Plankton and Benthos Research最新文献

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A species-specific qPCR method to detect the giant jellyfish <i>Nemopilema nomurai</i> from environmental DNA 一种从环境DNA中检测巨型水母&lt;i&gt;Nemopilema nomurai&lt;/i&gt
Plankton and Benthos Research Pub Date : 2025-08-25 DOI: 10.3800/pbr.20.226
Misato Nakae, Junya Hirai, Toru Hasegawa, Akane Iida, Naoki Iguchi, Kay Sakuma
{"title":"A species-specific qPCR method to detect the giant jellyfish &lt;i&gt;Nemopilema nomurai&lt;/i&gt; from environmental DNA","authors":"Misato Nakae, Junya Hirai, Toru Hasegawa, Akane Iida, Naoki Iguchi, Kay Sakuma","doi":"10.3800/pbr.20.226","DOIUrl":"https://doi.org/10.3800/pbr.20.226","url":null,"abstract":"The massive outbreaks of the giant jellyfish Nemopilema nomurai have caused serious problems in fisheries, and monitoring its distribution is necessary to predict its occurrence around Japan. In this study, we designed a primer/probe set of mitochondrial 16S for species-specific qPCR to detect N. nomurai. The utility of qPCR using environmental DNA (eDNA) was compared with conventional approaches (sight survey and net collection) in the Sea of Japan and the East China Sea in 2021–2023. The newly developed qPCR method showed an average 98.9% PCR efficiency (r2=0.9992). In the East China Sea, the highest copy numbers of the species were observed at stations using conventional methods to detect the maximum number of N. nomurai. The qPCR method also detected N. nomurai at stations that reported no observations using conventional methods in both sampling areas. Possible DNA degradation was observed in eDNA samples from the Sea of Japan in 2021, and the qPCR method detected N. nomurai at only a subset of the stations that reported the species using conventional methods. These results indicate that qPCR using eDNA can be an effective monitoring tool for N. nomurai; however, eDNA should be properly preserved and analyzed immediately to prevent its underestimation.","PeriodicalId":515348,"journal":{"name":"Plankton and Benthos Research","volume":"20 3","pages":"226-230"},"PeriodicalIF":0.0,"publicationDate":"2025-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.jstage.jst.go.jp/article/pbr/20/3/20_P200301/_pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147898724","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A discovery of the northernmost population of the giant mangrove whelk Terebralia palustris (Mollusca: Gastropoda: Potamididae) on Zamami Island and its genetic variability 在扎马米岛发现巨型红树螺 Terebralia palustris(软体动物门:腹足纲:钵形目)的最北种群及其遗传变异性
Plankton and Benthos Research Pub Date : 2024-02-28 DOI: 10.3800/pbr.19.60
Kohei Hamamoto, Akira Iguchi, Kodai Gibu, Hiroyuki Ozawa, Y. Fujita
{"title":"A discovery of the northernmost population of the giant mangrove whelk Terebralia palustris (Mollusca: Gastropoda: Potamididae) on Zamami Island and its genetic variability","authors":"Kohei Hamamoto, Akira Iguchi, Kodai Gibu, Hiroyuki Ozawa, Y. Fujita","doi":"10.3800/pbr.19.60","DOIUrl":"https://doi.org/10.3800/pbr.19.60","url":null,"abstract":"","PeriodicalId":515348,"journal":{"name":"Plankton and Benthos Research","volume":"64 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140418247","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
Observation of a coccolithophore Gephyrocapsa oceanica bloom in the temperate coastal waters of Sagami Bay, Japan 日本相模湾温带沿岸水域藻华的观测结果
Plankton and Benthos Research Pub Date : 2024-02-28 DOI: 10.3800/pbr.19.37
Koichi Yano, Yoshiki Takayama, Shinji Shimode, M. Toratani, Hiroshi Murakami, Victor S. Kuwahara
{"title":"Observation of a coccolithophore Gephyrocapsa oceanica bloom in the temperate coastal waters of Sagami Bay, Japan","authors":"Koichi Yano, Yoshiki Takayama, Shinji Shimode, M. Toratani, Hiroshi Murakami, Victor S. Kuwahara","doi":"10.3800/pbr.19.37","DOIUrl":"https://doi.org/10.3800/pbr.19.37","url":null,"abstract":"","PeriodicalId":515348,"journal":{"name":"Plankton and Benthos Research","volume":"74 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140422943","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
A new species of Amphictene (Annelida, Polychaeta, Pectinariidae) from off Kushiro, Hokkaido, Japan 来自日本北海道钏路近海的一种新的栉水母(Annelida, Polychaeta, Pectinariidae)。
Plankton and Benthos Research Pub Date : 2024-02-28 DOI: 10.3800/pbr.19.51
E. Nishi, Shinri Tomioka, Naoto Jimi, Yoshihiro Fujiwara, Elena K. Kupriyanova
{"title":"A new species of Amphictene (Annelida, Polychaeta, Pectinariidae) from off Kushiro, Hokkaido, Japan","authors":"E. Nishi, Shinri Tomioka, Naoto Jimi, Yoshihiro Fujiwara, Elena K. Kupriyanova","doi":"10.3800/pbr.19.51","DOIUrl":"https://doi.org/10.3800/pbr.19.51","url":null,"abstract":"","PeriodicalId":515348,"journal":{"name":"Plankton and Benthos Research","volume":"60 8","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140419717","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
Marine macroinvertebrate fauna of the shallow coastal waters of the Shiretoko Peninsula, a World Natural Heritage at Hokkaido, Japan 日本北海道世界自然遗产知床半岛浅海沿岸水域的海洋大型无脊椎动物群
Plankton and Benthos Research Pub Date : 2024-02-28 DOI: 10.3800/pbr.19.1
Takeshi Sonoda, Susumu Chiba, Tomoyasu Yamazaki, Takahiro Nobetsu, Hideaki Fujiya, Tomoyuki Komai, Noboru Nunomura, Michitaka Shimomura, Ko Tomikawa, K. Kakui, Takashi Hosono, Atsushi Ito, Toshihiko Fujita, Itaru Kobayashi, S. Goshima
{"title":"Marine macroinvertebrate fauna of the shallow coastal waters of the Shiretoko Peninsula, a World Natural Heritage at Hokkaido, Japan","authors":"Takeshi Sonoda, Susumu Chiba, Tomoyasu Yamazaki, Takahiro Nobetsu, Hideaki Fujiya, Tomoyuki Komai, Noboru Nunomura, Michitaka Shimomura, Ko Tomikawa, K. Kakui, Takashi Hosono, Atsushi Ito, Toshihiko Fujita, Itaru Kobayashi, S. Goshima","doi":"10.3800/pbr.19.1","DOIUrl":"https://doi.org/10.3800/pbr.19.1","url":null,"abstract":"","PeriodicalId":515348,"journal":{"name":"Plankton and Benthos Research","volume":"43 22","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140419240","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
Mass recruitment of the lancelet Branchiostoma japonicum at a sandbank in the western Seto Inland Sea in 2002 and subsequent age structure of the population 2002 年濑户内海西部一个沙洲上的日本长尾鳕的大量繁殖及其后的种群年龄结构
Plankton and Benthos Research Pub Date : 2024-02-28 DOI: 10.3800/pbr.19.17
Hiroshi Ueda, Kanako Sakaki, Hideyuki Kamakura
{"title":"Mass recruitment of the lancelet Branchiostoma japonicum at a sandbank in the western Seto Inland Sea in 2002 and subsequent age structure of the population","authors":"Hiroshi Ueda, Kanako Sakaki, Hideyuki Kamakura","doi":"10.3800/pbr.19.17","DOIUrl":"https://doi.org/10.3800/pbr.19.17","url":null,"abstract":"","PeriodicalId":515348,"journal":{"name":"Plankton and Benthos Research","volume":"113 18","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140422409","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
Spatial and temporal variations in community structure, standing stock and productivity of mesozooplankton in the southwestern Japan Sea 日本海西南部中生浮游生物群落结构、常量和生产力的时空变化
Plankton and Benthos Research Pub Date : 2024-02-28 DOI: 10.3800/pbr.19.26
Toru Kobari, Taiga Honma, Masafumi Kodama, Akinobu Kodama, Toshiteru Watanabe, Tetsutaro Takikawa
{"title":"Spatial and temporal variations in community structure, standing stock and productivity of mesozooplankton in the southwestern Japan Sea","authors":"Toru Kobari, Taiga Honma, Masafumi Kodama, Akinobu Kodama, Toshiteru Watanabe, Tetsutaro Takikawa","doi":"10.3800/pbr.19.26","DOIUrl":"https://doi.org/10.3800/pbr.19.26","url":null,"abstract":"","PeriodicalId":515348,"journal":{"name":"Plankton and Benthos Research","volume":"100 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140423734","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
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