Ansgar Kahmen

12.5k total citations · 4 hit papers
137 papers, 7.3k citations indexed

About

Ansgar Kahmen is a scholar working on Global and Planetary Change, Atmospheric Science and Plant Science. According to data from OpenAlex, Ansgar Kahmen has authored 137 papers receiving a total of 7.3k indexed citations (citations by other indexed papers that have themselves been cited), including 81 papers in Global and Planetary Change, 64 papers in Atmospheric Science and 49 papers in Plant Science. Recurrent topics in Ansgar Kahmen's work include Plant Water Relations and Carbon Dynamics (74 papers), Tree-ring climate responses (40 papers) and Geology and Paleoclimatology Research (25 papers). Ansgar Kahmen is often cited by papers focused on Plant Water Relations and Carbon Dynamics (74 papers), Tree-ring climate responses (40 papers) and Geology and Paleoclimatology Research (25 papers). Ansgar Kahmen collaborates with scholars based in Switzerland, Germany and United States. Ansgar Kahmen's co-authors include Nina Buchmann, Dirk Sachse, Todd E. Dawson, Stefan K. Arndt, Jörg Perner, Enno Schefuß, Günter Hoch, Daniel B. Nelson, Gerd Gleixner and Jason B. West and has published in prestigious journals such as Nature, Science and Proceedings of the National Academy of Sciences.

In The Last Decade

Ansgar Kahmen

128 papers receiving 7.2k 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.

Molecular Paleohydrology: Interpreting the Hydrogen-Isotopic Composition of Lipid Biomarkers from Photosynthesizing Organisms

2012 779 citations Ansgar Kahmen et al. profile →
Global patterns of foliar nitrogen isotopes and their relationships with climate, mycorrhizal fungi, foliar nutrient concentrations, and nitrogen availability

2009 715 citations Ansgar Kahmen et al. New Phytologist profile →
Drivers and dynamics of a massive adaptive radiation in cichlid fishes

2020 204 citations Fabrizia Ronco, Michael Matschiner et al. Nature profile →
Plant diversity drives positive microbial associations in the rhizosphere enhancing carbon use efficiency in agricultural soils

2024 46 citations Luiz A. Domeignoz‐Horta, Seraina L. Cappelli et al. Nature Communications profile →

Peers

Countries citing papers authored by Ansgar Kahmen

Since Specialization

Citations

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

Fields of papers citing papers by Ansgar Kahmen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ansgar Kahmen

This figure shows the co-authorship network connecting the top 25 collaborators of Ansgar Kahmen. A scholar is included among the top collaborators of Ansgar Kahmen 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 Ansgar Kahmen. Ansgar Kahmen 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

#	Work	Indexed citations
1	Effects of increasing atmospheric CO ₂ on leaf water δ ¹⁸ O values are small and are attenuated in grasses and amplified in dicotyledonous herbs and legumes when transferred to cellulose δ ¹⁸ O values 2024 ·New Phytologist ·(unknown), Meisha Holloway‐Phillips, David Basler, Daniel B. Nelson, Ansgar Kahmen	1
2	Plant diversity drives positive microbial associations in the rhizosphere enhancing carbon use efficiency in agricultural soils breakdown → 2024 ·Nature Communications ·Luiz A. Domeignoz‐Horta, Seraina L. Cappelli, (unknown), (unknown), Annalea Lohila, Jussi Heinonsalo, Daniel B. Nelson, Ansgar Kahmen, Pengpeng Duan, David Sebag, Eric Verrecchia, Anna‐Liisa Laine	46
3	Soil fungi remain active and invest in storage compounds during drought independent of future climate conditions 2024 ·Nature Communications ·Alberto Canarini, Lucia Fuchslueger, Jörg Schnecker, (unknown), Daniel B. Nelson, Ansgar Kahmen, Margarete Watzka, E. M. Pötsch, Andreas Schaumberger, Michael Bahn, Andreas Richter	29
4	Post‐drought compensatory growth in perennial grasslands is determined by legacy effects of the soil and not by plants 2023 ·New Phytologist ·(unknown), A. Lüscher, Ansgar Kahmen	10
5	Daytime stomatal regulation in mature temperate trees prioritizes stem rehydration at night 2023 ·New Phytologist ·Richard L. Peters, Kathy Steppe, Christoforos Pappas, Roman Zweifel, Flurin Babst, Lars Dietrich, Georg von Arx, Rafael Poyatos, Marina V. Fonti, Patrick Fonti, Charlotte Grossiord, Mana Gharun, Nina Buchmann, (unknown), Ansgar Kahmen	36
6	Covariation between oxygen and hydrogen stable isotopes declines along the path from xylem water to wood cellulose across an aridity gradient 2023 ·New Phytologist ·Meisha Holloway‐Phillips, Lucas A. Cernusak, Daniel B. Nelson, Marco M. Lehmann, Guillaume Tcherkez, Ansgar Kahmen	13
7	Species variation in the hydrogen isotope composition of leaf cellulose is mostly driven by isotopic variation in leaf sucrose 2022 ·Plant Cell & Environment ·Meisha Holloway‐Phillips, (unknown), Daniel B. Nelson, Marco M. Lehmann, Guillaume Tcherkez, Ansgar Kahmen	21
8	Explicitly accounting for needle sugar pool size crucial for predicting intra‐seasonal dynamics of needle carbohydrates δ¹⁸O and δ¹³C 2022 ·New Phytologist ·Kersti Leppä, Yu Tang, Jérôme Ogée, Samuli Launiainen, Ansgar Kahmen, Pasi Kolari, (unknown), Matthias Saurer, Pauliina Schiestl‐Aalto, Katja T. Rinne‐Garmston	11
9	Dynamic ²H irrigation pulse labelling reveals rapid infiltration and mixing of precipitation in the soil and species‐specific water uptake depths of trees in a temperate forest 2021 ·Ecohydrology ·Ansgar Kahmen, (unknown), Günter Hoch, (unknown), Lars Dietrich	18
10	Drivers and dynamics of a massive adaptive radiation in cichlid fishes breakdown → 2020 ·Nature ·Fabrizia Ronco, Michael Matschiner, Astrid Böhne, A. Boila, Heinz H. Büscher, Athimed El Taher, Adrian Indermaur, Milan Malinsky, (unknown), Ansgar Kahmen, Sissel Jentoft, Walter Salzburger	204
11	Soil nutrient availability alters tree carbon allocation dynamics during drought 2020 ·Tree Physiology ·Leonie Schönbeck, Mai‐He Li, Marco M. Lehmann, Andreas Rigling, Marcus Schaub, Günter Hoch, Ansgar Kahmen, Arthur Geßler	34
12	The ¹⁸O‐signal transfer from water vapour to leaf water and assimilates varies among plant species and growth forms 2019 ·Plant Cell & Environment ·Marco M. Lehmann, Gregory R. Goldsmith, (unknown), Rosemarie B. Weigt, Leonie Schönbeck, Ansgar Kahmen, Arthur Geßler, Rolf Siegwolf, Matthias Saurer	20
13	Water relations of drought-stressed temperate trees benefit from short drought-intermitting rainfall events 2018 ·Agricultural and Forest Meteorology ·Lars Dietrich, Ansgar Kahmen	19
14	Daily stem diameter variations can predict the canopy water status of mature temperate trees 2018 ·Tree Physiology ·Lars Dietrich, Roman Zweifel, Ansgar Kahmen	88
15	Contrasting stomatal sensitivity to temperature and soil drought in mature alpine conifers 2018 ·Plant Cell & Environment ·Richard L. Peters, Matthias Speich, Christoforos Pappas, Ansgar Kahmen, Georg von Arx, Elisabeth Graf Pannatier, Kathy Steppe, Kerstin Treydte, Ana Stritih, Patrick Fonti	41
16	No role for xylem embolism or carbohydrate shortage in temperate trees during the severe 2015 drought 2018 ·Journal of Ecology ·Lars Dietrich, Sylvain Delzon, Günter Hoch, Ansgar Kahmen	55
17	Quantification of uncertainties in conifer sap flow measured with the thermal dissipation method 2018 ·New Phytologist ·Richard L. Peters, Patrick Fonti, David Frank, Rafael Poyatos, Christoforos Pappas, Ansgar Kahmen, Vinicio Carraro, Angela Luisa Prendin, Loïc Schneider, Jennifer L. Baltzer, (unknown), Lars Dietrich, Ingo Heinrich, R. L. Minor, Oliver Sonnentag, Ashley M. Matheny, (unknown), Kathy Steppe	91
18	Losing half the conductive area hardly impacts the water status of mature trees 2018 ·Scientific Reports ·Lars Dietrich, Günter Hoch, Ansgar Kahmen, Christian Körner	44
19	Physiological responses of herbaceous plants to climate change: a century long assessment based on the stable isotope analysis of herbaria specimens 2015 ·EGUGA ·Cristina Moreno‐Gutiérrez, Rolf Siegwolf, Ansgar Kahmen	2
20	The enigma of effective pathlength for 18 O enrichment in leaf water of conifers 2013 ·AGUFM ·John S. Roden, Ansgar Kahmen, Nina Buchmann, Rolf Siegwolf	4

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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