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Japanese Journal of Benthology最新文献

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Occurrence of Chironomid larvae (Insecta: Chironomidae) in sediments of the Isahaya Bay reservoir from 1998 to 2018 1998 - 2018年依沙崖湾水库沉积物中手摇蝇幼虫(昆虫纲:手摇蝇科)的发生
Japanese Journal of Benthology Pub Date : 2020-03-31 DOI: 10.5179/benthos.74.109
S. Kondo, Hiroshi Momoshita, Shin’ichi Sato, M. Azuma
{"title":"Occurrence of Chironomid larvae (Insecta: Chironomidae) in sediments of the Isahaya Bay reservoir from 1998 to 2018","authors":"S. Kondo, Hiroshi Momoshita, Shin’ichi Sato, M. Azuma","doi":"10.5179/benthos.74.109","DOIUrl":"https://doi.org/10.5179/benthos.74.109","url":null,"abstract":"Eleven genera of chironomid larvae were identified in sediments of the Isahaya Bay reservoir in western Kyushu, Japan from 1998 to 2018. Since 2005, the dominant genera collected at designated sampling sites were Chironomus and Microchironomus. Larval densities of these two genera were highest in 2011 and 2012. Consequently, adult emergence was also highest in these years. Increased reproduction in these two genera is a result of eutrophication, silty sediment deposition, and algal bloom in the reservoir.","PeriodicalId":325376,"journal":{"name":"Japanese Journal of Benthology","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122511192","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}
引用次数: 0
The 4th Asian Marine Biology Symposium 第四届亚洲海洋生物学研讨会
Japanese Journal of Benthology Pub Date : 2020-03-31 DOI: 10.5179/benthos.74.142
{"title":"The 4th Asian Marine Biology Symposium","authors":"","doi":"10.5179/benthos.74.142","DOIUrl":"https://doi.org/10.5179/benthos.74.142","url":null,"abstract":"","PeriodicalId":325376,"journal":{"name":"Japanese Journal of Benthology","volume":"97 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127734328","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}
引用次数: 0
Temporal changes in benthic amphipod assemblages in the central part of the Ariake Sea during the five years following the dike closure in Isahaya Bay, Japan 有明海中部底栖片足类动物群落在日本依沙屋湾堤防关闭后的五年间的时间变化
Japanese Journal of Benthology Pub Date : 2020-03-31 DOI: 10.5179/benthos.74.100
Sudo Hiroyuki, Matsuo Masatoshi, Sato Shin'ichi, Azuma Mikio
{"title":"Temporal changes in benthic amphipod assemblages in the central part of the Ariake Sea during the five years following the dike closure in Isahaya Bay, Japan","authors":"Sudo Hiroyuki, Matsuo Masatoshi, Sato Shin'ichi, Azuma Mikio","doi":"10.5179/benthos.74.100","DOIUrl":"https://doi.org/10.5179/benthos.74.100","url":null,"abstract":": Temporal changes in benthic amphipod assemblages after the dike closure in Isahaya Bay were investigated using amphipod samples collected from the central part of the Ariake Sea between 1997 and 2002. Amphipod densities decreased ev-ery year from June 1997 （ 5,207 ind. m − 2 ） to June 2001 （ 413 ind. m − 2 ） but increased abruptly in June 2002 （ 22,944 ind. m − 2 ） . Non-metric multidimensional scaling （ nMDS ） ordination of sampling occasions showed that amphipod assemblages were divided into three groups （ A: June 1997 and June 2002; B: November 1998, June 1999 and June 2000; C: November 2000, June 2001 and November 2001 ） . Group A was dominated by species of Corophiidae and Photidae, and group B and C were dominated by species of Ampeliscidae. In terms of total amphipod density, the order was as follows: group A ＞ group B ＞ group C. These differences among groups A–C indicate that corophiid and photid species contribute significantly to the fluc-tuation of amphipod density and assemblages in the central part of the Ariake Sea. In fact, an explosion of the amphipod density that occurred in June 2002 was attributed to rapid increases in the populations of Crassicorophium sp. A, Crassicorophium crassicorne and Photis reinhardi . Judging from the changes in the bottom sediment grain size, we conclude that the grain-size reduction on the east side of the study area led to a rapid increase in the density of these opportunistic species.","PeriodicalId":325376,"journal":{"name":"Japanese Journal of Benthology","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133713199","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}
引用次数: 0
Life history and population dynamics of brackish water clam, Corbicula japonica, occurring in the Kikuchi River estuary 菊地河河口咸淡水蛤的生活史及种群动态
Japanese Journal of Benthology Pub Date : 2019-08-31 DOI: 10.5179/benthos.74.1
H. Tsutsumi, Misato Tsuji, Tomo Tateishi, Tomohiro Komorita
{"title":"Life history and population dynamics of brackish water clam, Corbicula japonica, occurring in the Kikuchi River estuary","authors":"H. Tsutsumi, Misato Tsuji, Tomo Tateishi, Tomohiro Komorita","doi":"10.5179/benthos.74.1","DOIUrl":"https://doi.org/10.5179/benthos.74.1","url":null,"abstract":"","PeriodicalId":325376,"journal":{"name":"Japanese Journal of Benthology","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125948420","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}
引用次数: 0
Twenty years after the shut-off of Isahaya Bay, the present status and future of Ariake Sea 有明海关闭二十年后的现状与未来
Japanese Journal of Benthology Pub Date : 2019-08-31 DOI: 10.5179/benthos.74.41
Shin’ichi Sato, R. Orita, A. Yamakawa, H. Abe, M. Matsumasa
{"title":"Twenty years after the shut-off of Isahaya Bay, the present status and future of Ariake Sea","authors":"Shin’ichi Sato, R. Orita, A. Yamakawa, H. Abe, M. Matsumasa","doi":"10.5179/benthos.74.41","DOIUrl":"https://doi.org/10.5179/benthos.74.41","url":null,"abstract":"日本ベントス学会自然環境保全委員会 佐藤慎一 *・折田 亮 ・山川彩子 ・阿部博和 ・松政正俊 4) 静岡大学理学部地球科学科.〒422–8529 静岡市駿河区大谷 836 佐賀大学農学部生物資源科学科.〒840–8502 佐賀県佐賀市本庄町 1 沖縄国際大学地域環境政策学科.〒901–2701 沖縄県宜野湾市宜野湾 2–6–1 岩手医科大学全学教育推進機構・教養教育センター.〒028–3694 岩手県紫波郡矢巾町医大通り 1–1–1 The Nature Conservation Committee, Japanese Association of Benthology̶ Shin’ichi SATO*, Ryo ORITA, Ayako YAMAKAWA, Hirokazu ABE and Masatoshi MATSUMASA I nstitute of Geosciences, Shizuoka University, 836 Oya, Shizuoka 422–8529, Japan 2) Faculty of Agriculture, Saga University, Saga 840–8502, Japan 3) Okinawa International University, 2–6–1 Ginowan, Ginowan City, Okinawa 901–2701, Japan 4) Department of Biology, Center for Liberal Arts & Sciences, Iwate Medical University, Idaidori 1–1–1, Yahaba-cho, Shiwa-gun, Iwate 028–3694, Japan","PeriodicalId":325376,"journal":{"name":"Japanese Journal of Benthology","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132050414","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}
引用次数: 0
Distribution and habitat of the Japan-endemic crab, Pseudopinnixa carinata(Crustacea: Decapoda: Varunidae), including its new records from Yamaguchi and Kochi Prefecture 日本特有蟹(甲壳纲:十足目:蟹科)的分布和生境，包括山口县和高知县的新记录
Japanese Journal of Benthology Pub Date : 2019-08-31 DOI: 10.5179/benthos.74.35
Yumi Henmi, Y. Shiozaki, Luna Yamamori, G. Itani
{"title":"Distribution and habitat of the Japan-endemic crab, Pseudopinnixa carinata(Crustacea: Decapoda: Varunidae), including its new records from Yamaguchi and Kochi Prefecture","authors":"Yumi Henmi, Y. Shiozaki, Luna Yamamori, G. Itani","doi":"10.5179/benthos.74.35","DOIUrl":"https://doi.org/10.5179/benthos.74.35","url":null,"abstract":"","PeriodicalId":325376,"journal":{"name":"Japanese Journal of Benthology","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116134328","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}
引用次数: 0
Effect of hypoxic water mass in summer on the distribution of ark shells, Anadara kagoshimensis, in Lake Nakaumi, Japan 夏季低氧水体对日本中见湖鹿儿岛斑贝分布的影响
Japanese Journal of Benthology Pub Date : 2019-08-31 DOI: 10.5179/benthos.74.16
H. Hirakiuchi, Tadashi Sasaki, Hitoshi Semura, T. Mukai, K. Sota
{"title":"Effect of hypoxic water mass in summer on the distribution of ark shells, Anadara kagoshimensis, in Lake Nakaumi, Japan","authors":"H. Hirakiuchi, Tadashi Sasaki, Hitoshi Semura, T. Mukai, K. Sota","doi":"10.5179/benthos.74.16","DOIUrl":"https://doi.org/10.5179/benthos.74.16","url":null,"abstract":"","PeriodicalId":325376,"journal":{"name":"Japanese Journal of Benthology","volume":"90 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132711579","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}
引用次数: 0
Interannual changes in the oligochaete communities in the reservoir pond of Isahaya Bay in the Ariake Sea, Kyushu, since shut of the floodgate 九州有明海依沙雅湾水库池中寡毛藻群落的年际变化
Japanese Journal of Benthology Pub Date : 2019-08-31 DOI: 10.5179/benthos.74.75
A. Ohtaka, Shin’ichi Sato, M. Azuma
{"title":"Interannual changes in the oligochaete communities in the reservoir pond of Isahaya Bay in the Ariake Sea, Kyushu, since shut of the floodgate","authors":"A. Ohtaka, Shin’ichi Sato, M. Azuma","doi":"10.5179/benthos.74.75","DOIUrl":"https://doi.org/10.5179/benthos.74.75","url":null,"abstract":"Species composition of aquatic oligochaetes was studied almost annually in the reservoir pond of Isahaya Bay in the Ariake Sea, Kyushu, Japan, starting after the closing of the floodgate in 1997 until 2018. Ten species all belonging to the family Naididae were recorded in the reservoir pond during the study period. Short after the closing of the floodgate, oligochaete species composition changed drastically from an epibenthos-dominated to a burrowing-dominated community. The change could be partly caused by eutrophication and mud sedimentation in the bottom. The present oligochaete community in the pond is composed of a small number of freshwater thermophile species with salinity and low-oxygen resistance, with Limnodrilus hoffmeisteri surpassing the others. A brackish limnodriloidine Doliodrilus tener, which became abundant soon after opening the floodgate in 2002, is newly recorded in Japan and re-described based on the specimens from the reservoir pond.","PeriodicalId":325376,"journal":{"name":"Japanese Journal of Benthology","volume":"97 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123409632","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}
引用次数: 0
Influence of Asari clam (Ruditapes philippinarum) abundance increase caused by cover-net on the nematode assemblages on a tidal flat 盖网导致沙蛤丰度增加对潮滩线虫群落的影响
Japanese Journal of Benthology Pub Date : 2019-08-31 DOI: 10.5179/benthos.74.25
M. Tsujino, T. Shigeta
{"title":"Influence of Asari clam (Ruditapes philippinarum) abundance increase caused by cover-net on the nematode assemblages on a tidal flat","authors":"M. Tsujino, T. Shigeta","doi":"10.5179/benthos.74.25","DOIUrl":"https://doi.org/10.5179/benthos.74.25","url":null,"abstract":": Macrobenthos including Asari clam （ Ruditapes philippinarum ） and meiobenthos inside and outside of cover-nets on the Minami tidal flat, Yamaguchi Bay were examined to study the effect of the nets on the benthos. Cover-net （ 5 × 7 m, 9 mm mesh size ） have remained for five–seven years to protect from predation by fishes. The density of R. philippinarum and gastropods in the cover-net area were higher than those outside of the cover-net area. The density of nematodes in the cover-net was higher than outside area. Considering three sizes of nematodes （ 63–125, 125–250, and ≧ 250 μ m ）， the percentage of the smaller size increased in the cover-net area, and the percentage of the large size tended to be low. The nem atode family composition in the cover-net area differed from that in the outside area. The nematode density of Xyalidae, Comesomatidae and Oncholaimidae in the cover-net increased. The percentage of 1B nematode feeding type （ non-selective deposit feeder ） in the cover-net area was higher than outside area. This suggests that the cover-net not only affects the densi ty of R.","PeriodicalId":325376,"journal":{"name":"Japanese Journal of Benthology","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127258643","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}
引用次数: 1
First record of tropical sea urchin Echinometra sp. C from Honshu, Japan 日本本州岛热带海胆Echinometra sp. C首次记录
Japanese Journal of Benthology Pub Date : 2019-03-31 DOI: 10.5179/BENTHOS.73.109
T. Nakano, M. Kawamura, Takashi P. Satoh
{"title":"First record of tropical sea urchin Echinometra sp. C from Honshu, Japan","authors":"T. Nakano, M. Kawamura, Takashi P. Satoh","doi":"10.5179/BENTHOS.73.109","DOIUrl":"https://doi.org/10.5179/BENTHOS.73.109","url":null,"abstract":"","PeriodicalId":325376,"journal":{"name":"Japanese Journal of Benthology","volume":"78 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":"114785794","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}
引用次数: 2
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