publication . Article . 2007

Role of tidal flat in material cycling in the coastal sea

Yara, Yumiko; Yanagi, Tetsuo; Montani, Shigeru; Kuninao, Tada;
Open Access English
  • Published: 28 Aug 2007 Journal: うみ, volume 45, issue 3, pages 117-134 (issn: 0503-1540, Copyright policy)
  • Publisher: 日仏海洋学会
Abstract
A simple tidal flat model with pelagic and benthic ecosystems was developed in order to analyze the nitrogen cycling in an inter-tidal flat of the Seto Inland Sea, Japan. After the verification of calculation results with the observed results in water quality and benthic biomasses, the role of this tidal flat in nitrogen cycling was evaluated from the viewpoint of water quality purification capability. When there is no suspension feeder in the tidal flat, the water quality purification capability of this tidal flat becomes lower because the outflow of organic nitrogen increases compared to the present case, and the red tides may be generated.
Subjects
arXiv: Astrophysics::Galaxy AstrophysicsAstrophysics::Earth and Planetary AstrophysicsPhysics::GeophysicsAstrophysics::Cosmology and Extragalactic AstrophysicsPhysics::Chemical Physics
free text keywords: tidal flat, ecosystem model, nitrogen cycling, water quality purification capability
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Article . 2007
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