L. Kappen

7.0k total citations · 1 hit paper
123 papers, 4.6k citations indexed

About

L. Kappen is a scholar working on Ecology, Evolution, Behavior and Systematics, Plant Science and Ecology. According to data from OpenAlex, L. Kappen has authored 123 papers receiving a total of 4.6k indexed citations (citations by other indexed papers that have themselves been cited), including 67 papers in Ecology, Evolution, Behavior and Systematics, 64 papers in Plant Science and 43 papers in Ecology. Recurrent topics in L. Kappen's work include Lichen and fungal ecology (54 papers), Polar Research and Ecology (32 papers) and Plant Water Relations and Carbon Dynamics (27 papers). L. Kappen is often cited by papers focused on Lichen and fungal ecology (54 papers), Polar Research and Ecology (32 papers) and Plant Water Relations and Carbon Dynamics (27 papers). L. Kappen collaborates with scholars based in Germany, Israel and United States. L. Kappen's co-authors include O. L. Lange, Ernst‐Detlef Schulze, M. Evenari, U. Buschbom, B. Schroeter, Hartmut Kaiser, E. Imre Friedmann, Mathias Herbst, Christiane Eschenbach and R. Lösch and has published in prestigious journals such as Nature, SHILAP Revista de lepidopterología and New Phytologist.

In The Last Decade

L. Kappen

122 papers receiving 4.1k 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.

Responses of stomata to changes in humidity

1971 350 citations O. L. Lange, Ernst‐Detlef Schulze et al. Planta profile →

Peers

Countries citing papers authored by L. Kappen

Since Specialization

Citations

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

Fields of papers citing papers by L. Kappen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of L. Kappen

This figure shows the co-authorship network connecting the top 25 collaborators of L. Kappen. A scholar is included among the top collaborators of L. Kappen 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 L. Kappen. L. Kappen 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	Rice husk-biochar nano-carrier based 2, 4-D herbicide for efficient management of broad leaf weeds and sedges 2025 ·SHILAP Revista de lepidopterología ·L. Kappen, (unknown), (unknown), (unknown), T. Anuradha, K. Jayasankar, K. N. Anith	1
2	In situ observation of stomatal movements and gas exchange of Aegopodium podagraria L. in the understorey 2000 ·Journal of Experimental Botany ·Hartmut Kaiser, L. Kappen	41
3	Chlorophyll a fluorescence and CO 2 exchange of Umbilicaria aprina under extreme light stress in the cold 1998 ·Oecologia ·L. Kappen, B. Schroeter, R. D. Seppelt, (unknown)	60
4	ACTIVITY OF LICHENS UNDER THE INFLUENCE OF SNOW AND ICE (18th Symposium on Polar Biology) 1997 ·Institutional Repository National Institute of Polar Research (National Institute of Polar Research (Japan)) ·L. Kappen, Burkhard Schroeter	5
5	Long-term productivity in the cryptoendolithic microbial community of the Ross Desert, Antarctica 1993 ·Microbial Ecology ·E. Imre Friedmann, L. Kappen, Michael A. Meÿer, James A. Nienow	109
6	Anpassungen von Pflanzen an kalte Extremstandorte 1983 ·Berichte der Deutschen Botanischen Gesellschaft ·L. Kappen	2
7	Lichen oases in hot and cold deserts (Proceedings of the Symposia on Lichenology at the 13 International Botanical Congress,Sydney,Australia,Aug.21-28. Part 2 Compiled by L.Kappen and R.W.Pogers) 1982 ·Journal of The Hattori Botanical Laboratory ·L. Kappen	4
8	Long-term effects of drought on wild and cultivated plants in the Negev desert 1980 ·Oecologia ·Ernst‐Detlef Schulze, Anthony E. Hall, O. L. Lange, M. Evenari, L. Kappen, U. Buschbom	48
9	Long-term effects of drought on wild and cultivated plants in the Negev desert 1980 ·Oecologia ·Ernst‐Detlef Schulze, O. L. Lange, M. Evenari, L. Kappen, U. Buschbom	45
10	Ecophysiological investigations on lichens of the Negev Desert. VII. The influence of the habitat exposure on dew inhibition and photosynthetic productivity 1980 ·Flora ·L. Kappen, O. L. Lange, Ernst‐Detlef Schulze, U. Buschbom, M. Evenari	50
11	Cellular compartmentalization of salt ions and protective agents with respect to freezing tolerance of leaves 1979 ·Oecologia ·(unknown), L. Kappen	7
12	Water and plant life : problems and modern approaches 1976 ·Springer eBooks ·O. L. Lange, L. Kappen, Ernst‐Detlef Schulze	92
13	CO2 exchange patterns under natural conditions of Caralluma negevensis, a CAM plant of the Negev desert 1975 ·Photosynthetica ·O. L. Lange, Ernst‐Detlef Schulze, L. Kappen, M. Evenari, U. Buschbom	35
14	The role of air humidity and temperature in controlling stomatal resistance of Prunus armeniaca L. under desert conditions 1975 ·Oecologia ·Ernst‐Detlef Schulze, O. L. Lange, M. Evenari, L. Kappen, U. Buschbom	42
15	Seasonal and diurnal courses of water relations of the arido-active plant Hammada scoparia in the Negev desert 1975 ·Oecologia ·L. Kappen, J. J. Oertli, O. L. Lange, Ernst‐Detlef Schulze, M. Evenari	24
16	The role of air humidity and leaf temperature in controlling stomatal resistance of Prunus armeniaca L. under desert conditions 1975 ·Oecologia ·Ernst‐Detlef Schulze, O. L. Lange, L. Kappen, M. Evenari, U. Buschbom	168
17	Extreme water stress and photosynthetic activity of the desert plant Artemisia herba-alba asso 1972 ·Oecologia ·L. Kappen, O. L. Lange, Ernst‐Detlef Schulze, M. Evenari, U. Buschbom	31
18	Responses of stomata to changes in humidity breakdown → 1971 ·Planta ·O. L. Lange, (unknown), Ernst‐Detlef Schulze, L. Kappen	350
19	Kälteverträglichkeit und Zuckergehalt von Salzpflanzen1 1969 ·Berichte der Deutschen Botanischen Gesellschaft ·L. Kappen	1
20	Der Einfluß des Wassergehaltes auf die Widerstandsfähigkeit von Pflanzen gegenüber hohen und tiefen Temperaturen, untersucht an Blättern einiger Farne und von Ramonda myconi 1966 ·L. Kappen	22

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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