C. Kramer

2.3k total citations · 1 hit paper
12 papers, 1.7k citations indexed

About

C. Kramer is a scholar working on Ecology, Soil Science and Pollution. According to data from OpenAlex, C. Kramer has authored 12 papers receiving a total of 1.7k indexed citations (citations by other indexed papers that have themselves been cited), including 11 papers in Ecology, 8 papers in Soil Science and 2 papers in Pollution. Recurrent topics in C. Kramer's work include Isotope Analysis in Ecology (11 papers), Soil Carbon and Nitrogen Dynamics (8 papers) and Microbial Community Ecology and Physiology (4 papers). C. Kramer is often cited by papers focused on Isotope Analysis in Ecology (11 papers), Soil Carbon and Nitrogen Dynamics (8 papers) and Microbial Community Ecology and Physiology (4 papers). C. Kramer collaborates with scholars based in Germany, United States and Switzerland. C. Kramer's co-authors include Gerd Gleixner, Pieter Meiert Grootes, Janet Rethemeyer, Guido L. B. Wiesenberg, Sonja Brodowski, Lorenz Schwark, Gerald Jandl, Michael W. Schmidt, Karsten Kalbitz and Klaus Kaiser and has published in prestigious journals such as Limnology and Oceanography, Soil Biology and Biochemistry and Applied Microbiology and Biotechnology.

In The Last Decade

C. Kramer

12 papers receiving 1.6k 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.

How relevant is recalcitrance for the stabilization of organic matter in soils?

2008 576 citations Bernd Marschner, Sonja Brodowski et al. Journal of Plant Nutrition and Soil Science profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
C. Kramer Germany	11	1.2k	814	370	276	240	12	1.7k
Alexander Heim Switzerland	17	870 0.7×	473 0.6×	265 0.7×	321 1.2×	179 0.7×	23	1.4k
Katherine Heckman United States	22	996 0.8×	695 0.9×	324 0.9×	177 0.6×	286 1.2×	60	1.7k
Victoria B. Willett United Kingdom	8	1.1k 0.9×	657 0.8×	513 1.4×	515 1.9×	124 0.5×	9	1.8k
Jeffrey A. Bird United States	25	1.6k 1.3×	817 1.0×	497 1.3×	521 1.9×	134 0.6×	40	2.2k
O. V. Menyailo Russia	22	827 0.7×	545 0.7×	288 0.8×	176 0.6×	323 1.3×	63	1.4k
Sandra Spielvogel Germany	23	782 0.6×	462 0.6×	197 0.5×	373 1.4×	163 0.7×	57	1.4k
Gerrit Angst Czechia	23	2.1k 1.7×	1.1k 1.3×	477 1.3×	525 1.9×	229 1.0×	51	2.8k
C.W. Feltham New Zealand	10	1.0k 0.8×	408 0.5×	358 1.0×	243 0.9×	84 0.3×	13	1.3k
Ping Jiang China	16	856 0.7×	535 0.7×	232 0.6×	380 1.4×	194 0.8×	37	1.5k
Tomáš Picek Czechia	24	623 0.5×	890 1.1×	377 1.0×	356 1.3×	125 0.5×	58	1.6k

Countries citing papers authored by C. Kramer

Since Specialization

Citations

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

Fields of papers citing papers by C. Kramer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of C. Kramer

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

All Works

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12 of 12 papers shown

Kramer, C., Susan Trumbore, Mats Fröberg, et al.. (2010). Recent (<4 year old) leaf litter is not a major source of microbial carbon in a temperate forest mineral soil. Soil Biology and Biochemistry. 42(7). 1028–1037. 115 indexed citations

Marschner, Bernd, Sonja Brodowski, Alexander Dreves, et al.. (2008). How relevant is recalcitrance for the stabilization of organic matter in soils?. Journal of Plant Nutrition and Soil Science. 171(1). 91–110. 576 indexed citations breakdown →

Gleixner, Gerd, et al.. (2008). Tracking carbon flow in a 2‐week‐old and 6‐week‐old stream biofilm food web. Limnology and Oceanography. 53(2). 642–650. 31 indexed citations

Rubino, Mauro, Carmine Lubritto, Antonio D’Onofrio, et al.. (2008). Isotopic evidences for microbiologically mediated and direct C input to soil compounds from three different leaf litters during their decomposition. Environmental Chemistry Letters. 7(1). 85–95. 22 indexed citations

Flessa, Heiner, Wulf Amelung, Mirjam Helfrich, et al.. (2008). Storage and stability of organic matter and fossil carbon in a Luvisol and Phaeozem with continuous maize cropping: A synthesis. Journal of Plant Nutrition and Soil Science. 171(1). 36–51. 78 indexed citations

Kramer, C. & Gerd Gleixner. (2007). Soil organic matter in soil depth profiles: Distinct carbon preferences of microbial groups during carbon transformation. Soil Biology and Biochemistry. 40(2). 425–433. 414 indexed citations

Kramer, C. & Gerd Gleixner. (2006). Variable use of plant- and soil-derived carbon by microorganisms in agricultural soils. Soil Biology and Biochemistry. 38(11). 3267–3278. 248 indexed citations

Rethemeyer, Janet, C. Kramer, Gerd Gleixner, et al.. (2005). Radiocarbon analysis of functional-defined and molecular organic matter fractions from agricultural soil profiles. Helmholtz-Zentrum für Polar-und Meeresforschung (Alfred-Wegener-Institut). 3 indexed citations

Rethemeyer, Janet, C. Kramer, Gerd Gleixner, et al.. (2005). Transformation of organic matter in agricultural soils: radiocarbon concentration versus soil depth. Geoderma. 128(1-2). 94–105. 86 indexed citations

10.

Kramer, C., et al.. (2004). Degradation of 2-fluorophenol by the brown-rot fungus Gloeophyllum striatum : evidence for the involvement of extracellular Fenton chemistry. Applied Microbiology and Biotechnology. 64(3). 387–395. 34 indexed citations

11.

Rethemeyer, Janet, C. Kramer, Gerd Gleixner, et al.. (2004). Complexity of Soil Organic Matter: AMS ¹⁴C Analysis of Soil Lipid Fractions and Individual Compounds. Radiocarbon. 46(1). 465–473. 54 indexed citations

12.

Rethemeyer, Janet, Pieter Meiert Grootes, Frank Bruhn, et al.. (2004). Age heterogeneity of soil organic matter. Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms. 223-224. 521–527. 42 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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