W. Doi, Akira Mizutani, Masato Yoshioka, K. Kawai, H. Kohno
{"title":"Aspects of local population and gastropod shell use of the land hermit crab Coenobita brevimanus (Decapoda: Anomura) in Amitori, an abandoned village on Iriomote Island, Japan","authors":"W. Doi, Akira Mizutani, Masato Yoshioka, K. Kawai, H. Kohno","doi":"10.5179/BENTHOS.73.75","DOIUrl":"https://doi.org/10.5179/BENTHOS.73.75","url":null,"abstract":"","PeriodicalId":325376,"journal":{"name":"Japanese Journal of Benthology","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122548766","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The drainage from Isahaya Bay reservoir has further adverse effects on the damaged ecosystem of Ariake Sound","authors":"Tohru Takahashi","doi":"10.5179/BENTHOS.73.123","DOIUrl":"https://doi.org/10.5179/BENTHOS.73.123","url":null,"abstract":"","PeriodicalId":325376,"journal":{"name":"Japanese Journal of Benthology","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127709747","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. Matsumasa, Tohru Takahashi, G. Kanaya, Taeko Kimura, R. Orita, Shinichi Sato
{"title":"An opinion survey of members of a mailing list ’benthos’ about the present state of Isahaya Bay with a questionnaire method: The background and an outline","authors":"M. Matsumasa, Tohru Takahashi, G. Kanaya, Taeko Kimura, R. Orita, Shinichi Sato","doi":"10.5179/BENTHOS.73.131","DOIUrl":"https://doi.org/10.5179/BENTHOS.73.131","url":null,"abstract":"","PeriodicalId":325376,"journal":{"name":"Japanese Journal of Benthology","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114074212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
H. Hamaoka, D. Ikeda, R. Ishimoto, Hiroyuki Handa, Tomonori Sato
: Between 2011 and 2017, we studied the effects of habitat characteristics on the abundance of the Japanese abalone （ Haliotis discus discus ） on the coast of Sado Island, Niigata, Japan. Subtidal areas （ depth, 1–7 m ） along the island were evaluated using quadrat surveys performed by scuba divers. The habitat characteristics （ water depth, percent macroalgal cover, number of macroalgal species, and percent boulder cover ） were recorded within each quadrat, along with the number and size of the abalones. Nonlinear models of the habitat characteristic data revealed differences in the habitat characteristics that affected the abundance of large （ ≥90 mm ） and small （＜ 90 mm ） abalones. The large abalones were more prevalent between 3 and 5 m, and their abundance increased as the macroalgal cover decreased. Alternatively, most small abalones inhab-ited areas covered up to 40 ％ by macroalgae. These results suggest that Japanese abalones ontogenetically shift their habitat requirement and thereby contribute to the restoration of their habitats in coastal areas.
{"title":"Factors affecting the habitat of Haliotis discus discus on the coast of Sado Island, Niigata, Japan","authors":"H. Hamaoka, D. Ikeda, R. Ishimoto, Hiroyuki Handa, Tomonori Sato","doi":"10.5179/BENTHOS.73.102","DOIUrl":"https://doi.org/10.5179/BENTHOS.73.102","url":null,"abstract":": Between 2011 and 2017, we studied the effects of habitat characteristics on the abundance of the Japanese abalone （ Haliotis discus discus ） on the coast of Sado Island, Niigata, Japan. Subtidal areas （ depth, 1–7 m ） along the island were evaluated using quadrat surveys performed by scuba divers. The habitat characteristics （ water depth, percent macroalgal cover, number of macroalgal species, and percent boulder cover ） were recorded within each quadrat, along with the number and size of the abalones. Nonlinear models of the habitat characteristic data revealed differences in the habitat characteristics that affected the abundance of large （ ≥90 mm ） and small （＜ 90 mm ） abalones. The large abalones were more prevalent between 3 and 5 m, and their abundance increased as the macroalgal cover decreased. Alternatively, most small abalones inhab-ited areas covered up to 40 ％ by macroalgae. These results suggest that Japanese abalones ontogenetically shift their habitat requirement and thereby contribute to the restoration of their habitats in coastal areas.","PeriodicalId":325376,"journal":{"name":"Japanese Journal of Benthology","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130653239","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Faunal change of macrobenthos in Ariake Sea during 20 years after the construction of dike for the Isahaya Reclamation Project","authors":"Shin’ichi Sato, M. Azuma","doi":"10.5179/BENTHOS.73.120","DOIUrl":"https://doi.org/10.5179/BENTHOS.73.120","url":null,"abstract":"","PeriodicalId":325376,"journal":{"name":"Japanese Journal of Benthology","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123740106","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Shin’ichi Sato, Taeko Kimura, G. Kanaya, M. Matsumasa
{"title":"The conservation issues of coastal environments in Japan (III): The present status and future of Ariake Sea","authors":"Shin’ichi Sato, Taeko Kimura, G. Kanaya, M. Matsumasa","doi":"10.5179/BENTHOS.73.119","DOIUrl":"https://doi.org/10.5179/BENTHOS.73.119","url":null,"abstract":"","PeriodicalId":325376,"journal":{"name":"Japanese Journal of Benthology","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115507609","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
G. Kanaya, M. Taru, Takeshi Yuhara, Tomoo Unagami, O. Miura, Shizuko Nakai, H. Itoh, Takao Suzuki
{"title":"Macrozoobenthos of the Samegawa River (Iwaki, Fukushima Prefecture) and the Momiya River (Hitachi, Ibaraki Prefecture) tidalflats, Japan: Diversity shifts following the 2011 earthquake and effects of ongoing restoration works","authors":"G. Kanaya, M. Taru, Takeshi Yuhara, Tomoo Unagami, O. Miura, Shizuko Nakai, H. Itoh, Takao Suzuki","doi":"10.5179/BENTHOS.73.84","DOIUrl":"https://doi.org/10.5179/BENTHOS.73.84","url":null,"abstract":"","PeriodicalId":325376,"journal":{"name":"Japanese Journal of Benthology","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116126242","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A relationship between the mechanisms of the environmental crisis in the inner part of Ariake Bay and the reclamation project of the tidal flats conducted in Isahaya Bay","authors":"H. Tsutsumi","doi":"10.5179/BENTHOS.73.128","DOIUrl":"https://doi.org/10.5179/BENTHOS.73.128","url":null,"abstract":"","PeriodicalId":325376,"journal":{"name":"Japanese Journal of Benthology","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121793970","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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