long time series of data and the exact weather phenomenon ... -
Temperature, salinity, dissolved oxygen and water masses of Vietnamese waters
(Secretariat, Southeast Asian Fisheries Development Center, 2001)During April and May 1999, An MV SEAFDEC cruise was carried out in Vietnamese waters for the SEAFDEC Interdepartmental Collaborative Research Program on Marine Fishery Resources. Data on temperature, salinity and dissolved ... -
Analysis and pre-estimation of nutrients in Vietnamese waters
(Secretariat, Southeast Asian Fisheries Development Center, 2001)The distribution of nutrients (Silica, Phosphate, Ammonium, Nitrate, Nitrite and Sulfate) in the Vietnamese waters was studied in the SEAFDEC Interdepartmental Collaborative Research Survey: Area IV. The samples were ... -
Species composition, abundance and distribution of phytoplankton in the thermocline layer in the South China Sea, Area IV: Vietnamese waters
(Secretariat, Southeast Asian Fisheries Development Center, 2001)One hundred and eighty-five samples of phytoplankton were collected from 58 stations in the Vietnamese waters during 30 April – 29 May 1999 to investigated species composition, abundance and distribution in the thermocline ... -
Distribution, abundance and species composition of phytoplankton in the Vietnamese waters
(Secretariat, Southeast Asian Fisheries Development Center, 2001)Samples of phytoplankton were collected from 58 stations in the Vietnamese waters from 30 April to 21 - May, 1999 on boat M. V. SEAFDEC. The total of 508 taxa, which consisted of 1 genus, 3 species of Cyanophyta; 1 genus, ... -
Sub-thermocline chlorophyll maximum in the South China Sea, Area IV: Vietnamese waters
(Secretariat, Southeast Asian Fisheries Development Center, 2001)Shipboard measurement of chlorophyll a and b by HPLC system were carried out on the M.V. SEAFDEC Cruise No. 57/3-1999 from 21 April to 5 June 1999, in the South China Sea, Vietnamese waters. Chlorophyll a and b in surface ... -
Studies on phytoplankton pigments: chlorophyll, total carotenoids and degradation products in Vietnamese waters
(Secretariat, Southeast Asian Fisheries Development Center, 2001)Distribution of phytoplankton pigments was investigated in the relation to Chlorophyll a (Chl-a) and light intensity in Vietnamese waters located at longitude 102E - 112W, latitute 23N - 7N. Over 200 samples collected at ... -
Nanoplankton distribution and abundance in the Vietnamese waters of the South China Sea
(Secretariat, Southeast Asian Fisheries Development Center, 2001)A collaborative sea cruise in the Vietnam waters of the South China Sea was conducted in the postmonsoon (21 April to 5 June, 1999) period on board MV SEAFDEC. The nanoplankton from 21 sampling stations consisted of 134 ... -
Exploration of oceanic squid, Sthenoteuthis oualaniensis resources in the South China Sea, Vietnamese waters
(Secretariat, Southeast Asian Fisheries Development Center, 2001)Results from 10 sampling stations show that only one species of the purpleback flying squid, Sthenoteuthis oualaniensis (Lesson, 1930) were caught by automatic squid jigging gear. The distribution and abundance of the ... -
The systematics and distribution of oceanic cephalopods in the South China Sea, Area IV: Vietnamese waters
(Secretariat, Southeast Asian Fisheries Development Center, 2001)Oceanic cephalopod exploration was conducted by M.V. SEAFDEC in Vietnamese waters during 21 April- 5 June 1999, as part of SEAFDEC’s collaborative research survey on the fisheries resources of the South China Sea Area IV ... -
Study on biology of tuna in the South China Sea, Area IV; Vietnamese waters
(Secretariat, Southeast Asian Fisheries Development Center, 2001)Tuna and tuna-like species are recognized as the most promising target species in off-shore waters of Vietnam. The first studies on biology of tuna were conducted in 1960. To ensure the sustainable exploitation of tuna ... -
Composition, abundance and distribution of fish eggs and larvae in the South China Sea, Area IV : Vietnamese waters
(Secretariat, Southeast Asian Fisheries Development Center, 2001)This report is based on the data of fish eggs and larvae samples which were collected at the 58 stations of the Vietnamese waters, it covered from latitude 7° - 21° N and longitude 103° - 112° E. The cruise was carried out ... -
Composition, abundance and distribution of zooplankton in the South China Sea, Area IV: Vietnamese waters
(Secretariat, Southeast Asian Fisheries Development Center, 2001)The samples of 58 stations in Vietnamese Waters were collected by M.V. SEAFDEC on 21 April - 5 June 1999. Thirty-seven groups of zooplankton were found in this study. Copepoda was the most abundance followed by Chaetognatha ... -
Species composition, abundance and biomass distribution of zoobenthos in Vietnamese waters
(Secretariat, Southeast Asian Fisheries Development Center, 2001)The benthic invertebrate (zoobenthos) fauna in Vietnamese seawaters was surveyed in April - May, 1999. Zoobenthos specimen were sampled by Smith-McIntyre grab on 38 stations and 180 species were recorded and composed of 5 ... -
Fish taxonomic studies in the South China Sea, Area IV: Vietnamese waters
(Secretariat, Southeast Asian Fisheries Development Center, 2001)Work was undertaken on fish taxonomy of marine fish found in Vietnamese waters in order to revise the “Field guide to important commercial marine fishes of the South China Sea”. Two field surveys were carried out at 9 ... -
Tuna resource exploration with tuna longline in the South China Sea, Area IV: Vietnamese waters
(Secretariat, Southeast Asian Fisheries Development Center, 2001)The survey was designed to be carried out only in the central part of the whole area which was considered as deep sea or oceanic zone. Depth of water is mostly more than 1,000 m deep. The exploration area was covered from ...
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