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Mitsunori Iwataki
University of Tokyo
47Publications
16H-index
676Citations
Publications 47
Newest
2018 in Journal of OceanographyIF: 1.75
Minoru Wada3
Estimated H-index: 3
(Nagasaki University),
Yukiko Takano1
Estimated H-index: 1
(Nagasaki University)
+ 8 AuthorsSatoshi Takeshita9
Estimated H-index: 9
(Nagasaki University)
Acute and severe hypoxia associated with harmful algal bloom has become one of the major causes for the environmental deterioration of coastal areas. Although it is generally thought that a large part of the dissolved oxygen consumption at a bloom site is initiated by heterotrophic bacteria that attack organic matter derived from dead or dying algal cells, precise microbial processes leading to the hypoxia are yet to be examined. Here we show temporal dynamics of extracellular dissolved organic ...
1 Citations Source Cite
2018
Ken Furuya26
Estimated H-index: 26
(University of Tokyo),
Mitsunori Iwataki16
Estimated H-index: 16
(University of Tokyo)
+ 5 AuthorsYasuwo Fukuyo25
Estimated H-index: 25
(University of Tokyo)
Harmful algal blooms (HABs), contributing to both fisheries effects due to high-biomass algal blooms and shellfish or fish poisoning due to toxic algae, have long been reported in coastal waters of the Asian region, especially in East and Southeast Asia. HAB-related issues have continuously been of both social and economic concern. Although there have been continuous efforts to investigate various aspects of harmful algae, new records of fish mass mortality due to species previously undetected a...
4 Citations Source Cite
2017 in Phycological ResearchIF: 1.27
Machiko Yamada9
Estimated H-index: 9
(Fukuoka Women's University),
Mayuko Otsubo5
Estimated H-index: 5
(Fukuoka Women's University)
+ 4 AuthorsMitsunori Iwataki16
Estimated H-index: 16
(University of Tokyo)
SUMMARY Small subunit (SSU) and large subunit (LSU) rDNA sequences have been commonly used to delineate the taxonomy and biogeography of the planktonic diatom genus Skeletonema, but the genes occur as multiple copies and are therefore not suitable for barcoding purposes. Here, we analyzed phylogenetic relationships of Skeletonema using the mitochondrial-encoded cytochrome c oxidase I gene (cox1), as well as partial LSU rDNA (D1–D3) and SSU rDNA, to identify the factors that define species and to...
2 Citations Source Cite
2017 in Journal of PhycologyIF: 3.00
Kazuya Takahashi9
Estimated H-index: 9
(University of Tokyo),
Øjvind Moestrup40
Estimated H-index: 40
(University of Copenhagen)
+ 5 AuthorsS. Lin
Source Cite
2016 in Fisheries ScienceIF: 0.79
Minoru Wada3
Estimated H-index: 3
(Nagasaki University),
Fumiaki Mori1
Estimated H-index: 1
(Nagasaki University)
+ 9 AuthorsToan Thanh Vo1
Estimated H-index: 1
(Can Tho University)
Aquaculture of the mudskipper Pseudapocryptes elongatus has expanded rapidly over the past 10 years in the provinces of the Mekong Delta of southern Vietnam. The fish’s capacity for aerial breathing enables its farming in earthen ponds with no aeration or little water exchange. We compared the composition and abundance of algal and bacterial cells, the rates of oxygen consumption by microorganisms, and daily fluctuations in dissolved oxygen (DO) concentration in fish aquaculture ponds, and compa...
2 Citations Source Cite
Kentaro Ando , Mitsunori Iwataki16
Estimated H-index: 16
(University of Tokyo)
+ 10 AuthorsYasuwo Fukuyo25
Estimated H-index: 25
(University of Tokyo)
Source Cite
Hong Chang Lim8
Estimated H-index: 8
(Universiti Malaysia Sarawak),
Sing Tung Teng9
Estimated H-index: 9
(Universiti Malaysia Sarawak)
+ 2 AuthorsPo Teen Lim16
Estimated H-index: 16
Merambong Shoal of the Tebrau Straits is an importantseagrass bed and feeding ground to the marine mammal, Dugongdugon. The area is exposed to greater environmental pressures due tocoastal development in recent years. Phytoplankton composition ofthe Merambong Shoal was assessed in this study based on the samplescollected during the JSPS-Malaysia Joint Expedition in July 2012.A total of 30 genera of micro-phytoplankton were documented, withfive and twenty five genera of dinoflagellates and diatom...
1 Citations Source
2015 in ProtistIF: 2.70
Kazuya Takahashi9
Estimated H-index: 9
(Yamagata University),
Øjvind Moestrup40
Estimated H-index: 40
(University of Copenhagen)
+ 1 AuthorsMitsunori Iwataki16
Estimated H-index: 16
(University of Tokyo)
Two new woloszynskioid dinoflagellates, Asulcocephalium miricentonis gen. et sp. nov. and Leiocephalium pseudosanguineum gen. et sp. nov., are described from Japanese freshwater ponds on the basis of bright field and fluorescence light microscopy, scanning and transmission electron microscopy, and molecular phylogeny inferred from rDNA sequences. Asulcocephalium miricentonis has a spherical anterior nucleus and chloroplast with a pyrenoid penetrated by the cytoplasm. This species has 9–12 latitu...
8 Citations Source Cite
2015
Mitsunori Iwataki16
Estimated H-index: 16
(University of Tokyo),
Haruyoshi Takayama8
Estimated H-index: 8
+ 1 AuthorsKazumi Matsuoka25
Estimated H-index: 25
(Nagasaki University)
Red tides of the unarmored dinoflagellate Cochlodinium polykrikoides and related chain-forming Cochlodinium species have been responsible for the mass mortality of fish in coastal areas of East Asia, and in Central and North America over the past few decades. Since 2000, C. polykrikoides has been reported for the first time from Southeast Asia, India, the Middle East and the Mediterranean, so its distribution has seemingly expanded. Recent molecular phylogenetic works have detected intraspecific...
2 Citations Source Cite
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