A. Joseph Pollard

3.3k total citations · 1 hit paper
33 papers, 2.5k citations indexed

About

A. Joseph Pollard is a scholar working on Plant Science, Ecology, Evolution, Behavior and Systematics and Pollution. According to data from OpenAlex, A. Joseph Pollard has authored 33 papers receiving a total of 2.5k indexed citations (citations by other indexed papers that have themselves been cited), including 24 papers in Plant Science, 15 papers in Ecology, Evolution, Behavior and Systematics and 12 papers in Pollution. Recurrent topics in A. Joseph Pollard's work include Plant Stress Responses and Tolerance (13 papers), Heavy metals in environment (12 papers) and Aluminum toxicity and tolerance in plants and animals (7 papers). A. Joseph Pollard is often cited by papers focused on Plant Stress Responses and Tolerance (13 papers), Heavy metals in environment (12 papers) and Aluminum toxicity and tolerance in plants and animals (7 papers). A. Joseph Pollard collaborates with scholars based in United States, United Kingdom and Australia. A. Joseph Pollard's co-authors include Alan J. M. Baker, Roger D. Reeves, Antony van der Ent, Henk Schat, J. Andrew C. Smith, Frances A. Harper, David Briggs, Guillaume Echevarria, Peter D. Erskine and Heather Stewart and has published in prestigious journals such as Scientific Reports, New Phytologist and Oecologia.

In The Last Decade

A. Joseph Pollard

31 papers receiving 2.4k 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.

Hyperaccumulators of metal and metalloid trace elements: Facts and fiction

2012 1.1k citations Antony van der Ent, Alan J. M. Baker et al. Plant and Soil profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
A. Joseph Pollard United States	19	1.6k	1.2k	538	411	260	33	2.5k
A. J. M. Baker United States	12	2.1k 1.4×	1.7k 1.4×	405 0.8×	509 1.2×	315 1.2×	22	3.2k
Wilfried H. O. Ernst Netherlands	21	1.5k 1.0×	783 0.6×	211 0.4×	204 0.5×	103 0.4×	31	2.0k
Rosanna Ginocchio Chile	26	811 0.5×	1000 0.8×	263 0.5×	186 0.5×	263 1.0×	84	2.0k
Abdul Ghaffar Khan Pakistan	22	1.7k 1.1×	819 0.7×	237 0.4×	128 0.3×	115 0.4×	54	2.5k
Nishanta Rajakaruna United States	26	1.4k 0.9×	1.0k 0.8×	925 1.7×	250 0.6×	188 0.7×	97	3.2k
R. L. Chaney United States	14	2.2k 1.4×	977 0.8×	156 0.3×	218 0.5×	165 0.6×	25	2.9k
Mitch M. Lasat United States	16	2.5k 1.6×	1.9k 1.6×	196 0.4×	476 1.2×	259 1.0×	21	3.7k
Fabrizio Pietrini Italy	28	1.7k 1.1×	920 0.8×	148 0.3×	247 0.6×	103 0.4×	57	2.6k
Steven N. Whiting Australia	17	1.2k 0.8×	810 0.7×	147 0.3×	163 0.4×	147 0.6×	20	1.8k
Daniela Pavlı́ková Czechia	28	1.4k 0.9×	927 0.8×	146 0.3×	246 0.6×	155 0.6×	110	2.2k

Countries citing papers authored by A. Joseph Pollard

Since Specialization

Citations

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

Fields of papers citing papers by A. Joseph Pollard

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by A. Joseph Pollard. 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 A. Joseph Pollard. The network helps show where A. Joseph Pollard may publish in the future.

Co-authorship network of co-authors of A. Joseph Pollard

This figure shows the co-authorship network connecting the top 25 collaborators of A. Joseph Pollard. A scholar is included among the top collaborators of A. Joseph Pollard 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 A. Joseph Pollard. A. Joseph Pollard 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

Ent, Antony van der, et al.. (2024). Herbarium and field studies of nickel hyperaccumulator plants from ultramafic soils in Guatemala. Ecological Research. 39(6). 838–851. 1 indexed citations

Ent, Antony van der, Shota Sakaguchi, Robert S. Boyd, et al.. (2024). Recent advances in the study of serpentine plants and ecosystems: Perspectives from the 10th International Conference on Serpentine Ecology, France. Ecological Research. 39(4). 411–415.

Pollard, A. Joseph, et al.. (2024). Nickel hyperaccumulation in Orthion and Mayanaea (Violaceae) from Mesoamerica. Ecological Research. 39(6). 879–893. 1 indexed citations

Pollard, A. Joseph. (2022). Inadvertent uptake of trace elements and its role in the physiology and evolution of hyperaccumulators. Plant and Soil. 483(1-2). 711–719. 8 indexed citations

Pollard, A. Joseph, et al.. (2021). Blepharidium guatemalense, an obligate nickel hyperaccumulator plant from non-ultramafic soils in Mexico. Chemoecology. 31(3). 169–187. 10 indexed citations

Ent, Antony van der, Guillaume Echevarria, A. Joseph Pollard, & Peter D. Erskine. (2019). X-Ray Fluorescence Ionomics of Herbarium Collections. Scientific Reports. 9(1). 4746–4746. 62 indexed citations

Taylor, Charlotte M., et al.. (2019). Phylogenetic and geographic distribution of nickel hyperaccumulation in neotropical Psychotria. American Journal of Botany. 106(10). 1377–1385. 22 indexed citations

Pollard, A. Joseph, et al.. (2017). Interactions of the manganese hyperaccumulator Phytolacca americana L. with soil pH and phosphate. Ecological Research. 33(4). 749–755. 30 indexed citations

Smith, J. Andrew C., et al.. (2016). Evolution of nickel hyperaccumulation and serpentine adaptation in the Alyssum serpyllifolium species complex. Heredity. 118(1). 31–41. 28 indexed citations

10.

Ent, Antony van der, Alan J. M. Baker, Roger D. Reeves, A. Joseph Pollard, & Henk Schat. (2015). Commentary: Toward a more physiologically and evolutionarily relevant definition of metal hyperaccumulation in plants. Frontiers in Plant Science. 6. 554–554. 35 indexed citations

11.

Pollard, A. Joseph, Roger D. Reeves, & Alan J. M. Baker. (2013). Facultative hyperaccumulation of heavy metals and metalloids. Plant Science. 217-218. 8–17. 256 indexed citations

12.

Baker, Alan J. M., et al.. (2003). Spread of metals through an invertebrate food chain as influenced by a plant that hyperaccumulates nickel. Chemoecology. 13(2). 103–108. 40 indexed citations

13.

Pollard, A. Joseph. (2000). Metal hyperaccumulation: a model system for coevolutionary studies. New Phytologist. 146(2). 179–181. 60 indexed citations

14.

Pollard, A. Joseph & Alan J. M. Baker. (1996). Quantitative genetics of zinc hyperaccumulation in Thlaspi caerulescens. New Phytologist. 132(1). 113–118. 56 indexed citations

15.

Pollard, A. Joseph, Robert S. Fritz, & Ellen L. Simms. (1992). The importance of deterrence: responses of grazing animals to plant variation.. 216–239. 24 indexed citations

16.

Pollard, A. Joseph, et al.. (1991). Chemical contents of stinging trichomes ofCnidoscolus texanus. Journal of Chemical Ecology. 17(9). 1909–1916. 8 indexed citations

17.

Pollard, A. Joseph, et al.. (1990). Allelochemicals in soil from no-tillage versus conventional-tillage wheat (Triticum aestivum) fields. Journal of Chemical Ecology. 16(7). 2277–2289. 16 indexed citations

18.

Pollard, A. Joseph. (1986). Variation in Cnidoscolus texanus in relation to herbivory. Oecologia. 70(3). 411–413. 17 indexed citations

19.

Pollard, A. Joseph & David Briggs. (1984). GENECOLOGICAL STUDIES OFURTICA DIOICAL.. New Phytologist. 97(3). 507–522. 45 indexed citations

20.

Pollard, A. Joseph. (1980). DIVERSITY OF METAL TOLERANCES IN PLANT AGO LANCEOLATA L. FROM THE SOUTHEASTERN UNITED STATES. New Phytologist. 86(1). 109–117. 40 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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