John P. Ryan

9.2k total citations · 1 hit paper
146 papers, 6.1k citations indexed

About

John P. Ryan is a scholar working on Oceanography, Ecology and Global and Planetary Change. According to data from OpenAlex, John P. Ryan has authored 146 papers receiving a total of 6.1k indexed citations (citations by other indexed papers that have themselves been cited), including 111 papers in Oceanography, 60 papers in Ecology and 34 papers in Global and Planetary Change. Recurrent topics in John P. Ryan's work include Marine and coastal ecosystems (71 papers), Marine animal studies overview (31 papers) and Oceanographic and Atmospheric Processes (31 papers). John P. Ryan is often cited by papers focused on Marine and coastal ecosystems (71 papers), Marine animal studies overview (31 papers) and Oceanographic and Atmospheric Processes (31 papers). John P. Ryan collaborates with scholars based in United States, Australia and Germany. John P. Ryan's co-authors include Francisco P. Chávez, Salvador E. Lluch‐Cota, Raphael M. Kudela, Yanwu Zhang, James G. Bellingham, Christopher A. Scholin, Roman Marin, James A. Yoder, Paulo S. Polito and Christina M. Preston and has published in prestigious journals such as Science, Proceedings of the National Academy of Sciences and SHILAP Revista de lepidopterología.

In The Last Decade

John P. Ryan

140 papers receiving 5.8k citations

Hit Papers

From Anchovies to Sardines and Back: Multidecadal Change ... 2003 2026 2010 2018 2003 400 800 1.2k
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. From Anchovies to Sardines and Back: Multidecadal Change in the Pacific Ocean
    2003 1.3k citations Francisco P. Chávez, John P. Ryan et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
John P. Ryan United States 45 3.7k 2.5k 2.0k 753 670 146 6.1k
Geir Johnsen Norway 43 3.0k 0.8× 2.0k 0.8× 829 0.4× 957 1.3× 563 0.8× 145 5.4k
Peter J. S. Franks United States 40 5.1k 1.4× 1.9k 0.8× 2.7k 1.3× 741 1.0× 1.3k 1.9× 130 6.7k
Mark A. Moline United States 37 2.5k 0.7× 1.7k 0.7× 992 0.5× 391 0.5× 744 1.1× 124 4.4k
André Visser Denmark 40 2.6k 0.7× 1.8k 0.7× 1.5k 0.7× 914 1.2× 305 0.5× 102 5.3k
Mark D. Ohman United States 51 5.7k 1.6× 3.6k 1.4× 3.8k 1.9× 759 1.0× 640 1.0× 163 8.8k
Henry A. Ruhl United Kingdom 33 2.4k 0.7× 2.1k 0.8× 1.2k 0.6× 292 0.4× 443 0.7× 108 4.2k
Brian J. Bett United Kingdom 40 3.4k 0.9× 2.7k 1.1× 1.6k 0.8× 343 0.5× 718 1.1× 124 5.2k
Jeffrey R. Koseff United States 51 3.5k 0.9× 2.6k 1.0× 1.6k 0.8× 341 0.5× 1.7k 2.5× 152 8.6k
Burton H. Jones Saudi Arabia 38 2.7k 0.7× 1.3k 0.5× 959 0.5× 613 0.8× 421 0.6× 152 4.5k
Veerle A.I. Huvenne United Kingdom 43 2.7k 0.7× 3.0k 1.2× 1.5k 0.7× 451 0.6× 1.2k 1.7× 143 5.9k

Countries citing papers authored by John P. Ryan

Since Specialization
Citations

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

Fields of papers citing papers by John P. Ryan

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John P. Ryan. 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 John P. Ryan. The network helps show where John P. Ryan may publish in the future.

Co-authorship network of co-authors of John P. Ryan

This figure shows the co-authorship network connecting the top 25 collaborators of John P. Ryan. A scholar is included among the top collaborators of John P. Ryan 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 John P. Ryan. John P. Ryan 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.
Oestreich, William K., Kelly J. Benoit‐Bird, Briana Abrahms, et al.. (2024). Evidence for seasonal migration by a cryptic top predator of the deep sea. Movement Ecology. 12(1). 65–65. 1 indexed citations
2.
Oestreich, William K., Matthew S. Savoca, Elliott L. Hazen, et al.. (2024). Long-distance communication can enable collective migration in a dynamic seascape. Scientific Reports. 14(1). 14857–14857. 4 indexed citations
3.
Brunson, John K., John P. Ryan, Clarissa R. Anderson, et al.. (2024). Molecular forecasting of domoic acid during a pervasive toxic diatom bloom. Proceedings of the National Academy of Sciences. 121(40). e2319177121–e2319177121. 11 indexed citations
4.
Bierlich, K. C., William K. Oestreich, Gustavo Chiang, et al.. (2023). Shaped by Their Environment: Variation in Blue Whale Morphology across Three Productive Coastal Ecosystems. Integrative Organismal Biology. 5(1). obad039–obad039. 7 indexed citations
5.
Oestreich, William K., Briana Abrahms, Megan F. McKenna, et al.. (2022). Acoustic signature reveals blue whales tune life‐history transitions to oceanographic conditions. Functional Ecology. 36(4). 882–895. 25 indexed citations
6.
Cade, David E., James A. Fahlbusch, William K. Oestreich, et al.. (2021). Social exploitation of extensive, ephemeral, environmentally controlled prey patches by supergroups of rorqual whales. Animal Behaviour. 182. 251–266. 22 indexed citations
7.
Oestreich, William K., James A. Fahlbusch, David E. Cade, et al.. (2020). Animal-Borne Metrics Enable Acoustic Detection of Blue Whale Migration. Current Biology. 30(23). 4773–4779.e3. 37 indexed citations
8.
9.
Ryan, John P., Danelle E. Cline, John E. Joseph, et al.. (2019). Humpback whale song occurrence reflects ecosystem variability in feeding and migratory habitat of the northeast Pacific. PLoS ONE. 14(9). e0222456–e0222456. 20 indexed citations
10.
Bowers, Holly A., John P. Ryan, Kendra Hayashi, et al.. (2018). Diversity and toxicity of Pseudo-nitzschia species in Monterey Bay: Perspectives from targeted and adaptive sampling. Harmful Algae. 78. 129–141. 30 indexed citations
11.
Ryan, John P., Raphael M. Kudela, James M. Birch, et al.. (2017). Causality of an extreme harmful algal bloom in Monterey Bay, California, during the 2014–2016 northeast Pacific warm anomaly. Geophysical Research Letters. 44(11). 5571–5579. 118 indexed citations
12.
Varaljay, Vanessa A., Julie Robidart, Christina M. Preston, et al.. (2015). Single-taxon field measurements of bacterial gene regulation controlling DMSP fate. The ISME Journal. 9(7). 1677–1686. 44 indexed citations
13.
Kudela, Raphael M., Clarissa R. Anderson, James M. Birch, et al.. (2015). Harmful Algal Bloom Hotspots Really Are Hot: A Case Study from Monterey Bay, California. AGU Fall Meeting Abstracts. 2015. 2 indexed citations
14.
Ottesen, Elizabeth A., Curtis R. Young, John M. Eppley, et al.. (2013). Pattern and synchrony of gene expression among sympatric marine microbial populations. Proceedings of the National Academy of Sciences. 110(6). E488–97. 140 indexed citations
15.
Godin, M. A., et al.. (2012). Localization and Tracking of Submerged Phytoplankton Bloom Patches by an Autonomous Underwater Vehicle. AGUFM. 2012. 1 indexed citations
16.
Das, Jnaneshwar, Frédéric Py, Tom O’Reilly, et al.. (2012). Coordinated Sampling of Dynamic Oceanographic Features with AUVs and Drifters. The International Journal of Robotics Research. 5 indexed citations
17.
McGann, Conor, Frédéric Py, Kanna Rajan, John P. Ryan, & R. Henthorn. (2008). Adaptive control for autonomous underwater vehicles. National Conference on Artificial Intelligence. 1319–1324. 48 indexed citations
18.
Py, Frédéric, et al.. (2007). Adaptive Water Sampling based on Unsupervised Clustering. AGU Fall Meeting Abstracts. 2007. 2 indexed citations
19.
Ryan, John P., Heidi M. Dierssen, Raphael M. Kudela, et al.. (2005). Coastal Ocean Physics and Red Tides: An Example from Monterey Bay, California. Oceanography. 18(2). 246–255. 53 indexed citations
20.
Ryan, John P., et al.. (2005). Coastal ocean physics and red tides. Oceanography. 18(2). 247–255. 6 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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