Michael D. Cramer

9.9k total citations · 4 hit papers
155 papers, 7.2k citations indexed

About

Michael D. Cramer is a scholar working on Nature and Landscape Conservation, Plant Science and Global and Planetary Change. According to data from OpenAlex, Michael D. Cramer has authored 155 papers receiving a total of 7.2k indexed citations (citations by other indexed papers that have themselves been cited), including 72 papers in Nature and Landscape Conservation, 68 papers in Plant Science and 50 papers in Global and Planetary Change. Recurrent topics in Michael D. Cramer's work include Ecology and Vegetation Dynamics Studies (67 papers), Plant nutrient uptake and metabolism (35 papers) and Plant Water Relations and Carbon Dynamics (34 papers). Michael D. Cramer is often cited by papers focused on Ecology and Vegetation Dynamics Studies (67 papers), Plant nutrient uptake and metabolism (35 papers) and Plant Water Relations and Carbon Dynamics (34 papers). Michael D. Cramer collaborates with scholars based in South Africa, Australia and United States. Michael D. Cramer's co-authors include Heidi‐Jayne Hawkins, Hans Lambers, G. Anthony Verboom, Tony Miller, Michael W. Shane, William J. Bond, Stuart J. Pearse, Erik J. Veneklaas, D. A. Watt and Alistair J. McCormick and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Nature Communications and PLoS ONE.

In The Last Decade

Michael D. Cramer

153 papers receiving 7.0k citations

Hit Papers

Root Structure and Functioning for Efficient Acquisition ... 2005 2026 2012 2019 2006 2005 2015 2018 250 500 750
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.

  1. Root Structure and Functioning for Efficient Acquisition of Phosphorus: Matching Morphological and Physiological Traits
    2006 976 citations Michael D. Cramer et al. Annals of Botany profile →
  2. Root Nitrogen Acquisition and Assimilation
    2005 525 citations Michael D. Cramer et al. profile →
  3. Ecological interpretations of nitrogen isotope ratios of terrestrial plants and soils
    2015 463 citations Michael D. Cramer et al. profile →
  4. Drivers of woody plant encroachment over Africa
    2018 244 citations Zander S. Venter, Michael D. Cramer et al. Nature Communications profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Michael D. Cramer South Africa 43 3.9k 2.0k 1.9k 1.5k 1.3k 155 7.2k
Erik J. Veneklaas Australia 51 6.0k 1.5× 1.8k 0.9× 2.0k 1.1× 2.3k 1.5× 920 0.7× 166 9.4k
Michael McCormack United States 41 4.4k 1.1× 2.4k 1.2× 2.1k 1.1× 3.1k 2.0× 1.1k 0.8× 88 7.1k
Ivano Brunner Switzerland 39 2.8k 0.7× 1.3k 0.6× 1.2k 0.6× 1.4k 0.9× 1.2k 0.9× 138 5.8k
H. Wayne Polley United States 47 3.1k 0.8× 2.6k 1.3× 3.3k 1.8× 1.7k 1.1× 2.5k 1.9× 143 8.0k
Robert S. Nowak United States 39 2.8k 0.7× 1.9k 1.0× 2.5k 1.4× 990 0.6× 1.8k 1.3× 111 5.6k
Dali Guo China 40 4.6k 1.2× 3.4k 1.7× 2.9k 1.5× 3.9k 2.5× 1.4k 1.1× 72 8.8k
Mai‐He Li China 47 2.0k 0.5× 2.0k 1.0× 2.4k 1.3× 1.7k 1.1× 1.4k 1.0× 300 6.4k
James H. Richards United States 47 4.2k 1.1× 2.7k 1.4× 3.7k 2.0× 1.4k 0.9× 1.7k 1.3× 116 8.5k
Grégoire T. Freschet France 36 2.6k 0.7× 2.9k 1.4× 1.5k 0.8× 2.5k 1.6× 1.4k 1.0× 62 6.3k
Marc Estiarte Spain 47 2.8k 0.7× 2.1k 1.1× 3.1k 1.7× 1.8k 1.2× 2.0k 1.5× 87 6.9k

Countries citing papers authored by Michael D. Cramer

Since Specialization
Citations

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

Fields of papers citing papers by Michael D. Cramer

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Michael D. Cramer. 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 Michael D. Cramer. The network helps show where Michael D. Cramer may publish in the future.

Co-authorship network of co-authors of Michael D. Cramer

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

All Works

20 of 20 papers shown
1.
Cramer, Michael D., et al.. (2025). The Contribution of Hydric Habitats to the Richness of the Cape Fynbos Flora. Diversity and Distributions. 31(1). 2 indexed citations
2.
Midgley, Jeremy J., et al.. (2024). Thirty years of stasis in the dynamics of the Knysna Afro‐montane forest, South Africa. Austral Ecology. 49(9). 1 indexed citations
3.
4.
Cramer, Michael D. & G. Anthony Verboom. (2023). Evidence that species richness begets species richness. Journal of Biogeography. 51(4). 659–674. 2 indexed citations
5.
Lu, Mingzhen, William J. Bond, Efrat Sheffer, et al.. (2022). Biome boundary maintained by intense belowground resource competition in world’s thinnest-rooted plant community. Proceedings of the National Academy of Sciences. 119(9). 22 indexed citations
6.
Cramer, Michael D., et al.. (2022). Positive feedbacks between savanna tree size and the nutritional characteristics of “Islands of fertility” are amplified by sociable weaver colonies. Journal of Arid Environments. 209. 104903–104903. 3 indexed citations
7.
Midgley, Jeremy J. & Michael D. Cramer. (2022). Unequal allocation between male versus female reproduction cannot explain extreme vegetative dimorphism in Aulax species (Cape Proteaceae). Scientific Reports. 12(1). 1407–1407. 6 indexed citations
8.
9.
Verboom, G. Anthony, et al.. (2021). The role of shade in maintaining alternative stable states between open‐ and closed‐canopy vegetation. Journal of Ecology. 109(11). 3835–3848. 5 indexed citations
10.
Venter, Zander S., Heidi‐Jayne Hawkins, Michael D. Cramer, & Anthony Mills. (2021). Mapping soil organic carbon stocks and trends with satellite-driven high resolution maps over South Africa. The Science of The Total Environment. 771. 145384–145384. 81 indexed citations
11.
Venter, Zander S., Michael D. Cramer, & Heidi‐Jayne Hawkins. (2018). Drivers of woody plant encroachment over Africa. Nature Communications. 9(1). 2272–2272. 244 indexed citations breakdown →
12.
13.
Matimati, Ignatious, G. Anthony Verboom, & Michael D. Cramer. (2014). Do hydraulic redistribution and nocturnal transpiration facilitate nutrient acquisition in Aspalathus linearis?. Oecologia. 175(4). 1129–1142. 25 indexed citations
14.
Cramer, Michael D. & Nichole N. Barger. (2013). Are Namibian “Fairy Circles” the Consequence of Self-Organizing Spatial Vegetation Patterning?. PLoS ONE. 8(8). e70876–e70876. 62 indexed citations
15.
Wakeling, Julia L., Michael D. Cramer, & William J. Bond. (2011). The savanna‐grassland ‘treeline’: why don’t savanna trees occur in upland grasslands?. Journal of Ecology. 100(2). 381–391. 63 indexed citations
16.
Biscara, Laurie, Thierry Mulder, E. Gonthier, et al.. (2010). Migrating submarine furrows on Gabonese margin (West Africa) from Miocene to present: influence of bottom currents?. Geotemas ( Madrid ). 21–22. 7 indexed citations
17.
Cramer, Michael D. & Aron Mazel. (2007). The past distribution of giraffe in KwaZulu-Natal : short communication. African Journal of Wildlife Research. 37(2). 197–201. 1 indexed citations
18.
McCormick, Alistair J., Michael D. Cramer, & D. A. Watt. (2007). Changes in Photosynthetic Rates and Gene Expression of Leaves during a Source–Sink Perturbation in Sugarcane. Annals of Botany. 101(1). 89–102. 72 indexed citations
19.
Cramer, Michael D., et al.. (1999). The effect of rhizosphere dissolved inorganic carbon on gas exchange characteristics and growth rates of tomato seedlings. Journal of Experimental Botany. 50(330). 79–87. 42 indexed citations
20.
Cramer, Michael D.. (1999). The effect of rhizosphere dissolved inorganic carbon on gas exchange characteristics and growth rates of tomato seedlings. Journal of Experimental Botany. 50(330). 79–87. 10 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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