Sigurd M. Såstad

829 total citations
19 papers, 723 citations indexed

About

Sigurd M. Såstad is a scholar working on Ecology, Evolution, Behavior and Systematics, Plant Science and Ecology. According to data from OpenAlex, Sigurd M. Såstad has authored 19 papers receiving a total of 723 indexed citations (citations by other indexed papers that have themselves been cited), including 18 papers in Ecology, Evolution, Behavior and Systematics, 17 papers in Plant Science and 8 papers in Ecology. Recurrent topics in Sigurd M. Såstad's work include Botany and Plant Ecology Studies (13 papers), Bryophyte Studies and Records (12 papers) and Peatlands and Wetlands Ecology (8 papers). Sigurd M. Såstad is often cited by papers focused on Botany and Plant Ecology Studies (13 papers), Bryophyte Studies and Records (12 papers) and Peatlands and Wetlands Ecology (8 papers). Sigurd M. Såstad collaborates with scholars based in Norway, United States and France. Sigurd M. Såstad's co-authors include Hans K. Stenøien, Olga Hilmo, Kjell Ivar Flatberg, Christian Brochmann, Pierre Taberlet, J. Greilhuber, Bård Pedersen, Kristian Hassel, Lars Söderström and Urban Gunnarsson and has published in prestigious journals such as Molecular Ecology, Biological Conservation and American Journal of Botany.

In The Last Decade

Sigurd M. Såstad

19 papers receiving 653 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Sigurd M. Såstad Norway 16 542 521 206 104 89 19 723
V. Jarošík Czechia 12 301 0.6× 317 0.6× 148 0.7× 85 0.8× 73 0.8× 20 621
Robert F. C. Naczi United States 16 501 0.9× 767 1.5× 247 1.2× 132 1.3× 150 1.7× 79 991
You‐Hao Guo China 15 534 1.0× 400 0.8× 76 0.4× 93 0.9× 287 3.2× 54 722
Magdalena Lučanová Czechia 18 399 0.7× 574 1.1× 161 0.8× 231 2.2× 259 2.9× 36 903
Tetsuto Abe Japan 13 313 0.6× 191 0.4× 113 0.5× 135 1.3× 105 1.2× 34 508
Barbora Kubátová Czechia 11 197 0.4× 255 0.5× 149 0.7× 97 0.9× 132 1.5× 15 455
Göte Turesson Germany 10 316 0.6× 259 0.5× 103 0.5× 152 1.5× 117 1.3× 16 624
Steven E. Travers United States 8 352 0.6× 198 0.4× 79 0.4× 97 0.9× 125 1.4× 8 505
Pablo C. Guerrero Chile 15 411 0.8× 228 0.4× 102 0.5× 111 1.1× 93 1.0× 58 697
Christopher T. Ivey United States 15 632 1.2× 473 0.9× 94 0.5× 129 1.2× 120 1.3× 29 776

Countries citing papers authored by Sigurd M. Såstad

Since Specialization
Citations

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

Fields of papers citing papers by Sigurd M. Såstad

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Sigurd M. Såstad. 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 Sigurd M. Såstad. The network helps show where Sigurd M. Såstad may publish in the future.

Co-authorship network of co-authors of Sigurd M. Såstad

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

All Works

19 of 19 papers shown
1.
Såstad, Sigurd M., et al.. (2009). The Narrow Endemic Sphagnum troendelagicum is an Allopolyploid Derivative of the Widespread S. balticum and S. tenellum. Systematic Botany. 26(1). 66–74. 27 indexed citations
2.
Flatberg, Kjell Ivar, et al.. (2006). Interploidal gene flow and introgression in bryophytes:Sphagnum girgensohnii×S. russowii, a case of spontaneous neotriploidy. Journal of Bryology. 28(1). 27–37. 26 indexed citations
3.
Såstad, Sigurd M., et al.. (2006). Clonality and recombination in the arctic plant Saxifraga cernua. Botanical Journal of the Linnean Society. 152(2). 209–217. 16 indexed citations
4.
Såstad, Sigurd M., et al.. (2005). A secondary hybrid zone between diploid Dactylorhiza incarnata ssp. cruenta and allotetraploid D. lapponica (Orchidaceae). Heredity. 94(5). 488–496. 52 indexed citations
5.
Hassel, Kristian, Sigurd M. Såstad, Urban Gunnarsson, & Lars Söderström. (2005). Genetic variation and structure in the expanding moss Pogonatum dentatum (Polytrichaceae) in its area of origin and in a recently colonized area. American Journal of Botany. 92(10). 1684–1690. 49 indexed citations
6.
Woelkerling, William J., et al.. (2005). The coralline red algal herbarium of Mikael Foslie: revised catalogue with analyses. Duo Research Archive (University of Oslo). 33 indexed citations
7.
Greilhuber, Johann, Sigurd M. Såstad, & Kjell Ivar Flatberg. (2003). Ploidy determination inSphagnumsamples from Svalbard, Arctic Norway, by DNA image cytometry. Journal of Bryology. 25(4). 235–239. 17 indexed citations
8.
Såstad, Sigurd M., et al.. (2003). Amplified fragment length polymorphism versus random amplified polymorphic DNA markers: clonal diversity in Saxifraga cernua. Molecular Ecology. 13(1). 81–86. 80 indexed citations
9.
Hilmo, Olga & Sigurd M. Såstad. (2001). Colonization of old-forest lichens in a young and an old boreal Picea abies forest: an experimental approach. Biological Conservation. 102(3). 251–259. 116 indexed citations
10.
Stenøien, Hans K. & Sigurd M. Såstad. (2001). Genetic variability in bryophytes: does mating system really matter?. Journal of Bryology. 23(4). 313–318. 33 indexed citations
11.
Såstad, Sigurd M., et al.. (2000). Population Structure and Taxonomy ofSphagnum cuspidatumandS. viride. The Bryologist. 103(1). 93–103. 21 indexed citations
12.
Såstad, Sigurd M., Hans K. Stenøien, & Kjell Ivar Flatberg. (1999). Species Delimitation and Relationships of the Sphagnum recurvum Complex (Bryophyta)-as Revealed by Isozyme and RAPD Markers. Systematic Botany. 24(1). 95–95. 23 indexed citations
13.
Stenøien, Hans K. & Sigurd M. Såstad. (1999). Genetic structure in three haploid peat mosses (Sphagnum). Heredity. 82(4). 391–400. 80 indexed citations
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Såstad, Sigurd M., Kjell Ivar Flatberg, & Nils Cronberg. (1999). Electrophoretic evidence supporting a theory of allopolyploid origin of the peatmoss Sphagnum jensenii. Nordic Journal of Botany. 19(3). 355–362. 31 indexed citations
18.
Såstad, Sigurd M.. (1995). Fungi-vegetation relationships in aPinus sylvestrisforest in central Norway. Canadian Journal of Botany. 73(6). 807–816. 15 indexed citations
19.
Såstad, Sigurd M., et al.. (1993). Interpretation of regional differences in the fungal biota as effects of atmospheric pollution. Mycological Research. 97(12). 1451–1458. 12 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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