S. Ichimura

1.4k total citations · 1 hit paper
15 papers, 1.2k citations indexed

About

S. Ichimura is a scholar working on Ecology, Oceanography and Environmental Chemistry. According to data from OpenAlex, S. Ichimura has authored 15 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 9 papers in Ecology, 8 papers in Oceanography and 5 papers in Environmental Chemistry. Recurrent topics in S. Ichimura's work include Marine and coastal ecosystems (8 papers), Aquatic Ecosystems and Phytoplankton Dynamics (5 papers) and Microbial Community Ecology and Physiology (4 papers). S. Ichimura is often cited by papers focused on Marine and coastal ecosystems (8 papers), Aquatic Ecosystems and Phytoplankton Dynamics (5 papers) and Microbial Community Ecology and Physiology (4 papers). S. Ichimura collaborates with scholars based in Japan, Canada and United States. S. Ichimura's co-authors include Masayuki Takahashi, Motoaki Kishino, Noboru Okami, Masayuki Takahashi, Yohsuke Ogawa, Takeo Hama, Toshio Iwakuma, Akira Otsuki, Tatsuo Miyazaki and Joji Ishizaka and has published in prestigious journals such as SHILAP Revista de lepidopterología, Water Research and Marine Biology.

In The Last Decade

S. Ichimura

14 papers receiving 1.1k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Estimation of the spectral absorption coefficients of phytoplankton in the sea

1985 541 citations Motoaki Kishino, Masayuki Takahashi et al. Bulletin of Marine Science profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
S. Ichimura Japan	10	1.0k	466	212	197	162	15	1.2k
HW Higgins Australia	6	1.3k 1.3×	756 1.6×	352 1.7×	142 0.7×	70 0.4×	6	1.5k
Måns Lindell Sweden	8	613 0.6×	371 0.8×	282 1.3×	154 0.8×	81 0.5×	9	819
Heidi Maass Canada	13	1.2k 1.1×	448 1.0×	150 0.7×	317 1.6×	196 1.2×	18	1.3k
Y. Z. Yacobi Israel	18	781 0.8×	484 1.0×	485 2.3×	124 0.6×	127 0.8×	35	1.1k
B. Irwin Canada	16	1.3k 1.3×	821 1.8×	215 1.0×	244 1.2×	61 0.4×	21	1.5k
Kadija Oubelkheir Australia	16	1.1k 1.1×	458 1.0×	134 0.6×	290 1.5×	226 1.4×	26	1.2k
Luigi Lazzara Italy	16	617 0.6×	283 0.6×	132 0.6×	185 0.9×	131 0.8×	40	875
Georgia Tien United States	6	725 0.7×	395 0.8×	193 0.9×	117 0.6×	63 0.4×	10	928
Pasi Ylöstalo Finland	17	690 0.7×	269 0.6×	222 1.0×	115 0.6×	174 1.1×	28	809
DA Bronk United States	11	977 0.9×	620 1.3×	355 1.7×	157 0.8×	63 0.4×	14	1.3k

Countries citing papers authored by S. Ichimura

Since Specialization

Citations

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

Fields of papers citing papers by S. Ichimura

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of S. Ichimura

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

All Works

Sort: Min cites: Since: Top N: Style:

15 of 15 papers shown

Ichimura, S. & Yosuke Yamashiki. (2025). Assessment of the physical and psychological aspects of the current life support system on the International Space Station for sustainable space exploration. SHILAP Revista de lepidopterología. 5.

Ichimura, S., Hideko Takayanagi, Yasufumi Iryu, Satoshi Takahashi, & Tatsuo Oji. (2024). Shallow-water temperature seasonality in the middle Cretaceous mid-latitude northwestern Pacific. Frontiers in Marine Science. 11. 1 indexed citations

Takahashi, Masayuki, S. Ichimura, Motoaki Kishino, & Noboru Okami. (1989). Shade and chromatic adaptation of phytoplankton photosynthesis in a thermally stratified sea. Marine Biology. 100(3). 401–409. 20 indexed citations

Takahashi, Masayuki, Joji Ishizaka, Takashi Ishimaru, et al.. (1986). Temporal change in nutrient concentrations and phytoplankton biomass in short time scale local upwelling around the Izu Peninsula, Japan^*. Journal of Plankton Research. 8(6). 1039–1049. 45 indexed citations

Ishizaka, Joji, Masayuki Takahashi, & S. Ichimura. (1986). Changes in the growth rate of phytoplankton in local upwelling around the Izu Peninsula, Japan. Journal of Plankton Research. 8(1). 169–181. 16 indexed citations

Kishino, Motoaki, Masayuki Takahashi, Noboru Okami, & S. Ichimura. (1985). Estimation of the spectral absorption coefficients of phytoplankton in the sea. Bulletin of Marine Science. 37(2). 634–642. 541 indexed citations breakdown →

Ishizaka, Joji, Masayuki Takahashi, & S. Ichimura. (1983). Evaluation of coastal upwelling effects on phytoplankton growth by simulated culture experiments. Marine Biology. 76(3). 271–278. 32 indexed citations

Hama, Takeo, Tatsuo Miyazaki, Yohsuke Ogawa, et al.. (1983). Measurement of photosynthetic production of a marine phytoplankton population using a stable 13C isotope. Marine Biology. 73(1). 31–36. 405 indexed citations

Toda, Hiroto, Satoshi Nishizawa, Mamoru Takahashi, & S. Ichimura. (1983). Temperature control on the post-embryonic growth of Neomysis intermedia Czerniawsky in a hypereutrophic temperate lake. Journal of Plankton Research. 5(3). 377–392. 8 indexed citations

10.

Toda, Hiroto, Masayuki Takahashi, & S. Ichimura. (1982). Abundance and life history ofNeomysis intermedia Czerniawsky in Lake Kasumigaura. Hydrobiologia. 93(1-2). 31–39. 21 indexed citations

11.

Takahashi, Masayuki, et al.. (1981). Multi-regression analysis of Microcystis bloom with various environmental parameters in eutrophic Lake Kasumigaura, Japan. SIL Proceedings 1922-2010. 21(1). 659–663. 2 indexed citations

12.

Seki, H., Masayuki Takahashi, Y. Hara, & S. Ichimura. (1980). Dynamics of dissolved oxygen during algal bloom in Lake Kasumigaura, Japan. Water Research. 14(2). 179–183. 25 indexed citations

13.

Kuroiwa, Kazuo, Yohsuke Ogawa, H. Seki, & S. Ichimura. (1979). Dynamics of dissolved oxygen in a hypereutrophic lake: Lake Kasumigaura, Japan. Water Air & Soil Pollution. 12(2). 255–264. 3 indexed citations

14.

Takahashi, Masayuki, et al.. (1972). Photosynthetic characteristics of a purple sulfur bacterium grown under different light intensities. Canadian Journal of Microbiology. 18(12). 1825–1828. 10 indexed citations

15.

Takahashi, Masayuki & S. Ichimura. (1971). Glucose uptake in ocean profiles with special reference to temperature. Marine Biology. 11(3). 206–213. 28 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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