RESEARCH INSTITUTE FOR MARINE FISHERIES

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Presentation transcript:

RESEARCH INSTITUTE FOR MARINE FISHERIES 170 Le Lai, Hai Phong City, Viet Nam Country Report Status of resources surveys related to the deep-sea exploration in Vietnam Regional Workshop on the Standard Operation Procedure and Development / Improvement of Sampling Gears for the Deep-sea Resources Exploration Bangkok, 26 - 28 May 2009 Nguyen Viet Nghia Research Institute for Marine Fisheries 170 Le Lai, Hai Phong City Viet Nam

Introduction  Deep-sea fisheries is a possible choice! Vietnam locates in the Southeast Asia, with: Long coastal line: 3,260km Exclusive economic zone (EEZ): over 1 million km2 Large deep-sea area The Fishery plays an important role in the economics provided about 40% animal protein in the Vietnamese diet, created jobs for totally over 4 million laborers contributed about 4% of the GDP (2004) High fishing pressure leads to over-exploitation of the resources, especially in coastal areas. It is needed to develop offshore fisheries  Deep-sea fisheries is a possible choice!

Bathymetry profiles Management Area (All the marine waters of Vietnam is devided into 4 areas for the management purposes) 1. Tonkin Gulf 2. Central 3. Southeast 4. Southwest Depth strata 0-20 m Near-shore areas 20-30 m 30-50 m 50-100 m 100-200 m Off-shore areas (Considered as deep-sea areas) >200 m

Related deep-sea surveys Viet-Xo Joint surveys (1978-1988) Gear used: Otter trawl Numbers of vessel: 22 vessels, with 31 trips Numbers of station: 4,412 stations (deep sea: 1,312 stations)

Related deep-sea surveys ALMRV PHASE 1 (1996-1997): supported by DANIDA Gear used: Otter trawl Period: 1996 – 1997 Vessel: HA LONG 408 B Numbers of trip: 2 trips Station: 292 stations (in deep sea area: 63 stations) ALMRV PHASE 2 (2000-2005): supported by DANIDA Period: 2000-2005 Numbers of trip: 14 trips Numbers of station: 894 stations (in deep sea area: 91 stations)

Related deep-sea surveys ALMRV PHASE 2 (2000-2005): supported by DANIDA Gear used: Trap and bottom longline Period: 2002 Numbers of trip: 1 trips Numbers of station: 28 stations Numbers of station in deep sea area: 28 stations

Related deep-sea surveys Continental slope surveys (2005-2007) Gear used: Bottom longline, BVL, traps, pots Period: 2005-2007 Vessel: M/V SEAFDEC 2, commercial boats Surveys: 2 surveys Trial fishing: 3 surveys Survey (May 2005) Survey (Oct 2006) Trial fishing (2007) Trial fishing (2006)

Results Viet-Xo Joint surveys (1978-1988) Species composition Numbers of species Numbers of family

Results (cont’) Viet-Xo Joint surveys (1978-1988) Catch rate

Numbers of family/species Results (cont’) ALMRV PHASE 1 surveys (1996-1997) Species composition Numbers of family/species

Results (cont’) ALMRV PHASE 1 surveys (1996-1997) Catch rate (kg/h) Catch rate (kg/h) by depth strata

Results (cont’) ALMRV PHASE 2 surveys (2000-2005) SW moonson NE moonson (2000-2005)

Results (cont’) Continental slope surveys (2005-2007) Species composition

Results (cont’) Continental slope surveys (2005-2007) Species composition Surveys (2005-2006)

Results (cont’) Continental slope surveys (2005-2007) Species composition Trial fishing (2006-2007)

Results (cont’) Continental slope surveys (2005-2007) *) Bottom longline

Results (cont’) Continental slope surveys (2005-2007) *) Grouper trap (soft cover)

Results (cont’) Continental slope surveys (2005-2007) *) Cylinder swim. crab trap

Results (cont’) Continental slope surveys (2005-2007) *) Rectangular swim. crab trap

Results (cont’) Continental slope surveys (2005-2007) *) Bottom longline May 2006 Oct 2006 Apr 2007

Results (cont’) Continental slope surveys (2005-2007) *) Eel pots May 2006 Apr 2007

Future needs Collaboration with SEAFDEC and countries on: Resources assessments of deep-sea waters Deep-sea species identification Deep-sea ecology Gear improvement/development for deep-sea fisheries Technology transfer

Thank you very much!