Secretariat: Recent submissions
61-80 / 130
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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 ... -
Assessment of relative abundance of fishes caught by gillnet in Vietnamese waters
(Secretariat, Southeast Asian Fisheries Development Center, 2001)The fisheries resources in near shore waters of Vietnam are reported to be overexploited resulting on the decrease of CPUE. It is important to develop the off-shore fisheries in Vietnam now. However information on off-shore ... -
Pelagic stock assessment by hydroacoustic method in the South China Sea, Area IV: Vietnamese waters
(Secretariat, Southeast Asian Fisheries Development Center, 2001)A collaborative acoustic survey between the Research Institute of Marine Products (RIMP), Vietnam and the Marine Fishery Resources Development and Management Department (MFRDMD) of SEAFDEC, was carried out in Vietnam waters ... -
Proceedings of the Third Technical Seminar on Marine Fishery Resources Survey in the South China Sea, Area III: Western Philippines, 13-15 July 1999
(Secretariat, Southeast Asian Fisheries Development Center, 2000)The Seminar presents an analysis of the results of the fisheries and oceanographic survey covering the waters of western Philippines, Area III, conducted during the period April-May 1998 by the M.V. SEAFDEC. A total of 23 ... -
Cruise report of MV. SEAFDEC No. 50-4/1998 of the Collaborative Research Survey in the South China Sea, Area III: Western Philippines, 7 April to 19 May 1998
(Secretariat, Southeast Asian Fisheries Development Center, 2000)Details are given of the activities and findings of a cruise conducted by the MV SEAFDEC in western Philippine waters in order to survey the fishery resources in the area. Three major activities were conducted: an acoustic ... -
Petroleum hydrocarbon contamination in seawater along the Western Coast of the Philippines
(Secretariat, Southeast Asian Fisheries Development Center, 2000)A study on petroleum hydrocarbon concentrations in seawater from the South China Sea off the western coast of the Philippines was conducted during April to May 1998. The concentrations of dissolved/dispersed petroleum ... -
Geostrophic and tidal currents in the South China Sea, Area III: West Philippines
(Secretariat, Southeast Asian Fisheries Development Center, 2000)The findings are presented of observations made during the SEAFDEC cruise conducted in western Philippines waters during the period mid April-mid May 1998 regarding the geostrophic and tidal currents. The dynamic high and ... -
Characteristics of water in the South China Sea, Area III: Western Philippines
(Secretariat, Southeast Asian Fisheries Development Center, 2000)The characteristics of water in the South China Sea from latitude 11° N to 20°N and longitude 117°E to 121°E during 18 April to 8 May 1998 have been studied using Integrated CTD instruments onboard MV. SEAFDEC. It was found ... -
Nanoplankton distribution and abundance in the South China Sea, Area III: Waters of Western
(Secretariat, Southeast Asian Fisheries Development Center, 2000)A collaborative cruise in the South China Sea in the waters of the South China Sea off the Western Philippines was conducted in the post-monsoon (April and May, 1998) periods on board MV SEAFDEC. The nanoplankton (including ... -
Dissolved nutrients in the South China Sea, Area III: Western Philippines
(Secretariat, Southeast Asian Fisheries Development Center, 2000)This paper discusses the distribution of dissolved nutrients and the hydrology of the first 100 m depth of Western Philippines, South China Sea (SCS). The object of the study was to understand variations in the distribution ... -
The primary productivity in the South China Sea, Area III: Western Philippines
(Secretariat, Southeast Asian Fisheries Development Center, 2000)In this paper the relative concentrations and vertical distributions of primary production were investigated off Western Philippines of the South China Sea during tradewinds from April 15 to May 11, 1998. Primary productivity ... -
Phytoplankton in the surface layers of the South China Sea, Area III: Western Philippines
(Secretariat, Southeast Asian Fisheries Development Center, 2000)Phytoplankton in the surface layers of South China Sea, Western Philippines were investigated for species composition, distribution and abundance. Thirty one stations were sampled during the cruise of M/V SEAFDEC to South ... -
Subthermocline chlorophyll maxima in the South China Sea, Area III (Western Philippines)
(Secretariat, Southeast Asian Fisheries Development Center, 2000)The subsurface chlorophyll maxima from 31 sampling stations in the South China Sea off Western Philippines were investigated. The extremely low concentration of chlorophyll ranged 0.001-0.104 µg/l were observed. These ...
