Support of reconstruction and planning for the fishery in the estuary

Fiscal Year

2016

Title

Support of reconstruction and planning for the fishery in the estuary

Project and Theme

Project 1. Study on ecological succession of fisheries ground
Representative Organization: Tohoku University
Theme2. Towards sustainable fisheries reconstruction along the shores of Miyagi Prefecture
Representative personMakoto Osada
OrganizationTohoku University
DepartmentGraduate School of Agricultural Science
Representative personMotoyuki Hara
OrganizationTohoku University
DepartmentGraduate School of Agricultural Science

Research Information

Period and Interval
2016/04/01 - 2017/03/31
Monthly
Research Area
The Natori River estuary in Miyagi Prefecture
Category
Field survey
Overview
The survey have been proceeding to clear the status of fishery resources and environmental conditions in the Natori River estuary and to support the reconstruction of fishery. 1.Monitoring of the physical environmental conditions (Depth ,Water temperature,Salinity) 2.The survey on the Manila clam population status (Population density, Size distribution) 3.The survey Brackish water clam population status (Population density, Size distribution) 4.The survey on Ayu population status

Investigation Item and Data Acquisition

Investigation ItemData Acquisition
Physical environmental conditionsDepth, Water temperature, Salinity
Bottom sedimentGrain size distribution, silt-clay %, Organic carbon contents, carbon and nitrogen stable isotope ratios
Fishery resourcesPopulation density of the Manila clam, Brackish water clam and Ayu. Size distribution, Organic carbon contents, Carbon and Nitrogen stable isotope ratios.

Reference

Related Observation Result
FY2016 Reconstruction support and planning for the fishery in the estuary

Person in charge of Investigation

Representative personKinuko Ito
OrganizationTohoku University
DepartmentGraduate School of Agricultural Science

Keywords

Fiscal Year2016
OrganizationTohoku University
CategoryField survey
Research AreaSouth Sanriku
DisciplineOcean physics -> Water temperature
Ocean physics -> Salinity
Ocean chemistry -> Salinity
Ocean chemistry -> Organic matter
Ocean environment -> Seawater
Ocean environment -> Suspended solids
Ocean environment -> Sediment
Ocean environment -> Creature
Ocean biology / Ocean ecology -> Biological classification
Ocean biology / Ocean ecology -> Ecology
Ocean biology / Ocean ecology -> Fishes
Ocean biology / Ocean ecology -> Mollusks
Ocean biology / Ocean ecology -> Plankton
Ocean biology / Ocean ecology -> Seaweed beds / Tidal flats distribution
Topography / Geology / Geophysics -> Bathymetry
Topography / Geology / Geophysics -> Topography
Topography / Geology / Geophysics -> Bottom sediment
Topography / Geology / Geophysics -> Marine sediments