Karl‐Paul Witzel

2.6k citations
33 papers · 2.0k indexed · 1 hit paper · h-index 19
Topics
Microbial Community Ecology and Physiology (24 papers)Wastewater Treatment and Nitrogen Removal (13 papers)Genomics and Phylogenetic Studies (6 papers)
Partner nations
GermanySwitzerlandChile

In The Last Decade

Karl‐Paul Witzel

32 papers receiving 1.9k citations

Hit Papers

Development of PCR Primer Systems for Amplification of Ni...19982026200720161998200400600

Peers

Karl‐Paul Witzel
Comparison fields: 5 of 87
  • Ecology 1.4k
  • Pollution 994
  • Molecular Biology 555
  • Environmental Chemistry 362
  • Environmental Engineering 198
Replace Maria Tourna with:
Maria Tourna Greece
Laura E. Lehtovirta‐Morley United Kingdom
Pierre Offre Netherlands
S. Hallet France
Karin Enwall Sweden
Baozhan Wang China
So‐Jeong Kim South Korea
Russell K. Hynes Canada
Shigeto Otsuka Japan
Stephan Stubner Germany
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Citations per field
00.5×1.5×
Maria Tourna · 1×
Citations per year

Countries citing papers authored by Karl‐Paul Witzel

Since Specialization
Citations

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

Fields of papers citing papers by Karl‐Paul Witzel

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Karl‐Paul Witzel. 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 Karl‐Paul Witzel. The network helps show where Karl‐Paul Witzel may publish in the future.

Co-authorship network of co-authors of Karl‐Paul Witzel

This figure shows the co-authorship network connecting the top 25 collaborators of Karl‐Paul Witzel. A scholar is included among the top collaborators of Karl‐Paul Witzel 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 Karl‐Paul Witzel. Karl‐Paul Witzel 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
#WorkIndexed citations
1 9
2 58
3 135
4 15
5 6
6 89
7 44
8 28
9 59
10 76
11 30
12 33
13 17
14
Cyanobacterial diversity in Salar de Huasco, a high altitude saline wetland in northern Chile: an example of geographical dispersion?
1
15 21
16 234
17
Development of PCR Primer Systems for Amplification of Nitrite Reductase Genes (nirKandnirS) To Detect Denitrifying Bacteria in Environmental Samplesbreakdown →
723
18 53
19
Measurement of exoenzymatic activity in streambed sediments using methylumbelliferyl-substrates
23
20
Research strategies in aquatic microbial ecology
2

About Karl‐Paul Witzel

Karl‐Paul Witzel is a scholar working on Pollution, Ecology and Oceanography, having authored 33 papers that have together received 2.0k indexed citations. Recurring topics across this work include Microbial Community Ecology and Physiology (24 papers), Wastewater Treatment and Nitrogen Removal (13 papers) and Genomics and Phylogenetic Studies (6 papers). The work is most often cited by research in Pollution (994 citations), Ecology (1.4k citations) and Environmental Chemistry (362 citations). Karl‐Paul Witzel has collaborated with scholars based in Germany, Switzerland and Chile. Frequent co-authors include Andreas Fesefeldt, Gesche Braker, Johannes F. Imhoff, Pilar Junier, Cristina Dorador, Irma Vila, Thomas Junier, Günter Jost, Ok-Sun Kim and Michael Schloter. Their work appears in journals such as Journal of Geophysical Research Atmospheres, Applied and Environmental Microbiology and FEMS Microbiology Reviews.

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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2026