Hiroko Koike

1.3k total citations
50 papers, 779 citations indexed

About

Hiroko Koike is a scholar working on Ecology, Genetics and Molecular Biology. According to data from OpenAlex, Hiroko Koike has authored 50 papers receiving a total of 779 indexed citations (citations by other indexed papers that have themselves been cited), including 23 papers in Ecology, 18 papers in Genetics and 9 papers in Molecular Biology. Recurrent topics in Hiroko Koike's work include Genetic diversity and population structure (14 papers), Isotope Analysis in Ecology (8 papers) and Identification and Quantification in Food (5 papers). Hiroko Koike is often cited by papers focused on Genetic diversity and population structure (14 papers), Isotope Analysis in Ecology (8 papers) and Identification and Quantification in Food (5 papers). Hiroko Koike collaborates with scholars based in Japan, Germany and United States. Hiroko Koike's co-authors include Noriyuki Ohtaishi, Shin Nishida, Nobuyuki Nakai, Kumiko Murayama, Satoshi Horai, Masaki Eda, Hiroyoshi Higuchi, Luis A. Pastene, Mutsuo Goto and Yoshiyuki Baba and has published in prestigious journals such as PLoS ONE, Philosophical Transactions of the Royal Society B Biological Sciences and Palaeogeography Palaeoclimatology Palaeoecology.

In The Last Decade

Hiroko Koike

49 papers receiving 734 citations

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Hiroko Koike Japan 17 370 322 188 173 124 50 779
Noriyuki Ohtaishi Japan 17 729 2.0× 379 1.2× 123 0.7× 160 0.9× 52 0.4× 80 1.1k
Julia T. Vilstrup Denmark 11 570 1.5× 386 1.2× 193 1.0× 339 2.0× 57 0.5× 14 975
Tina B. Brand United Kingdom 4 574 1.6× 588 1.8× 161 0.9× 365 2.1× 73 0.6× 4 1.3k
Courtney A. Hofman United States 20 359 1.0× 548 1.7× 307 1.6× 231 1.3× 266 2.1× 50 1.2k
Jonas Binladen Denmark 9 707 1.9× 520 1.6× 303 1.6× 636 3.7× 177 1.4× 11 1.5k
Julien Soubrier Australia 11 507 1.4× 347 1.1× 288 1.5× 510 2.9× 43 0.3× 15 1.1k
Juan Carlos Rando Spain 18 455 1.2× 586 1.8× 315 1.7× 148 0.9× 210 1.7× 59 1.3k
Mikkel‐Holger S. Sinding Denmark 21 730 2.0× 514 1.6× 108 0.6× 448 2.6× 54 0.4× 58 1.4k
Christelle Tougard France 20 549 1.5× 423 1.3× 362 1.9× 243 1.4× 58 0.5× 40 1.1k
Naoki Kohno Japan 17 418 1.1× 129 0.4× 330 1.8× 123 0.7× 30 0.2× 47 743

Countries citing papers authored by Hiroko Koike

Since Specialization
Citations

This map shows the geographic impact of Hiroko Koike'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 Hiroko Koike with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Hiroko Koike more than expected).

Fields of papers citing papers by Hiroko Koike

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Hiroko Koike. 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 Hiroko Koike. The network helps show where Hiroko Koike may publish in the future.

Co-authorship network of co-authors of Hiroko Koike

This figure shows the co-authorship network connecting the top 25 collaborators of Hiroko Koike. A scholar is included among the top collaborators of Hiroko Koike 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 Hiroko Koike. Hiroko Koike is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
2.
Yasukochi, Yoshiki, et al.. (2012). MHC class II DQB diversity in the Japanese black bear, Ursus thibetanus japonicus. BMC Evolutionary Biology. 12(1). 230–230. 14 indexed citations
3.
Eda, Masaki, Hiroko Koike, Fumio Sato, & Hiroyoshi Higuchi. (2011). Genetic Profile of Deko-chan, an Unringed Short-tailed Albatross in Torishima, Izu Islands, and the Implications for the Species' Population Structure. 43(1). 57–64. 7 indexed citations
4.
Nishida, Shin, Yuko Tajima, Motoi Yoshioka, et al.. (2011). Molecular Identification of Novel Alpha- and Gammaherpesviruses from Cetaceans Stranded on Japanese Coasts. ZOOLOGICAL SCIENCE. 28(2). 126–126. 15 indexed citations
5.
Yasukochi, Yoshiki, et al.. (2010). Identification of the expressed MHC class II DQB gene of the Asiatic black bear, Ursus thibetanus, in Japan. Genes & Genetic Systems. 85(2). 147–155. 7 indexed citations
6.
Hamabata, Tomoko, Shin Nishida, Naoki Kamezaki, & Hiroko Koike. (2009). Genetic structure of populations of the green turtle (Chelonia mydas) in Japan using mtDNA control region sequences. Kyushu University Institutional Repository (QIR) (Kyushu University). 15. 35–50. 18 indexed citations
7.
Eda, Masaki, et al.. (2009). Tandem duplication of mitochondrial DNA in the black-faced spoonbill, Platalea minor. Genes & Genetic Systems. 84(4). 297–305. 25 indexed citations
8.
Kuro‐o, Masaki, Hiromichi Yonekawa, Shigeru Saito, et al.. (2009). Unexpectedly high genetic diversity of mtDNA control region through severe bottleneck in vulnerable albatross Phoebastria albatrus. Conservation Genetics. 11(1). 127–137. 27 indexed citations
9.
Nishida, Shin, Naohisa Kanda, Mutsuo Goto, et al.. (2007). Sequence Variation in theTbx4Gene in Marine Mammals. ZOOLOGICAL SCIENCE. 24(5). 449–464. 5 indexed citations
10.
Nishida, Shin, Mutsuo Goto, Luis A. Pastene, Naohisa Kanda, & Hiroko Koike. (2007). Phylogenetic Relationships Among Cetaceans Revealed by Y-Chromosome Sequences. ZOOLOGICAL SCIENCE. 24(7). 723–732. 23 indexed citations
11.
Ishii, Nobuo, et al.. (2006). Natural distribution of δ^ C and δ^ N values of flora and fauna in Tsushima. 12. 25–38. 1 indexed citations
12.
Hayashi, Kosuke, Hideyoshi Yoshida, Shin Nishida, et al.. (2006). Genetic Variation of the MHCDQBLocus in the Finless Porpoise (Neophocaena phocaenoides). ZOOLOGICAL SCIENCE. 23(2). 147–153. 24 indexed citations
13.
Baba, Yoshiyuki, et al.. (1999). Genetic Diversity and Gene Flow of The Hazel Grouse Bonasa bonasia in Japan. Japanese Journal of Ornithology. 48(1). 47–60. 4 indexed citations
14.
Koike, Hiroko & Brian Chisholm. (1991). Paleodiet of Hunter-Gatherers in Japan Estimated by 13C-15N and Lipid Analyses.. The Quaternary Research (Daiyonki-Kenkyu). 30(3). 231–238. 4 indexed citations
15.
Koike, Hiroko & Brian Chisholm. (1991). Paleodiet of Hunter-Gatherers in Japan Estimated by 13C-15N and Lipid analyses (第13回INQUA大会特集号"日本における第四紀研究の進展"). 30(3). 231–238. 1 indexed citations
16.
Horai, Satoshi, Rumi Kondo, Kumiko Murayama, et al.. (1991). Phylogenetic affiliation of ancient and contemporary humans inferred from mitochondrial DNA. Philosophical Transactions of the Royal Society B Biological Sciences. 333(1268). 409–417. 87 indexed citations
17.
Koike, Hiroko. (1986). 808. MICROSTRUCTURE OF GROWTH INCREMENTS IN THE SHELL OF MERCENARIA MERCENARIA (LINNE). 1986(141). 289–295. 1 indexed citations
18.
Koike, Hiroko, et al.. (1983). Vegetation and Agriculture Since the Jomon Age with Special Reference to Evidence in the Northwest Boso Region, Central Japan. The Quaternary Research (Daiyonki-Kenkyu). 22(3). 251–266. 7 indexed citations
19.
Koike, Hiroko. (1982). . The Quaternary Research (Daiyonki-Kenkyu). 21(3). 273–282. 3 indexed citations
20.
Koike, Hiroko. (1978). Seasonality of Shell Collecting Activity and Accumulation Speed of Shell-Midden Sites in Kanto, Japan. The Quaternary Research (Daiyonki-Kenkyu). 17(4). 267–278. 1 indexed citations

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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