Ryoko Segawa

610 citations

14 papers · 530 indexed · h-index 10

Co-authors: Ikuo Hayashi Tadashi Aotsuka Satoshi Kojima Jun Hashimoto S. Ohta Soichi Kojima Shigeaki Kojima Shin‐ichi Yokobori
Topics: Marine Biology and Ecology Research (7 papers)Crustacean biology and ecology (4 papers)Genetic diversity and population structure (4 papers)
Cited by: Oceanography Ecology Global and Planetary Change
Journals: Genetics Gene Marine Ecology Progress Series
Partner nations: Japan Puerto Rico Singapore

In The Last Decade

Ryoko Segawa

14 papers receiving 514 citations

Peers

Countries citing papers authored by Ryoko Segawa

Since Specialization

Citations

This map shows the geographic impact of Ryoko Segawa's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Ryoko Segawa with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ryoko Segawa more than expected).

Fields of papers citing papers by Ryoko Segawa

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ryoko Segawa. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Ryoko Segawa. The network helps show where Ryoko Segawa may publish in the future.

Co-authorship network of co-authors of Ryoko Segawa

This figure shows the co-authorship network connecting the top 25 collaborators of Ryoko Segawa. A scholar is included among the top collaborators of Ryoko Segawa based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Ryoko Segawa. Ryoko Segawa is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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14 of 14 papers shown

#	Work	Indexed citations
1	DNA Barcoding and Molecular Phylogeny ofDrosophila liniand Its Sibling Species 2012 ·PubMed ·Yifeng Li,Shuo‐Yang Wen,Kuniko Kawai,Jian‐Jun Gao,(unknown),Ryoko Segawa,Masanori J. Toda	3
2	The evolution of euhermaphroditism in caridean shrimps: a molecular perspective of sexual systems and systematics 2010 ·BMC Evolutionary Biology ·(unknown),Andrew L. Rhyne,Ryoko Segawa,Tadashi Aotsuka,Nikolaos V. Schizas	27
3	Limited Overwater Dispersal and Genetic Differentiation of the Snake-Eyed Skink (Cryptoblepharus nigropunctatus) in the Oceanic Ogasawara Islands, Japan 2009 ·ZOOLOGICAL SCIENCE ·Fumio Hayashi,(unknown),(unknown),Kazuto Kawakami,Ryoko Segawa,Tadashi Aotsuka,Tadashi Suzuki	6
4	Two new species of freshwater crab (Crustacea: Decapoda: Potamidae) from Tokashiki Island, central Ryukyu Islands, Japan 2007 ·Systematics and Biodiversity ·Tohru Naruse,Ryoko Segawa,Tadashi Aotsuka	3
5	The mitochondrial genome of the Japanese freshwater crab, Geothelphusa dehaani (Crustacea: Brachyura): Evidence for its evolution via gene duplication 2005 ·Gene ·Ryoko Segawa,Tadashi Aotsuka	60
6	Amamiku, a new genus for the true freshwater crab, Candidiopotamon amamense Minei, 1973 (Decapoda: Brachyura: Potamidae), from the Central Ryukyu Islands, Japan 2004 ·Zootaxa ·Tohru Naruse,Ryoko Segawa,Shigemitsu Shokita	6
7	Phylogeny of Hydrothermal-Vent–Endemic Gastropods Alviniconcha spp. from the Western Pacific Revealed by Mitochondrial DNA Sequences 2001 ·Biological Bulletin ·Soichi Kojima,Ryoko Segawa,(unknown),Katsunori Fujikura,S. Ohta,Jun Hashimoto	39
8	Phylogeography of a deep-sea demersal fish, Bothrocara hollandi, in the Japan Sea 2001 ·Marine Ecology Progress Series ·Satoshi Kojima,Ryoko Segawa,Ikuo Hayashi,Muneo Okiyama	33
9	Genetic Differentiation of Populations of a Hydrothermal Vent-Endemic Gastropod, Ifremeria nautilei, between the North Fiji Basin and the Manus Basin revealed by Nucleotide Sequences of Mitochondrial DNA 2000 ·ZOOLOGICAL SCIENCE ·Shigeaki Kojima,Ryoko Segawa,Yoshihiro Fujiwara,Jun Hashimoto,Suguru Ohta	29
10	Stability of the Courses of the Warm Coastal Currents along the Kyushu Island Suggested by the Population Structure of the Japanese Turban Shell, Turbo (Batillus) Cornutus 2000 ·Journal of Oceanography ·Shigeaki Kojima,Ryoko Segawa,Ikuo Hayashi	21
11	Evolution of Pulmonate Gastropod Mitochondrial Genomes: Comparisons of Gene Organizations of Euhadra, Cepaea and Albinaria and Implications of Unusual tRNA Secondary Structures 1997 ·Genetics ·(unknown),Rei Ueshima,Jonathan Terrett,Shin‐ichi Yokobori,(unknown),Ryoko Segawa,Takanori Kobayashi,(unknown),Takuya Ueda,Kazuya Nishikawa,Kimitsuna Watanabe,Richard H. Thomas	142
12	Molecular phylogeny of vestimentiferans collected around Japan, revealed by the nucleotide sequences of mitochondrial DNA 1997 ·Marine Biology ·Soichi Kojima,Ryoko Segawa,Jun Hashimoto,S. Ohta	45
13	Genetic differentiation among populations of the Japanese turban shell Turbo (Batillus) cornutus corresponding to warm currents 1997 ·Marine Ecology Progress Series ·Satoshi Kojima,Ryoko Segawa,Ikuo Hayashi	85
14	Phylogenetic relationships among species of Calyptogena (Bivalvia: Vesicomyidae) collected around Japan revealed by nucleotide sequences of mitochondrial genes 1995 ·Marine Biology ·Soichi Kojima,Ryoko Segawa,Takanori Kobayashi,Tetsuo Hashimoto,Katsunori Fujikura,Jun Hashimoto,S. Ohta	31

About Ryoko Segawa

Ryoko Segawa is a scholar working on Oceanography, Ecology and Global and Planetary Change, having authored 14 papers that have together received 530 indexed citations. Recurring topics across this work include Marine Biology and Ecology Research (7 papers), Crustacean biology and ecology (4 papers) and Genetic diversity and population structure (4 papers). The work is most often cited by research in Oceanography (256 citations), Ecology (345 citations) and Global and Planetary Change (139 citations). Ryoko Segawa has collaborated with scholars based in Japan, Puerto Rico and Singapore. Frequent co-authors include Ikuo Hayashi, Tadashi Aotsuka, Satoshi Kojima, Jun Hashimoto, S. Ohta, Soichi Kojima, Shigeaki Kojima, Shin‐ichi Yokobori, Jonathan Terrett and Kimitsuna Watanabe. Their work appears in journals such as Genetics, Gene and Marine Ecology Progress Series.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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