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北海道大学水産科学研究彙報 = Bulletin of Fisheries Sciences, Hokkaido University >
第62巻 第1号 >

噴火湾における球形シャットネラChattonella globosa の初報告

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Title: 噴火湾における球形シャットネラChattonella globosa の初報告
Other Titles: First observation of Chattonella globosa in Funka Bay, Hokkaido, Japan
Authors: 夏池, 真史1 Browse this author
金森, 誠2 Browse this author
馬場, 勝寿3 Browse this author
山口, 篤4 Browse this author →KAKEN DB
今井, 一郎5 Browse this author →KAKEN DB
Authors(alt): Natsuike, Masafumi1
Kanamori, Makoto2
Baba, Katsuhisa3
Yamaguchi, Atsushi4
Imai, Ichiro5
Keywords: Chattonella globosa
Funka Bay
Red tide species
Seasonal distribution
Dictyocha fibula
Issue Date: 28-Mar-2012
Publisher: 北海道大学大学院水産科学研究院
Journal Title: 北海道大学水産科学研究彙報
Journal Title(alt): Bulletin of Fisheries Sciences, Hokkaido University
Volume: 62
Issue: 1
Start Page: 9
End Page: 13
Abstract: Chattonella globosa is known as a red tide species in western Japan from Kyushu, the Seto Inland Sea to Tokyo Bay, but the existence has been unknown in the northern Japan. This is the first report of the observation of occurrence of C. globosa from Funka Bay, in Hokkaido, Japan. Cells were globular and 33-42 μm in diameter with single flagellum, and sometimes performed “Amoeba-like movement”. We also studied the seasonal variation in density and distribution of C. globosa. This species was first detected in July 2011 and reached at maximum cell density of 2.6×10^4 cells L^-1 at the same time in the inner part of the bay. They widely distributed in the bay in August and decreased under detection level in November. The water temperature range was 14.0-23.2°C in Funka Bay when they were detected, indicating that the same occurrence temperature range as in the western part of Japan, such as the Seto Inland Sea. C. globosa is probably the important species as a primary producer as well as a possible red tide species in summer in Funka Bay, northern Japan.
Type: bulletin (article)
URI: http://hdl.handle.net/2115/49087
Appears in Collections:北海道大学水産科学研究彙報 = Bulletin of Fisheries Sciences, Hokkaido University > 第62巻 第1号

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