Takashi Sawa

446 total citations
28 papers, 368 citations indexed

About

Takashi Sawa is a scholar working on Renewable Energy, Sustainability and the Environment, Plant Science and Molecular Biology. According to data from OpenAlex, Takashi Sawa has authored 28 papers receiving a total of 368 indexed citations (citations by other indexed papers that have themselves been cited), including 11 papers in Renewable Energy, Sustainability and the Environment, 9 papers in Plant Science and 8 papers in Molecular Biology. Recurrent topics in Takashi Sawa's work include Algal biology and biofuel production (11 papers), Botany, Ecology, and Taxonomy Studies (7 papers) and Plant Diversity and Evolution (6 papers). Takashi Sawa is often cited by papers focused on Algal biology and biofuel production (11 papers), Botany, Ecology, and Taxonomy Studies (7 papers) and Plant Diversity and Evolution (6 papers). Takashi Sawa collaborates with scholars based in Canada and United States. Takashi Sawa's co-authors include Johan A. Hellebust, Robert G. Sheath, Benjamin Silverberg, Carmen Soto, T. C. Hutchinson, Donald R. Tindall, Mark A. Ragan, Neil A. Straus, Michael B. Jackson and Thomas J. Parsons and has published in prestigious journals such as New Phytologist, Journal of Experimental Botany and American Journal of Botany.

In The Last Decade

Takashi Sawa

27 papers receiving 305 citations

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Takashi Sawa Canada	12	141	119	116	86	76	28	368
H. Wayne Nichols United States	10	221 1.6×	271 2.3×	140 1.2×	90 1.0×	109 1.4×	19	606
Richard P. Sheridan United States	12	80 0.6×	73 0.6×	85 0.7×	86 1.0×	60 0.8×	29	383
Irma J. Pintner United States	9	258 1.8×	94 0.8×	111 1.0×	37 0.4×	63 0.8×	11	510
Temd R. Deason United States	16	244 1.7×	276 2.3×	230 2.0×	100 1.2×	69 0.9×	45	595
William R. Rayburn United States	9	70 0.5×	108 0.9×	26 0.2×	139 1.6×	102 1.3×	16	324
Robert Edward Lee United States	10	157 1.1×	101 0.8×	150 1.3×	41 0.5×	53 0.7×	16	379
J. K. G. Silvey United States	10	64 0.5×	73 0.6×	56 0.5×	41 0.5×	81 1.1×	24	330
Joseph C. O'Kelley United States	15	109 0.8×	124 1.0×	224 1.9×	101 1.2×	37 0.5×	43	515
Blaine Metting United States	9	53 0.4×	239 2.0×	59 0.5×	235 2.7×	174 2.3×	14	528
Maria Cristina Margheri Italy	10	114 0.8×	198 1.7×	93 0.8×	159 1.8×	192 2.5×	12	474

Countries citing papers authored by Takashi Sawa

Since Specialization

Citations

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

Fields of papers citing papers by Takashi Sawa

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Takashi Sawa

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

All Works

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20 of 20 papers shown

Ragan, Mark A., Thomas J. Parsons, Takashi Sawa, & Neil A. Straus. (1994). 18S RIBOSOMAL DNA SEQUENCES INDICATE A MONOPHYLETIC ORIGIN OF CHAROPHYCEAE¹. Journal of Phycology. 30(3). 490–500. 13 indexed citations

Sheath, Robert G., Johan A. Hellebust, & Takashi Sawa. (1981). Floridean starch metabolism of Porphyridium purpureum (Rhodophyta). Phycologia. 20(1). 22–31. 6 indexed citations

Sheath, Robert G., Johan A. Hellebust, & Takashi Sawa. (1979). Floridean starch metabolism of Porphyridium purpureum (Rhodophyta). II. Changes during the cell cycle. Phycologia. 18(3). 185–190. 8 indexed citations

Sheath, Robert G., Johan A. Hellebust, & Takashi Sawa. (1979). Floridean starch metabolism of Porphyridium purpureum (Rhodophyta). Phycologia. 18(2). 149–163. 24 indexed citations

Sheath, Robert G., Johan A. Hellebust, & Takashi Sawa. (1977). Changes in plastid structure, pigmentation and photosynthesis of the conchocelis stage of Porphyra leucosticta (Rhodophyta, Bangiophyceae) in response to low light and darkness. Phycologia. 16(3). 265–275. 34 indexed citations

Silverberg, Benjamin, R. A. Fischer, & Takashi Sawa. (1976). Occurrence, composition, and structure of microbody crystalloids in charophycean gametangial sheath cells. PROTOPLASMA. 89(1-2). 73–81. 1 indexed citations

Soto, Carmen, Johan A. Hellebust, T. C. Hutchinson, & Takashi Sawa. (1975). Effect of naphthalene and aqueous crude oil extracts on the green flagellate Chlamydomonas angulosa. I. Growth. Canadian Journal of Botany. 53(2). 109–117. 68 indexed citations

Sawa, Takashi, et al.. (1975). COMPARATIVE ANATOMY OF CHAROPHYTA: II. THE AXIAL NODAL COMPLEX—AN APPROACH TO THE TAXONOMY OF LAMPROTHAMNIUM¹². Journal of Phycology. 11(2). 202–205. 5 indexed citations

Sheath, Robert G., Johan A. Hellebust, & Takashi Sawa. (1975). THE STATOSPORE OF DINOBRYON DIVERGENS IMHOF: FORMATION AND GERMINATION IN A SUBARCTIC LAKE¹. Journal of Phycology. 11(2). 131–138. 34 indexed citations

10.

Sheath, Robert G., Johan A. Hellebust, & Takashi Sawa. (1975). THE STATOSPORE OF DINOBRYON DIVERGENS IMHOF: FORMATION AND GERMINATION IN A SUBARCTIC LAKE1. Journal of Phycology. 11(2). 131–138.

11.

Sawa, Takashi, et al.. (1974). Cytochemical localization of oxidase activities with diaminobenizidine in the green algaChlamydomonas dysosmos. PROTOPLASMA. 81(2-3). 177–188. 19 indexed citations

12.

Silverberg, Benjamin & Takashi Sawa. (1974). AN ULTRASTRUCTURAL STUDY OF THE PYRENOID IN CULTURED CELLS OF CHLORELLA VARIEGATA (CHLOROCOCCALES). New Phytologist. 73(1). 143–146. 5 indexed citations

13.

Silverberg, Benjamin & Takashi Sawa. (1974). Vacuolation inNitella flexilis(Characeae). Journal of Experimental Botany. 25(2). 230–243. 2 indexed citations

14.

Sawa, Takashi. (1974). New Chromosome Numbers for the Genus Tolypella (Characeae). Bulletin of the Torrey Botanical Club. 101(1). 21–21. 11 indexed citations

15.

Sawa, Takashi. (1973). TWO NEW SPECIES OF TOLYPELLA(CHARACEAE) FROM NORTH AMERICA^1,². Journal of Phycology. 9(4). 472–482. 6 indexed citations

16.

Sawa, Takashi, et al.. (1970). Middle Devonian Moellerina greenei Zone and Suppression of the Genus Weikkoella Summerson, 1958. Micropaleontology. 16(4). 399–399. 2 indexed citations

17.

Tindall, Donald R., Takashi Sawa, & Arland T. Hotchkiss. (1965). NITELLOPSIS BULBILLIFERA IN NORTH AMERICA¹². Journal of Phycology. 1(4). 147–150. 4 indexed citations

18.

Sawa, Takashi. (1965). CYTOTAXONOMY OF THE CHARACEAE: KARYOTYPE ANALYSIS OF NITELLA OPACA AND NITELLA FLEXILIS. American Journal of Botany. 52(9). 962–970. 16 indexed citations

19.

Tindall, Donald R. & Takashi Sawa. (1964). CHROMOSOMES OF THE CHARACEAE OF THE WOODS HOLE (MASSACHUSETTS) REGION. American Journal of Botany. 51(9). 943–949. 19 indexed citations

20.

Tindall, Donald R. & Takashi Sawa. (1964). Chromosomes of the Characeae of the Woods Hole (Massachusetts) Region. American Journal of Botany. 51(9). 943–943. 11 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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