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Responses of Lower Trophic-level Organisms to Typhoon Passage on the Outer Shelf of the East China Sea: an Incubation Experiment : Volume 10, Issue 4 (10/04/2013)

By Yasuki, N.

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Book Id: WPLBN0004004488
Format Type: PDF Article :
File Size: Pages 31
Reproduction Date: 2015

Title: Responses of Lower Trophic-level Organisms to Typhoon Passage on the Outer Shelf of the East China Sea: an Incubation Experiment : Volume 10, Issue 4 (10/04/2013)  
Author: Yasuki, N.
Volume: Vol. 10, Issue 4
Language: English
Subject: Science, Biogeosciences, Discussions
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Publication Date:
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications


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Tsuda, A., Suzuki, K., & Yasuki, N. (2013). Responses of Lower Trophic-level Organisms to Typhoon Passage on the Outer Shelf of the East China Sea: an Incubation Experiment : Volume 10, Issue 4 (10/04/2013). Retrieved from

Description: Atmosphere and Ocean Research Institute, University of Tokyo, Kashiwa, Chiba, Japan. Typhoons can induce vertical mixing, upwelling, or both in the water column due to strong wind stress. These events can induce phytoplankton blooms in the oligotrophic ocean after typhoon passage. However, little is known about the responses of lower trophic-level organisms or changes in the community structure following the passage of typhoons, particularly in offshore regions. Therefore, we evaluated community succession on the outer shelf of the East China Sea through on-deck bottle incubation experiments simulating hydrographic conditions after the passage of a typhoon. Under all of the experimental conditions we tested, chlorophyll a concentrations increased more than 9-fold within 6 days, and these algal cells were mainly composed of large diatoms (>10 Μm). Ciliates also increased along with the diatom bloom. These results suggest that increases in diatom and ciliate populations may enhance biogenic carbon export in the water column. Typhoons can affect not only phytoplankton productivity, but also the composition of lower trophic-level organisms and biogeochemical processes in oligotrophic offshore regions.

Responses of lower trophic-level organisms to typhoon passage on the outer shelf of the East China Sea: an incubation experiment

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