Karl J. Niklas

618 total papers · 27.4k total citations
483 papers, 20.7k citations indexed

About

Karl J. Niklas is a scholar working on Plant Science, Ecology, Evolution, Behavior and Systematics and Nature and Landscape Conservation. According to data from OpenAlex, Karl J. Niklas has authored 483 papers receiving a total of 20.7k indexed citations (citations by other indexed papers that have themselves been cited), including 223 papers in Plant Science, 181 papers in Ecology, Evolution, Behavior and Systematics and 137 papers in Nature and Landscape Conservation. Recurrent topics in Karl J. Niklas's work include Ecology and Vegetation Dynamics Studies (109 papers), Tree Root and Stability Studies (108 papers) and Plant and animal studies (88 papers). Karl J. Niklas is often cited by papers focused on Ecology and Vegetation Dynamics Studies (109 papers), Tree Root and Stability Studies (108 papers) and Plant and animal studies (88 papers). Karl J. Niklas collaborates with scholars based in United States, China and Germany. Karl J. Niklas's co-authors include Brian J. Enquist, Peter B. Reich, Jacek Oleksyn, Hendrik Poorter, Pieter Poot, Liesje Mommer, U. Kutschera, Edward D. Cobb, Hanns‐Christof Spatz and Beryl B. Simpson and has published in prestigious journals such as Nature, Science and Proceedings of the National Academy of Sciences.

In The Last Decade

Karl J. Niklas

478 papers receiving 19.8k citations

Hit Papers

Biomass allocation to lea... 1993 2026 2004 2015 2011 1993 2002 500 1000 1.5k 2.0k
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 benchmark for papers published in the same subfield and year, or reaches the top citation threshold in at least one of its specific research topics.

  1. Biomass allocation to leaves, stems and roots: meta‐analyses of interspecific variation and environmental control
    2011 2.2k citations Hendrik Poorter, Karl J. Niklas et al. New Phytologist profile →
  2. Plant biomechanics: an engineering approach to plant form and function
    1993 931 citations Karl J. Niklas profile →
  3. Global Allocation Rules for Patterns of Biomass Partitioning in Seed Plants
    2002 595 citations Brian J. Enquist, Karl J. Niklas Science profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author Last Decade Papers Cites
Karl J. Niklas 8.7k 7.2k 6.1k 5.0k 3.1k 483 20.7k
Timothy J. Brodribb 10.7k 1.2× 5.0k 0.7× 3.9k 0.6× 12.4k 2.5× 1.9k 0.6× 228 18.8k
Ian J. Wright 10.5k 1.2× 16.1k 2.2× 8.9k 1.5× 12.0k 2.4× 1.3k 0.4× 183 28.3k
Todd E. Dawson 8.2k 0.9× 6.5k 0.9× 4.0k 0.7× 15.3k 3.1× 1.1k 0.4× 276 26.5k
Fernando Valladares 10.5k 1.2× 14.9k 2.1× 8.5k 1.4× 10.5k 2.1× 1.6k 0.5× 318 26.9k
Lawren Sack 8.7k 1.0× 6.5k 0.9× 4.0k 0.6× 10.9k 2.2× 1.2k 0.4× 195 17.3k
David J. Beerling 6.5k 0.7× 2.5k 0.4× 3.8k 0.6× 6.0k 1.2× 2.0k 0.6× 287 19.8k
F. A. Bazzaz 12.2k 1.4× 10.6k 1.5× 7.3k 1.2× 8.0k 1.6× 1.2k 0.4× 260 22.5k
Mark Westoby 14.6k 1.7× 26.7k 3.7× 17.0k 2.8× 12.6k 2.5× 2.2k 0.7× 282 43.1k
David D. Ackerly 7.8k 0.9× 19.4k 2.7× 14.4k 2.4× 8.4k 1.7× 3.0k 1.0× 175 33.8k
F. I. Woodward 9.0k 1.0× 6.9k 1.0× 3.7k 0.6× 11.9k 2.4× 2.0k 0.7× 186 23.4k

Countries citing papers authored by Karl J. Niklas

Since Specialization
Citations

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

Fields of papers citing papers by Karl J. Niklas

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Karl J. Niklas. 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 Karl J. Niklas. The network helps show where Karl J. Niklas may publish in the future.

Co-authorship network of co-authors of Karl J. Niklas

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

All Works

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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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Rankless by CCL
2026