Clarify the marine ecosystem fluctuation mechanism in the Sanriku offing

Fiscal Year

2014

Title

Clarify the marine ecosystem fluctuation mechanism in the Sanriku offing

Project and Theme

Project 3. Research on factors controlling open ocean benthopelagic ecosystem dynamics
Representative Organization: Japan Agency for Marine-Earth Science and Technology
Theme2. Marine environmental changes monitoring
Representative personShuichi Watanabe
OrganizationJapan Agency for Marine-Earth Science and Technology
DepartmentEastern Japan Marine Ecosystems Dynamics Project team

Research Information

Period and Interval
2014/06/23 - 2014/07/25
Research Area
The observation area is region surrounded in 37- 50' N ~ 40-00' N and 141-30' E ~ 143-15' (Depth: 50 ~ 2,000m)
0095_P01_map01.pdf
Research Point Table
Polygon
NameArea: NT14-11
Coordinates37.833333,141.5/40,141.5/40,143.25/37.833333,143.25
RemarksVertexes of the polygon
Category
Research Cruise
Overview
Carry out the following research to clarify marine ecosystem fluctuation mechanism in the Sanriku offshore area as consistency of "TEAMS" in this research cruise secondary to last year.(1) Highly precise bottom topography and debris mapping in the fishing ground of the Sanriku offshore area.(2) Understand distribution and behavior of the fishing resources in the fishing ground of the Sanriku offshore area.(3) Recovery and the installation of the long-term environmental monitoring apparatus.(4) Estimate of the harmful substance content of collected resources organisms.(5) Obtain basic information of the ecosystem habitat mapping.

Investigation Item and Data Acquisition

Investigation ItemData Acquisition
Diving survey by the Hyper Dolphinimage, video, CTD, etc.
Survey using sonarsacoustic data

Reference

Related Observation Result
FY2014 Elucidation of the marine ecosystem fluctuation mechanism in the Sanriku offshore area

Person in charge of Investigation

Representative personYasuo Furushima
OrganizationJapan Agency for Marine-Earth Science and Technology
DepartmentEastern Japan Marine Ecosystems Dynamics Project team

Keywords

Fiscal Year2014
OrganizationJapan Agency for Marine-Earth Science and Technology
CategoryResearch Cruise
Research AreaNorth Sanriku
South Sanriku
Off Tohoku
DisciplineOcean physics -> Water temperature
Ocean physics -> Salinity
Ocean physics -> Ocean current / Tidal current (Current direction/Current speed)
Ocean chemistry -> Dissolved oxygen
Ocean chemistry -> Others
Ocean environment -> Others
Ocean biology / Ocean ecology -> Biological classification
Ocean biology / Ocean ecology -> Biomass
Ocean biology / Ocean ecology -> Ecology
Ocean biology / Ocean ecology -> Arthropods
Ocean biology / Ocean ecology -> Mollusks
Ocean biology / Ocean ecology -> Plankton
Ocean biology / Ocean ecology -> Others
Topography / Geology / Geophysics -> Bathymetry
Topography / Geology / Geophysics -> Bottom sediment
Topography / Geology / Geophysics -> Marine sediments