Studies on the coastal environment and marine resources in the southern part of Iwate Prefecture

Fiscal Year

2014

Title

Studies on the coastal environment and marine resources in the southern part of Iwate Prefecture

Project and Theme

Project 1. Study on ecological succession of fisheries ground
Representative Organization: Tohoku University
Theme5. Studies on the coastal environment and marine resources in the southern part of Iwate Prefecture
Representative personRyusuke Kado
OrganizationKitasato University
DepartmentSchool of Marine Biosciences

Research Information

Period and Interval
2014/04/01 - 2015/03/31
Dinoflagellate survey: Apr. 2014 - Mar. 2015 (every month), Cyst survey: Sep. 2014, Diatom survey: Apr. 2014 - Mar. 2015 (every two month)
Research Area
Okkirai Bay, Ofunato Bay, Otsuchi Bay
Category
Field survey
Overview
1. Periodical monitoring on the abundance of harmful microalgae will be conducted at 2 stations in Ofunato Bay and Okkirai Bay, Iwate Prefecture. 2. Horizontal distribution of Alexandrium resting cyst will be surveyed for the sediment of Ofunato Bay. 3. Peridical monitoring of the appearance of ASP toxin-producing pennate diatoms followed by isolation of Pseudo-nitzschia multiseries and measuring the ASP toxins of the filtered net sample. 4. Investigation of re-appearance of N. navis-varingica that was once disappeared by the tsunami of on March 11, 2011.

Investigation Item and Data Acquisition

Investigation ItemData Acquisition
Toxic or harmful planktonAbundance and distribution of toxic phytoplankton or red tide forming dinoflagellate
Resting cyst of causative dinoflagellate of paralytic shellfish poisoningHorizontal distribution of resting cyst in the sediment of Ofunato Bay
ASP toxin-producing Pseudo-nitzschiaOccurrence and the toxicity of Pseudo-nitzschia net tow sample
ASP toxin-producing N. navis-varingicaRe-appearance and toxin production cheracteristic of N. navis-varingica

Reference

Related Observation Result
FY2014 Surveys on harmful alge in the coastal areas of southern Iwate Prefecture

Person in charge of Investigation

Representative personTakehiko Ogata
OrganizationKitasato University
DepartmentSchool of Marine Biosciences
Representative personYuichi Kotaki
OrganizationKitasato University
DepartmentSchool of Marine Biosciences

Keywords

Fiscal Year2014
OrganizationKitasato University
CategoryField survey
Research AreaSouth Sanriku
DisciplineOcean environment -> Seawater
Ocean environment -> Sediment
Ocean environment -> Creature
Ocean biology / Ocean ecology -> Biomass
Ocean biology / Ocean ecology -> Ecology
Ocean biology / Ocean ecology -> Plankton
Ocean biology / Ocean ecology -> Others
Topography / Geology / Geophysics -> Bottom sediment