書誌事項
- タイトル別名
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- Distribution of the invasive ascidian <i>Ascidiella aspersa</i> (Müller, 1776) (Urochordata, Ascidiacea) in Hokkaido, Japan
- 北海道における外来種ヨーロッパザラボヤAscidiella aspersa (Muller, 1776)の分布状況
- ホッカイドウ ニ オケル ガイライシュ ヨーロッパザラボヤ Ascidiella aspersa (Muller, 1776)ノ ブンプ ジョウキョウ
- Distribution of the invasive ascidian <i>Ascidiella aspersa</i> (Müller, 1776) (Urochordata, Ascidiacea) in Hokkaido, Japan
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In 2008, the European invasive ascidian Ascidiella aspersa (Müller, 1776) was reported for the first time in Funka Bay, Hokkaido, Japan, and it has since caused serious damage to the cultured scallop industry in the bay. The distribution and abundance of A. aspersa were investigated in Hokkaido. Between 2010 and 2013, ascidians suspected to be A. aspersa were collected from 20 sites in Hokkaido and identified using internal morphological and follicle cell characteristics. In addition, the abundance of A. aspersa attached to cultured scallops was investigated at 10 stations near Funka Bay in October 2012 and 2013. A. aspersa was found on the Pacific coast, Sea of Japan coast, and in Tsugaru Strait, showing that it was widely distributed in Hokkaido in 2010. A. aspersa was found at all the stations near Funka Bay, and the number of A. aspersa on scallops was much greater inside the bay than outside of the bay. A. aspersa is known to occur in low-energy environments like estuaries, harbors, and semi-closed embayments. Its range expansion should be monitored and measures should be considered to limit its expansion.
収録刊行物
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- 日本ベントス学会誌
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日本ベントス学会誌 69 (1), 23-31, 2014
日本ベントス学会
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詳細情報 詳細情報について
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- CRID
- 1390001204473129216
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- NII論文ID
- 130004851553
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- NII書誌ID
- AA11376003
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- ISSN
- 1883891X
- 1345112X
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- NDL書誌ID
- 025695137
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可