H. Flessa

2.5k total citations · 1 hit paper
27 papers, 2.0k citations indexed

About

H. Flessa is a scholar working on Soil Science, Ecology and Environmental Chemistry. According to data from OpenAlex, H. Flessa has authored 27 papers receiving a total of 2.0k indexed citations (citations by other indexed papers that have themselves been cited), including 20 papers in Soil Science, 10 papers in Ecology and 8 papers in Environmental Chemistry. Recurrent topics in H. Flessa's work include Soil Carbon and Nitrogen Dynamics (20 papers), Peatlands and Wetlands Ecology (7 papers) and Soil and Water Nutrient Dynamics (7 papers). H. Flessa is often cited by papers focused on Soil Carbon and Nitrogen Dynamics (20 papers), Peatlands and Wetlands Ecology (7 papers) and Soil and Water Nutrient Dynamics (7 papers). H. Flessa collaborates with scholars based in Germany, Russia and China. H. Flessa's co-authors include Reiner Ruser, J. C. Munch, Bernard Ludwig, Mirjam Helfrich, F. Beese, Reinhard Well, Franz Buegger, R. Russow, G. Schmidt and Jens Dyckmans and has published in prestigious journals such as Journal of Geophysical Research Atmospheres, Soil Biology and Biochemistry and Soil Science Society of America Journal.

In The Last Decade

H. Flessa

27 papers receiving 1.9k 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.

Emission of N2O, N2 and CO2 from soil fertilized with nitrate: effect of compaction, soil moisture and rewetting

2005 479 citations Reiner Ruser, H. Flessa et al. Soil Biology and Biochemistry profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
H. Flessa Germany	19	1.1k	672	631	337	327	27	2.0k
S. Yamulki United Kingdom	27	1.4k 1.2×	807 1.2×	1.1k 1.7×	191 0.6×	393 1.2×	49	2.3k
L.J.M. Boumans Netherlands	15	1.1k 1.0×	505 0.8×	1.0k 1.6×	316 0.9×	308 0.9×	29	2.1k
Shenghui Han China	26	1.2k 1.0×	542 0.8×	624 1.0×	317 0.9×	641 2.0×	58	2.0k
Xingkai Xu China	26	1.3k 1.2×	512 0.8×	593 0.9×	403 1.2×	251 0.8×	87	2.3k
Baohua Xie China	26	1.3k 1.2×	812 1.2×	675 1.1×	476 1.4×	509 1.6×	59	2.3k
J. L. Gaunt United Kingdom	19	1.4k 1.2×	605 0.9×	578 0.9×	385 1.1×	146 0.4×	33	2.3k
Normand Bertrand Canada	26	1.4k 1.2×	485 0.7×	892 1.4×	483 1.4×	231 0.7×	40	2.2k
Katsuyuki Minami Japan	20	1.1k 1.0×	518 0.8×	593 0.9×	524 1.6×	716 2.2×	40	2.2k
K. L. Weier Australia	16	1.3k 1.1×	489 0.7×	977 1.5×	383 1.1×	318 1.0×	27	2.1k
I. P. McTaggart Japan	18	1.7k 1.5×	589 0.9×	1.3k 2.1×	335 1.0×	337 1.0×	29	2.4k

Countries citing papers authored by H. Flessa

Since Specialization

Citations

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

Fields of papers citing papers by H. Flessa

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of H. Flessa

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

All Works

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20 of 20 papers shown

Helfrich, Mirjam, et al.. (2024). Nitrogen transformation as affected by decomposition of ¹⁵N‐labeled cover crop shoots and roots. Journal of Plant Nutrition and Soil Science. 187(6). 748–765. 1 indexed citations

Böttcher, J., Daniel Weymann, Reinhard Well, et al.. (2010). Emission of groundwater‐derived nitrous oxide into the atmosphere: model simulations based on a ¹⁵ N field experiment. European Journal of Soil Science. 62(2). 216–225. 13 indexed citations

Vicca, Sara, Ivan A. Janssens, H. Flessa, Sabine Fiedler, & Hermann F. Jungkunst. (2009). Temperature dependence of greenhouse gas emissions from three hydromorphic soils at different groundwater levels. Geobiology. 7(4). 465–476. 23 indexed citations

Well, Reinhard & H. Flessa. (2009). Isotopologue enrichment factors of N ₂ O reduction in soils. Rapid Communications in Mass Spectrometry. 23(18). 2996–3002. 51 indexed citations

Flessa, H., et al.. (2009). Controls of temporal and spatial variability of methane uptake in soils of a temperate deciduous forest with different abundance of European beech (Fagus sylvatica L.). Soil Biology and Biochemistry. 41(8). 1659–1667. 47 indexed citations

Vicca, Sara, H. Flessa, Norman Loftfield, & Ivan A. Janssens. (2009). The inhibitory effect of difluoromethane on CH4 oxidation in reconstructed peat columns and side-effects on CO2 and N2O emissions at two water levels. Soil Biology and Biochemistry. 41(6). 1117–1123. 8 indexed citations

Helfrich, Mirjam, H. Flessa, Robert Mikutta, Alexander Dreves, & Bernard Ludwig. (2007). Comparison of chemical fractionation methods for isolating stable soil organic carbon pools. European Journal of Soil Science. 58(6). 1316–1329. 152 indexed citations

Helfrich, Mirjam, Bernard Ludwig, P. Buurman, & H. Flessa. (2006). Effect of land use on the composition of soil organic matter in density and aggregate fractions as revealed by solid-state 13C NMR spectroscopy. Geoderma. 136(1-2). 331–341. 214 indexed citations

Flessa, H., et al.. (2006). Organic matter composition and potential trace gas production of permafrost soils in the forest tundra in northern Siberia. Geoderma. 135. 49–62. 72 indexed citations

10.

Ruser, Reiner, H. Flessa, R. Russow, et al.. (2005). Emission of N2O, N2 and CO2 from soil fertilized with nitrate: effect of compaction, soil moisture and rewetting. Soil Biology and Biochemistry. 38(2). 263–274. 479 indexed citations breakdown →

11.

Feng, Zhaozhong, Jens Dyckmans, & H. Flessa. (2004). Effects of elevated carbon dioxide concentration on growth and N2 fixation of young Robinia pseudoacacia. Tree Physiology. 24(3). 323–330. 23 indexed citations

12.

Dyckmans, Jens & H. Flessa. (2002). Influence of tree internal nitrogen reserves on the response of beech (Fagus sylvatica) trees to elevated atmospheric carbon dioxide concentration. Tree Physiology. 22(1). 41–49. 24 indexed citations

13.

Flessa, H., Reiner Ruser, Peter Dörsch, et al.. (2002). Integrated evaluation of greenhouse gas emissions (CO2, CH4, N2O) from two farming systems in southern Germany. Agriculture Ecosystems & Environment. 91(1-3). 175–189. 247 indexed citations

14.

Dyckmans, Jens & H. Flessa. (2001). Influence of tree internal N status on uptake and translocation of C and N in beech: a dual 13C and 15N labeling approach. Tree Physiology. 21(6). 395–401. 75 indexed citations

15.

Dyckmans, Jens, H. Flessa, Zhouping Shangguan, & F. Beese. (2000). A Dual ¹³ C and ¹⁵ N Long Term Labelling Technique to Investigate Uptake and Translocation of C and N in Beech ( Fagus sylvatica L.). Isotopes in Environmental and Health Studies. 36(1). 63–78. 10 indexed citations

16.

Ludwig, Bernard, et al.. (2000). Use of¹³C and¹⁵N Mass Spectrometry to Study the Decomposition ofCalamagrostis epigeiosin Soil Column Experiments with and Without Ash Additions. Isotopes in Environmental and Health Studies. 36(1). 49–61. 15 indexed citations

17.

Ludwig, Bernard, et al.. (2000). ¹³C and¹⁵N Distributions in three Spodic Dystric Cambisols Under Beech and Spruce. Isotopes in Environmental and Health Studies. 36(1). 35–47. 7 indexed citations

18.

Dyckmans, Jens, H. Flessa, Andrea Polle, & F. Beese. (2000). The Effect of Elevated [CO₂] on Uptake and Allocation of ¹³C and ¹⁵N in Beech (Fagus sylvatica L.) during Leafing. Plant Biology. 2(1). 113–120. 27 indexed citations

19.

Ruser, Reiner, Rolf Schilling, H. Steindl, H. Flessa, & F. Beese. (1998). Soil Compaction and Fertilization Effects on Nitrous Oxide and Methane Fluxes in Potato Fields. Soil Science Society of America Journal. 62(6). 1587–1595. 138 indexed citations

20.

Flessa, H. & Walter Fischer. (1992). Plant-induced changes in the redox potentials of rice rhizospheres. Plant and Soil. 143(1). 55–60. 124 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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