Michael D. Cramer

9.9k citations

155 papers · 7.2k indexed · 4 hit papers · h-index 43

Impact in

Nature and Landscape Conservation top 0.5%
- Ecology and Vegetation Dynamics Studies
Soil Science top 0.5%
- Soil Carbon and Nitrogen Dynamics

Papers in ⓘ

Nature and Landscape Conservation 72
- Ecology and Vegetation Dynamics Studies 67
Soil Science 30
- Soil Carbon and Nitrogen Dynamics 27

Co-authors: Heidi‐Jayne Hawkins (17 shared papers)Hans Lambers (10 shared papers)G. Anthony Verboom (20 shared papers)Tony Miller (1 shared paper)Michael W. Shane (7 shared papers)William J. Bond (18 shared papers)Erik J. Veneklaas (1 shared paper)Stuart J. Pearse (1 shared paper)
Journals: Plant and Soil (17 papers)Annals of Botany (7 papers)Plant Ecology (7 papers)Journal of Experimental Botany (7 papers)New Phytologist (7 papers)
Partner nations: South Africa Australia United States

In The Last Decade

Michael D. Cramer

153 papers receiving 7.0k citations

Hit Papers

align trajectories log scale

Drivers of woody plant encroachment over Africa 2018 · 244 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2018 Nature Communications
2015 Plant and Soil
2006 Annals of Botany
2005 Plant and Soil

Peers

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-authors

The 25 scholars most cited alongside Michael D. Cramer, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Michael D. Cramer Line = papers co-authored together Michael D. Cramer links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 155 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	Root Structure and Functioning for Efficient Acquisition of Phosphorus: Matching Morphological and Physiological Traits Annals of Botany ·Hans Lambers, Michael W. Shane, Michael D. Cramer, Stuart J. Pearse, Erik J. Veneklaas Hit paper breakdown →	2006	976
2	Root Nitrogen Acquisition and Assimilation Plant and Soil ·Tony Miller, Michael D. Cramer Hit paper breakdown →	2005	525
3	Ecological interpretations of nitrogen isotope ratios of terrestrial plants and soils Plant and Soil ·Joseph M. Craine, E. N. Jack Brookshire, Michael D. Cramer, Niles J. Hasselquist, Keisuke Koba, E. Marín-Spiotta, Lixin Wang Hit paper breakdown →	2015	463
4	The importance of nutritional regulation of plant water flux Oecologia ·Michael D. Cramer, Heidi‐Jayne Hawkins, G. Anthony Verboom	2009	274
5	Drivers of woody plant encroachment over Africa Nature Communications ·Zander S. Venter, Michael D. Cramer, Heidi‐Jayne Hawkins Hit paper breakdown →	2018	244
6	Soil microbial biomass and the fate of phosphorus during long-term ecosystem development Plant and Soil ·Benjamin L. Turner, Hans Lambers, Leo M. Condron, Michael D. Cramer, Jonathan R. Leake, Alan E. Richardson, Sally E. Smith	2012	183
7	Sink strength regulates photosynthesis in sugarcane New Phytologist ·Alistair J. McCormick, Michael D. Cramer, D. A. Watt	2006	170
8	Ecophysiological significance of leaf size variation in Proteaceae from the Cape Floristic Region Functional Ecology ·M.J. Yates, G. Anthony Verboom, Anthony G. Rebelo, Michael D. Cramer	2009	153
9	Juggling carbon: allocation patterns of a dominant tree in a fire-prone savanna Oecologia ·Alexander Ernest Noel Schutz, William J. Bond, Michael D. Cramer	2009	131
10	Developmental Physiology of Cluster-Root Carboxylate Synthesis and Exudation in Harsh Hakea. Expression of Phosphoenolpyruvate Carboxylase and the Alternative Oxidase PLANT PHYSIOLOGY ·Michael W. Shane, Michael D. Cramer, Sachiko Funayama‐Noguchi, Gregory R. Cawthray, A. Harvey Millar, David A. Day, Hans Lambers	2004	129
11	The Influence of Nitrate and Ammonium Nutrition on the Growth of Wheat (Triticum aestivum) and Maize (Zea mays) Plants Annals of Botany ·Michael D. Cramer	1993	117
12	Nitrogen regulation of transpiration controls mass-flow acquisition of nutrients Journal of Experimental Botany ·Ignatious Matimati, G. Anthony Verboom, Michael D. Cramer	2013	112
13	Supply and demand: sink regulation of sugar accumulation in sugarcane Journal of Experimental Botany ·Alistair J. McCormick, D. A. Watt, Michael D. Cramer	2008	109
14	Nutrient availability moderates transpiration in Ehrharta calycina New Phytologist ·Michael D. Cramer, Vera Hoffmann, G. Anthony Verboom	2008	100
15	Specialized ‘dauciform’ roots of Cyperaceae are structurally distinct, but functionally analogous with ‘cluster’ roots Plant Cell & Environment ·Michael W. Shane, Gregory R. Cawthray, Michael D. Cramer, John Kuo, Hans Lambers	2006	98
16	Ecophysiological traits associated with the competitive ability of invasive Australian acacias Diversity and Distributions ·Taryn L. Morris, Karen J. Esler, Nichole N. Barger, Shayne M. Jacobs, Michael D. Cramer	2011	93
17	Growth of N₂‐fixing African savanna Acacia species is constrained by below‐ground competition with grass Journal of Ecology ·Michael D. Cramer, A. Van Cauter, William J. Bond	2009	84
18	Mapping soil organic carbon stocks and trends with satellite-driven high resolution maps over South Africa The Science of The Total Environment ·Zander S. Venter, Heidi‐Jayne Hawkins, Michael D. Cramer, Anthony Mills	2021	81
19	Grass competition induces N₂ fixation in some species of African Acacia Journal of Ecology ·Michael D. Cramer, S.B.M. Chimphango, A. Van Cauter, Matthew Waldram, William J. Bond	2007	77
20	Changes in Photosynthetic Rates and Gene Expression of Leaves during a Source–Sink Perturbation in Sugarcane Annals of Botany ·Alistair J. McCormick, Michael D. Cramer, D. A. Watt	2007	72

About Michael D. Cramer

Michael D. Cramer is a scholar working on Nature and Landscape Conservation, Soil Science, Archeology, Global and Planetary Change and Ecological Modeling, having authored 155 papers that have together received 7.2k indexed citations. Recurring topics across this work include Ecology and Vegetation Dynamics Studies (67 papers), Plant nutrient uptake and metabolism (35 papers), Plant Water Relations and Carbon Dynamics (34 papers), Soil Carbon and Nitrogen Dynamics (27 papers), Plant and animal studies (20 papers), Legume Nitrogen Fixing Symbiosis (14 papers), Plant responses to elevated CO2 (14 papers) and Plant Stress Responses and Tolerance (12 papers). The work is most often cited by research in Nature and Landscape Conservation (2.0k citations), Soil Science (1.5k citations), Plant Science (3.9k citations), Global and Planetary Change (1.9k citations) and Ecological Modeling (250 citations). Michael D. Cramer has collaborated with scholars based in South Africa, Australia and United States. Frequent co-authors include Heidi‐Jayne Hawkins, Hans Lambers, G. Anthony Verboom, Tony Miller, Michael W. Shane, William J. Bond, Erik J. Veneklaas, Stuart J. Pearse, D. A. Watt and Alistair J. McCormick. Their work appears in journals such as Plant and Soil, Annals of Botany, Plant Ecology, Journal of Experimental Botany and New Phytologist.

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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