Johs. Iversen

2.3k total citations · 1 hit paper
11 papers, 988 citations indexed

About

Johs. Iversen is a scholar working on Ecology, Plant Science and Atmospheric Science. According to data from OpenAlex, Johs. Iversen has authored 11 papers receiving a total of 988 indexed citations (citations by other indexed papers that have themselves been cited), including 4 papers in Ecology, 3 papers in Plant Science and 2 papers in Atmospheric Science. Recurrent topics in Johs. Iversen's work include Botany and Plant Ecology Studies (3 papers), Peatlands and Wetlands Ecology (3 papers) and Forest Ecology and Biodiversity Studies (2 papers). Johs. Iversen is often cited by papers focused on Botany and Plant Ecology Studies (3 papers), Peatlands and Wetlands Ecology (3 papers) and Forest Ecology and Biodiversity Studies (2 papers). Johs. Iversen collaborates with scholars based in Denmark, United Kingdom and Germany. Johs. Iversen's co-authors include Knut Fægri, Winifred Tutin, David A. Walker, Sigurdur Thorarinsson, Inger Brandt, Hans Helbæk, H. Godwin, R. Nordhagen, Svend Th. Andersen and F. Firbas and has published in prestigious journals such as Science, Journal of Ecology and Journal of Animal Ecology.

In The Last Decade

Johs. Iversen

11 papers receiving 771 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.

Textbook of Pollen Analysis.

1965 511 citations Winifred Tutin, Knut Fægri et al. Journal of Ecology profile →

Peers

Johs. Iversen

AS

EEBS

PS

ECOLO

PALEO

Winifred Tutin

Glenn E. Rouse Canada

Judith Turner United Kingdom

Edward J. Cushing United States

Magnus Fries Azerbaijan

Jens Böcher Denmark

David T. Pocknall New Zealand

Torbjørn Alm Norway

E. M. van Zinderen Bakker South Africa

Paul Roiron France

Winifred Tutin

Johs. Iversen

559 ×1.0

AS

268 ×0.7

EEBS

185 ×0.7

PS

199 ×1.0

ECOLO

227 ×1.5

PALEO

Citations per year, relative to Johs. Iversen Johs. Iversen (= 1×) peers Winifred Tutin

Countries citing papers authored by Johs. Iversen

Since Specialization

Citations

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

Fields of papers citing papers by Johs. Iversen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Johs. Iversen

This figure shows the co-authorship network connecting the top 25 collaborators of Johs. Iversen. A scholar is included among the top collaborators of Johs. Iversen 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 Johs. Iversen. Johs. Iversen 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:

11 of 11 papers shown

1.

Iversen, Johs.. (1973). Geology of Denmark III: The Development of Denmark's Nature since the Last Glacial. 7. 1–126. 71 indexed citations

2.

Tutin, Winifred, Knut Fægri, & Johs. Iversen. (1965). Textbook of Pollen Analysis.. Journal of Ecology. 53(2). 547–547. 511 indexed citations breakdown →

3.

Iversen, Johs.. (1964). Retrogressive Vegetational Succession in the Post-Glacial. Journal of Animal Ecology. 33. 59–59. 67 indexed citations

4.

Iversen, Johs., et al.. (1960). Chronology and climatology of the quaternary. 3 indexed citations

5.

Iversen, Johs.. (1960). Problems of the Early Post-Glacial Forest Development in Denmark. 4(3). 1–32. 106 indexed citations

6.

Iversen, Johs.. (1954). Über die Korrelationen zwischen den Pflanzenarten in einem grönländischen talgebiet. Vegetatio. 5-6(1). 238–246. 9 indexed citations

7.

Firbas, F., H. Godwin, Peter Ingwersen, et al.. (1954). Studies in V egetational History in honour of Knud Jessen. 80. 1–308. 4 indexed citations

8.

Iversen, Johs.. (1953). The Zonation of the Salt Marsh Vegetation of Skallingen in 1931-34 and in 1952.. Geografisk Tidsskrift-Danish Journal of Geography. 52. 7 indexed citations

9.

Iversen, Johs.. (1953). Radiocarbon Dating of the Alleröd Period. Science. 118(3053). 9–11. 43 indexed citations

10.

Iversen, Johs.. (1952). Origin of the Flora of Western Greenland in the Light of Pollen Analysis. Oikos. 4(2). 85–85. 46 indexed citations

11.

Walker, David A., Knut Fægri, & Johs. Iversen. (1951). Textbook of Modern Pollen Analysis.. Journal of Ecology. 39(2). 436–436. 121 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.

Explore authors with similar magnitude of impact