STUDY ON THE HABITAT OF <i>BATILLARIA MULTIFORMIS</i> IN INNER PART OF OSAKA BAY
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- OTANI Sosuke
- 大阪府立大学工業高等専門学校 都市環境コース
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- NOMOTO Ai
- 大阪府立大学工業高等専門学校専攻科 土木工学コース
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- KAMIMURA Satomi
- 大阪市立大学大学院 工学研究科
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- HIGASHI Kazuyuki
- 阿南工業高等専門学校技術部
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- KOZUKI Yasunori
- 徳島大学環境防災研究センター
Bibliographic Information
- Other Title
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- 大阪湾湾奥で再確認されたウミニナの生息環境に関する考察
- オオサカワンワン オク デ サイカクニン サレタ ウミニナ ノ セイソク カンキョウ ニ カンスル コウサツ
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Description
In recent years, Batillaria multiformis that is an endangered species was identified at the Omaehama in inner part of Osaka Bay. This purpose of research is to reveal the ecology and habitat of B. multiformis in sediment. We researched population density of B. multiformis and characteristics of sediment at Omaehama and 11 tidal flats in the Seto Inland Sea. The population density was 56-1307 ind./m2 at 11 investigaton tidal flats. Silt/clay and water content influenced habitat with/without of B. multiformis by decision tree. Furthermore, it was suggested that the algae biomass contributed to the shell length. Recruitment of B. multiformis in Omaehama in recent years is thought that several tidal flats in Osaka Bay is the source by the network functions and the existence of habitat.
Journal
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- Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering)
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Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering) 74 (2), I_504-I_509, 2018
Japan Society of Civil Engineers