W. John O’Brien

6.4k total citations · 1 hit paper
84 papers, 5.1k citations indexed

About

W. John O’Brien is a scholar working on Nature and Landscape Conservation, Environmental Chemistry and Ecology. According to data from OpenAlex, W. John O’Brien has authored 84 papers receiving a total of 5.1k indexed citations (citations by other indexed papers that have themselves been cited), including 45 papers in Nature and Landscape Conservation, 39 papers in Environmental Chemistry and 34 papers in Ecology. Recurrent topics in W. John O’Brien's work include Fish Ecology and Management Studies (44 papers), Aquatic Ecosystems and Phytoplankton Dynamics (36 papers) and Marine and coastal ecosystems (15 papers). W. John O’Brien is often cited by papers focused on Fish Ecology and Management Studies (44 papers), Aquatic Ecosystems and Phytoplankton Dynamics (36 papers) and Marine and coastal ecosystems (15 papers). W. John O’Brien collaborates with scholars based in United States, Canada and Russia. W. John O’Brien's co-authors include Gary L. Vinyard, George W. Kling, Howard I. Browman, Barbara I. Evans, Chris Luecke, David Wright, Brian Fry, Ray W. Drenner, J. Rudi Strickler and Gregory L. Howick and has published in prestigious journals such as Science, Ecology and Limnology and Oceanography.

In The Last Decade

W. John O’Brien

82 papers receiving 4.3k 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.

Effects of Light and Turbidity on the Reactive Distance of Bluegill (Lepomis macrochirus)

1976 366 citations Gary L. Vinyard, W. John O’Brien Journal of the Fisheries Research Board of Canada profile →

Peers

Countries citing papers authored by W. John O’Brien

Since Specialization

Citations

This map shows the geographic impact of W. John 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 W. John 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 W. John O’Brien more than expected).

Fields of papers citing papers by W. John O’Brien

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of W. John O’Brien

This figure shows the co-authorship network connecting the top 25 collaborators of W. John O’Brien. A scholar is included among the top collaborators of W. John 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 W. John O’Brien. W. John O’Brien 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

#	Work	Indexed citations
1	Climate‐related variations in mixing dynamics in an Alaskan arctic lake 2009 ·Limnology and Oceanography ·Sally MacIntyre, Jonathan P. Fram, Paul J. Kushner, Neil D. Bettez, W. John O’Brien, John E. Hobbie, George W. Kling	97
2	Vertical and temporal distribution of two copepod species, Cyclops scutifer and Diaptomus pribilofensis, in 24 h arctic daylight 2007 ·Journal of Plankton Research ·(unknown), W. John O’Brien, Sally MacIntyre	11
3	Effects of large lake trout (Salvelinus namaycush) on the dietary habits of small lake trout: a comparison of stable isotopes (δ15N and δ13C) and stomach content analyses 2006 ·Hydrobiologia ·(unknown), Kenneth Fortino, Anne E. Hershey, W. John O’Brien, (unknown), Chris Luecke, Michael E. McDonald	12
4	Long-term Changes in del 13C in DOC-based Benthic Food Webs in Arctic Lakes 2005 ·AGUSM ·Anne E. Hershey, W. John O’Brien, Kenneth Fortino, (unknown), (unknown), (unknown), Michael E. McDonald, Chris Luecke, Stephen C. Whalen	1
5	Long-term impact of an invertebrate predator, Heterocope septentrionalis, on an arctic pond zooplankton community 2001 ·Freshwater Biology ·W. John O’Brien	8
6	The geomorphic—trophic hypothesis for arctic lake food webs 2000 ·SIL Proceedings 1922-2010 ·Anne E. Hershey, Gretchen M. Gettel, Michael E. McDonald, Margaret W. Miller, Howard D. Mooers, W. John O’Brien, John Pastor, Carl Richards, (unknown)	1
7	Search Strategies of Foraging Animals 1990 ·W. John O’Brien, Howard I. Browman, Barbara I. Evans	213
8	Correlation between Histological and Behavioral Measures of Visual Acuity in a Zooplanktivorous Fish, the White Crappie <i>(Pomoxis annularis)</i> 1990 ·Brain Behavior and Evolution ·Howard I. Browman, William C. Gordon, Barbara I. Evans, W. John O’Brien	55
9	Flexible search tactics and efficient foraging in saltatory searching animals 1989 ·Oecologia ·W. John O’Brien, Barbara I. Evans, Howard I. Browman	128
10	Foraging behavior of the predaceous cladoceran, Leptodora kindti, and escape responses of their prey 1989 ·Journal of Plankton Research ·Howard I. Browman, (unknown), W. John O’Brien	76
11	Apparent size choice of zooplankton by planktivorous sunfish: exceptions to the rule 1985 ·Environmental Biology of Fishes ·W. John O’Brien, Barbara I. Evans, Chris Luecke	25
12	The Development and Field Test of a Tactical Model of the Planktivorous Feeding of White Crappie (Pomoxis Annularis) 1984 ·Ecological Monographs ·David Wright, W. John O’Brien	108
13	The effect of Heterocope predation on zooplankton communities in arctic ponds1 1983 ·Limnology and Oceanography ·Chris Luecke, W. John O’Brien	47
14	Prey Location Volume of a Planktivorous Fish: A New Measure of Prey Vulnerability 1981 ·Canadian Journal of Fisheries and Aquatic Sciences ·Chris Luecke, W. John O’Brien	59
15	Re-Evaluation of the Taxonomy of Daphnia Longiremis Sars, 1862 (Cladocera): Description of a New Morph From Alaska 1980 ·Crustaceana ·Howard P. Riessen, W. John O’Brien	5
16	Arctic Zooplankton Community Structure: Exceptions to Some General Rules 1979 ·ARCTIC ·W. John O’Brien, Claire Buchanan, James F. Haney	53
17	The Predator-Prey Interaction of Planktivorous Fish and Zooplankton 1979 ·W. John O’Brien	282
18	Effect of Varying Oxygen Concentrations on the Filtering Rate of Daphnia Pulex 1976 ·Ecology ·(unknown), W. John O’Brien	62
19	Effects of Light and Turbidity on the Reactive Distance of Bluegill (Lepomis macrochirus) breakdown → 1976 ·Journal of the Fisheries Research Board of Canada ·Gary L. Vinyard, W. John O’Brien	366
20	Dorsal Light Response as an Index of Prey Preference in Bluegill (Lepomis macrochirus) 1975 ·Journal of the Fisheries Research Board of Canada ·Gary L. Vinyard, W. John O’Brien	26

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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