K.-P. Witzel

3.0k total citations · 1 hit paper
8 papers, 2.5k citations indexed

About

K.-P. Witzel is a scholar working on Ecology, Molecular Biology and Pollution. According to data from OpenAlex, K.-P. Witzel has authored 8 papers receiving a total of 2.5k indexed citations (citations by other indexed papers that have themselves been cited), including 7 papers in Ecology, 4 papers in Molecular Biology and 4 papers in Pollution. Recurrent topics in K.-P. Witzel's work include Microbial Community Ecology and Physiology (7 papers), Wastewater Treatment and Nitrogen Removal (4 papers) and Genomics and Phylogenetic Studies (2 papers). K.-P. Witzel is often cited by papers focused on Microbial Community Ecology and Physiology (7 papers), Wastewater Treatment and Nitrogen Removal (4 papers) and Genomics and Phylogenetic Studies (2 papers). K.-P. Witzel collaborates with scholars based in Germany, Switzerland and Israel. K.-P. Witzel's co-authors include Werner Liesack, Mary A. Voytek, Bess B. Ward, Ora Hadas, JF Imhoff, Pilar Junier, Gabriela Castillo, T.L. Zheng, Irma Vila and A. Wolf and has published in prestigious journals such as Applied and Environmental Microbiology, Microbial Ecology and Aquatic Microbial Ecology.

In The Last Decade

K.-P. Witzel

8 papers receiving 2.5k 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.

The ammonia monooxygenase structural gene amoA as a functional marker: molecular fine-scale analysis of natural ammonia-oxidizing populations

1997 2.4k citations K.-P. Witzel, Werner Liesack et al. Applied and Environmental Microbiology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
K.-P. Witzel Germany	5	1.8k	1.6k	586	437	400	8	2.5k
Yuichi Suwa Japan	30	1.5k 0.9×	1.2k 0.7×	346 0.6×	352 0.8×	329 0.8×	71	2.4k
Gesche Braker Germany	24	1.9k 1.1×	2.3k 1.4×	996 1.7×	782 1.8×	741 1.9×	32	3.6k
K. Roberts United States	10	1.2k 0.7×	1.7k 1.1×	425 0.7×	785 1.8×	550 1.4×	10	2.5k
Karin Enwall Sweden	8	956 0.5×	1.2k 0.7×	788 1.3×	454 1.0×	308 0.8×	9	2.0k
Ingela Noredal Throbäck Sweden	7	940 0.5×	931 0.6×	449 0.8×	343 0.8×	208 0.5×	7	1.6k
Linda Hink United Kingdom	13	984 0.6×	902 0.6×	536 0.9×	341 0.8×	240 0.6×	14	1.7k
Åsa Jarvis Sweden	10	922 0.5×	780 0.5×	573 1.0×	269 0.6×	198 0.5×	10	1.7k
Man‐Young Jung South Korea	22	977 0.6×	1.4k 0.9×	201 0.3×	465 1.1×	643 1.6×	60	2.1k
Kazuo Isobe Japan	29	828 0.5×	1.1k 0.7×	850 1.5×	395 0.9×	349 0.9×	56	2.2k
Linda Bergaust Norway	19	897 0.5×	791 0.5×	440 0.8×	308 0.7×	339 0.8×	30	1.7k

Countries citing papers authored by K.-P. Witzel

Since Specialization

Citations

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

Fields of papers citing papers by K.-P. Witzel

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by K.-P. 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 K.-P. Witzel. The network helps show where K.-P. Witzel may publish in the future.

Co-authorship network of co-authors of K.-P. Witzel

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

All Works

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8 of 8 papers shown

1.

Junier, Pilar, Werner Eckert, Peter Casper, et al.. (2009). Methane- and ammonia-oxidizing bacteria at the chemocline of Lake Kinneret (Israel). Aquatic Microbial Ecology. 58. 241–248. 2 indexed citations

2.

Junier, Pilar, et al.. (2008). Habitat partitioning of denitrifying bacterial communities carrying nirS or nirK genes in the stratified water column of Lake Kinneret, Israel. Aquatic Microbial Ecology. 51. 129–140. 19 indexed citations

3.

Dorador, Cristina, Gabriela Castillo, K.-P. Witzel, & Irma Vila. (2007). Bacterial diversity in the sediments of a temperate artificial lake, Rapel reservoir. Revista chilena de historia natural. 80(2). 9 indexed citations

4.

Wolf, A., et al.. (2004). Impact of initial phage/host ratio and nutrient addition on coexistence in a phage-host system. Aquatic Microbial Ecology. 35. 131–139. 7 indexed citations

5.

Witzel, K.-P., И. А. Захаров, I. I. Goryacheva, Joachim Adis, & S. I. Golovatch. (2003). Two parthenogenetic millipede species/lines of the genus Poratia Cook & Cook, 1894 (Diplopoda, Polydesmida, Pyrgodesmidae) found free from Wolbachia bacteria. Zenodo (CERN European Organization for Nuclear Research). 4 indexed citations

6.

Ward, Bess B., Mary A. Voytek, & K.-P. Witzel. (1997). Phylogenetic Diversity of Natural Populations of Ammonia Oxidizers Investigated by Specific PCR Amplification. Microbial Ecology. 33(2). 87–96. 40 indexed citations

7.

Witzel, K.-P., et al.. (1997). The ammonia monooxygenase structural gene amoA as a functional marker: molecular fine-scale analysis of natural ammonia-oxidizing populations. Applied and Environmental Microbiology. 63(12). 4704–4712. 2436 indexed citations breakdown →

8.

Witzel, K.-P., et al.. (1981). On the structure of bacterial communities in lakes and rivers — a comparison with numerical taxonomy of isolates. SIL Proceedings 1922-2010. 21(3). 1365–1370. 1 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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