Michael J. O’Brien

5.6k total citations · 1 hit paper
69 papers, 1.9k citations indexed

About

Michael J. O’Brien is a scholar working on Nature and Landscape Conservation, Plant Science and Global and Planetary Change. According to data from OpenAlex, Michael J. O’Brien has authored 69 papers receiving a total of 1.9k indexed citations (citations by other indexed papers that have themselves been cited), including 31 papers in Nature and Landscape Conservation, 16 papers in Plant Science and 16 papers in Global and Planetary Change. Recurrent topics in Michael J. O’Brien's work include Ecology and Vegetation Dynamics Studies (28 papers), Plant Water Relations and Carbon Dynamics (11 papers) and Plant and animal studies (11 papers). Michael J. O’Brien is often cited by papers focused on Ecology and Vegetation Dynamics Studies (28 papers), Plant Water Relations and Carbon Dynamics (11 papers) and Plant and animal studies (11 papers). Michael J. O’Brien collaborates with scholars based in Spain, Switzerland and United States. Michael J. O’Brien's co-authors include Andy Hector, Christopher D. Philipson, John Tay, Sebastian Leuzinger, R. Lee Lyman, Robert C. Dunnell, Glen Reynolds, Bernhard Schmid, Robert C. Ong and Francisco I. Pugnaire and has published in prestigious journals such as Nucleic Acids Research, PLoS ONE and Ecology.

In The Last Decade

Michael J. O’Brien

67 papers receiving 1.8k citations

Hit Papers

align trajectories sort by overperformance

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.

Drought survival of tropical tree seedlings enhanced by non-structural carbohydrate levels

2014 390 citations Michael J. O’Brien, Christopher D. Philipson et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Michael J. O’Brien Spain	23	901	824	578	296	289	69	1.9k
Leslie W. Powrie South Africa	17	934 1.0×	414 0.5×	372 0.6×	654 2.2×	122 0.4×	33	1.9k
Craig Morris South Africa	22	789 0.9×	345 0.4×	298 0.5×	683 2.3×	54 0.2×	82	1.5k
John C. Tweddle United Kingdom	11	872 1.0×	200 0.2×	792 1.4×	394 1.3×	166 0.6×	18	2.0k
Maximina Monasterio Venezuela	12	366 0.4×	236 0.3×	221 0.4×	335 1.1×	113 0.4×	34	1.1k
Marcelo R. Zak Argentina	12	636 0.7×	603 0.7×	385 0.7×	406 1.4×	45 0.2×	15	1.5k
Andrew M. Sugden United States	18	631 0.7×	442 0.5×	317 0.5×	537 1.8×	78 0.3×	153	1.9k
Cecilia Smith‐Ramírez Chile	23	797 0.9×	557 0.7×	463 0.8×	596 2.0×	79 0.3×	76	1.9k
George Eiten Brazil	10	538 0.6×	359 0.4×	303 0.5×	372 1.3×	46 0.2×	13	1.5k
Óscar Alberto Aguirre Calderón Mexico	17	835 0.9×	434 0.5×	123 0.2×	202 0.7×	81 0.3×	198	1.4k
Julieta A. Rosell Mexico	26	1.2k 1.3×	1.2k 1.4×	590 1.0×	278 0.9×	549 1.9×	50	2.3k

Countries citing papers authored by Michael J. O’Brien

Since Specialization

Citations

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

Fields of papers citing papers by Michael J. O’Brien

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Michael J. O’Brien. 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 J. O’Brien. The network helps show where Michael J. O’Brien may publish in the future.

Co-authorship network of co-authors of Michael J. O’Brien

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

O’Brien, Michael J., Andy Hector, Robert C. Ong, & Christopher D. Philipson. (2024). Tree growth and survival are more sensitive to high rainfall than drought in an aseasonal forest in Malaysia. Communications Earth & Environment. 5(1). 4 indexed citations

Bartholomew, David C., David F. R. P. Burslem, Paulo Bittencourt, et al.. (2024). Bornean tropical forests recovering from logging at risk of regeneration failure. Global Change Biology. 30(3). e17209–e17209. 6 indexed citations

O’Brien, Michael J., Jared M. Schrader, & Athar Ansari. (2024). TFIIB–Termination Factor Interaction Affects Termination of Transcription on Genome-Wide Scale. International Journal of Molecular Sciences. 25(16). 8643–8643.

Carrignon, Simon, R. Alexander Bentley, & Michael J. O’Brien. (2023). Estimating Two Key Dimensions of Cultural Transmission from Archaeological Data. SSRN Electronic Journal. 1 indexed citations

Cesarz, Simone, Dylan Craven, Harald Auge, et al.. (2022). Tree diversity effects on soil microbial biomass and respiration are context dependent across forest diversity experiments. Global Ecology and Biogeography. 31(5). 872–885. 29 indexed citations

Ordway, Elsa M., Gregory P. Asner, David F. R. P. Burslem, et al.. (2022). Mapping tropical forest functional variation at satellite remote sensing resolutions depends on key traits. Communications Earth & Environment. 3(1). 5 indexed citations

O’Brien, Michael J., et al.. (2020). Foundation species promote local adaptation and fine‐scale distribution of herbaceous plants. Journal of Ecology. 109(1). 191–203. 18 indexed citations

O’Brien, Michael J., et al.. (2020). The role of soluble sugars during drought in tropical tree seedlings with contrasting tolerances. Journal of Plant Ecology. 13(4). 389–397. 22 indexed citations

O’Brien, Michael J., et al.. (2019). RNA polymerase II plays an active role in the formation of gene loops through the Rpb4 subunit. Nucleic Acids Research. 47(17). 8975–8987. 33 indexed citations

10.

O’Brien, Michael J., Luís Fernando Tavares de Menezes, Kari Anne Bråthen, Gianalberto Losapio, & Francisco I. Pugnaire. (2019). Facilitation mediates species presence beyond their environmental optimum. Perspectives in Plant Ecology Evolution and Systematics. 38. 24–30. 16 indexed citations

11.

Losapio, Gianalberto, Francisco I. Pugnaire, Michael J. O’Brien, & Christian Schöb. (2018). Plant life history stage and nurse age change the development of ecological networks in an arid ecosystem. Oikos. 127(9). 1390–1397. 18 indexed citations

12.

McKay, John, et al.. (2018). Within‐species trade‐offs in plant‐stimulated soil enzyme activity and growth, flowering, and seed size. Ecology and Evolution. 8(23). 11717–11724. 8 indexed citations

13.

O’Brien, Michael J., Robert C. Ong, & Glen Reynolds. (2017). Intra‐annual plasticity of growth mediates drought resilience over multiple years in tropical seedling communities. Global Change Biology. 23(10). 4235–4244. 28 indexed citations

14.

O’Brien, Michael J., Bettina M. J. Engelbrecht, Julia Joswig, et al.. (2017). A synthesis of tree functional traits related to drought‐induced mortality in forests across climatic zones. Journal of Applied Ecology. 54(6). 1669–1686. 162 indexed citations

15.

Iturrate‐Garcia, Maitane, et al.. (2016). Interactive effects between plant functional types and soil factors on tundra species diversity and community composition. Ecology and Evolution. 6(22). 8126–8137. 22 indexed citations

16.

VanPool, Todd L. & Michael J. O’Brien. (2013). Sociopolitical Complexity and the Bow and Arrow in the American Southwest. Evolutionary Anthropology Issues News and Reviews. 22(3). 111–117. 19 indexed citations

17.

O’Brien, Michael J., David P. Braun, Bennet Bronson, et al.. (1987). Sedentism, Population Growth, and Resource Selection in the Woodland Midwest: A Review of Coevolutionary Developments [and Comments and Reply]. Current Anthropology. 28(2). 177–197. 37 indexed citations

18.

O’Brien, Michael J., et al.. (1974). The Homeric Imagination. Phoenix. 28(3). 358–358. 6 indexed citations

19.

O’Brien, Michael J. & Léo Strauss. (1967). Socrates and Aristophanes. Phoenix. 21(3). 231–231. 36 indexed citations

20.

O’Brien, Michael J.. (1961). The "Fallacy" in Protagoras 349D-350C. Transactions and Proceedings of the American Philological Association. 92. 408–408. 4 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.

Explore authors with similar magnitude of impact