James J. Ruzicka

970 total citations · 1 hit paper
30 papers, 720 citations indexed

About

James J. Ruzicka is a scholar working on Global and Planetary Change, Oceanography and Nature and Landscape Conservation. According to data from OpenAlex, James J. Ruzicka has authored 30 papers receiving a total of 720 indexed citations (citations by other indexed papers that have themselves been cited), including 22 papers in Global and Planetary Change, 18 papers in Oceanography and 10 papers in Nature and Landscape Conservation. Recurrent topics in James J. Ruzicka's work include Marine and fisheries research (22 papers), Marine and coastal ecosystems (9 papers) and Fish Ecology and Management Studies (9 papers). James J. Ruzicka is often cited by papers focused on Marine and fisheries research (22 papers), Marine and coastal ecosystems (9 papers) and Fish Ecology and Management Studies (9 papers). James J. Ruzicka collaborates with scholars based in United States, South Africa and Argentina. James J. Ruzicka's co-authors include Richard D. Brodeur, John H. Steele, Thomas C. Wainwright, Scott M. Gallager, Mary Beth Decker, Kelly L. Robinson, William T. Peterson, Frank J. Hernandez, William M. Graham and Richard L. Radtke and has published in prestigious journals such as Nature Communications, PLoS ONE and Scientific Reports.

In The Last Decade

James J. Ruzicka

30 papers receiving 681 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.

Marine heatwaves disrupt ecosystem structure and function via altered food webs and energy flux

2024 44 citations Dylan Gomes, James J. Ruzicka et al. Nature Communications profile →

Peers

James J. Ruzicka

GPC

OCEAN

ECOLO

NLC

PALEO

Vesselina Mihneva Bulgaria

Juan‐Carlos Molinero Germany

Elizabeth A. Daly United States

MJ Gibbons South Africa

А. Н. Гришин United States

D. V. P. Conway United Kingdom

DL Breitburg United States

Vanesa Raya Spain

Grace Klein-Macphee United States

Carmen Barberá Spain

Vesselina Mihneva Bulgaria

James J. Ruzicka

458 ×1.1

GPC

253 ×0.8

OCEAN

294 ×1.1

ECOLO

117 ×0.6

NLC

111 ×0.5

PALEO

Citations per year, relative to James J. Ruzicka James J. Ruzicka (= 1×) peers Vesselina Mihneva

Countries citing papers authored by James J. Ruzicka

Since Specialization

Citations

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

Fields of papers citing papers by James J. Ruzicka

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by James J. Ruzicka. 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 James J. Ruzicka. The network helps show where James J. Ruzicka may publish in the future.

Co-authorship network of co-authors of James J. Ruzicka

This figure shows the co-authorship network connecting the top 25 collaborators of James J. Ruzicka. A scholar is included among the top collaborators of James J. Ruzicka 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 James J. Ruzicka. James J. Ruzicka 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

Gomes, Dylan, James J. Ruzicka, Lisa G. Crozier, et al.. (2024). Marine heatwaves disrupt ecosystem structure and function via altered food webs and energy flux. Nature Communications. 15(1). 1988–1988. 44 indexed citations breakdown →

Gomes, Dylan, James J. Ruzicka, Lisa G. Crozier, et al.. (2024). An updated end-to-end ecosystem model of the Northern California Current reflecting ecosystem changes due to recent marine heatwaves. PLoS ONE. 19(1). e0280366–e0280366. 9 indexed citations

Ruzicka, James J., Luciano M. Chiaverano, Marta Coll, et al.. (2024). The role of small pelagic fish in diverse ecosystems: knowledge gleaned from food-web models. Marine Ecology Progress Series. 741. 7–27. 8 indexed citations

Opdal, Anders Frugård, Richard D. Brodeur, Kristin Cieciel, et al.. (2019). Unclear associations between small pelagic fish and jellyfish in several major marine ecosystems. Scientific Reports. 9(1). 2997–2997. 12 indexed citations

Ruzicka, James J., Stephen Kasperski, Stephani G. Zador, & Amber Himes‐Cornell. (2019). Comparing the roles of Pacific halibut and arrowtooth flounder within the Gulf of Alaska ecosystem and fishing economy. Fisheries Oceanography. 28(5). 576–596. 5 indexed citations

Chiaverano, Luciano M., Kelly L. Robinson, James J. Ruzicka, et al.. (2018). Evaluating the role of large jellyfish and forage fishes as energy pathways, and their interplay with fisheries, in the Northern Humboldt Current System. Progress In Oceanography. 164. 28–36. 22 indexed citations

Ruzicka, James J., John H. Steele, K. H. Brink, Dian J. Gifford, & Frank Bahr. (2018). Understanding large-scale energy flows through end-to-end shelf ecosystems - the importance of physical context. Journal of Marine Systems. 187. 235–249. 7 indexed citations

Treasure, Anne M., et al.. (2017). A donor-driven approach to modelling anchovy-sardine dominance shifts in the southern Benguela ecosystem. Journal of Marine Systems. 188. 117–132. 1 indexed citations

Ruzicka, James J., Elizabeth A. Daly, & Richard D. Brodeur. (2016). Evidence that summer jellyfish blooms impact Pacific Northwest salmon production. Ecosphere. 7(4). 24 indexed citations

10.

Ruzicka, James J., K. H. Brink, Dian J. Gifford, & Frank Bahr. (2016). A physically coupled end-to-end model platform for coastal ecosystems: Simulating the effects of climate change and changing upwelling characteristics on the Northern California Current ecosystem. Ecological Modelling. 331. 86–99. 22 indexed citations

11.

Robinson, Kelly L., James J. Ruzicka, Frank J. Hernandez, et al.. (2015). Evaluating energy flows through jellyfish and gulf menhaden (Brevoortia patronus) and the effects of fishing on the northern Gulf of Mexico ecosystem. ICES Journal of Marine Science. 72(8). 2301–2312. 35 indexed citations

12.

Robinson, Kelly L., James J. Ruzicka, Mary Beth Decker, et al.. (2014). Jellyfish, Forage Fish, and the World's Major Fisheries. Oceanography. 27(4). 104–115. 65 indexed citations

13.

Ruzicka, James J., John H. Steele, Tosca Ballerini, Sarah Gaichas, & David G. Ainley. (2013). Dividing up the pie: Whales, fish, and humans as competitors. Progress In Oceanography. 116. 207–219. 22 indexed citations

14.

Ruzicka, James J., Richard D. Brodeur, Robert L. Emmett, et al.. (2012). Interannual variability in the Northern California Current food web structure: Changes in energy flow pathways and the role of forage fish, euphausiids, and jellyfish. Progress In Oceanography. 102. 19–41. 94 indexed citations

15.

Ruzicka, James J., Thomas C. Wainwright, & William T. Peterson. (2011). A model-based meso-zooplankton production index and its relation to the ocean survival of juvenile coho (Oncorhynchus kisutch). Fisheries Oceanography. 20(6). 544–559. 12 indexed citations

16.

Steele, John H. & James J. Ruzicka. (2011). Constructing end-to-end models using ECOPATH data. Journal of Marine Systems. 87(3-4). 227–238. 43 indexed citations

17.

Ruzicka, James J. & Scott M. Gallager. (2006). The saltatory search behavior of larval cod (Gadus morhua). Deep Sea Research Part II Topical Studies in Oceanography. 53(23-24). 2735–2757. 14 indexed citations

18.

Ruzicka, James J. & Scott M. Gallager. (2006). The importance of the cost of swimming to the foraging behavior and ecology of larval cod (Gadus morhua) on Georges Bank. Deep Sea Research Part II Topical Studies in Oceanography. 53(23-24). 2708–2734. 26 indexed citations

19.

Radtke, Richard L., J. Brian Dempson, & James J. Ruzicka. (1997). Microprobe analyses of anadromous Arctic charr, Salvelinus alpinus , otoliths to infer life history migration events. Polar Biology. 19(1). 1–8. 26 indexed citations

20.

Svenning, Martin‐A., et al.. (1996). Migrations in an extreme northern population of Arctic charr Salvelinus alpinus:insights from otolith microchemistry. Marine Ecology Progress Series. 136. 13–23. 59 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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