John D. Fitzsimons

3.4k total citations
85 papers, 2.9k citations indexed

About

John D. Fitzsimons is a scholar working on Nature and Landscape Conservation, Ecology and Aquatic Science. According to data from OpenAlex, John D. Fitzsimons has authored 85 papers receiving a total of 2.9k indexed citations (citations by other indexed papers that have themselves been cited), including 59 papers in Nature and Landscape Conservation, 41 papers in Ecology and 30 papers in Aquatic Science. Recurrent topics in John D. Fitzsimons's work include Fish Ecology and Management Studies (59 papers), Aquaculture Nutrition and Growth (18 papers) and Aquatic Invertebrate Ecology and Behavior (17 papers). John D. Fitzsimons is often cited by papers focused on Fish Ecology and Management Studies (59 papers), Aquaculture Nutrition and Growth (18 papers) and Aquatic Invertebrate Ecology and Behavior (17 papers). John D. Fitzsimons collaborates with scholars based in Canada, United States and India. John D. Fitzsimons's co-authors include Scott Brown, Dale C. Honeyfield, Donald E. Tillitt, J. Ellen Marsden, Randall M. Claramunt, James L. Zajicek, Jory L. Jonas, Bill Williston, Victor W. Cairns and Lisa R. Brown and has published in prestigious journals such as The Science of The Total Environment, Canadian Journal of Fisheries and Aquatic Sciences and Aquatic Toxicology.

In The Last Decade

John D. Fitzsimons

84 papers receiving 2.6k citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
John D. Fitzsimons Canada 33 1.9k 1.6k 1.0k 406 306 85 2.9k
Juha Karjalainen Finland 27 1.1k 0.6× 1.1k 0.7× 537 0.5× 676 1.7× 137 0.4× 128 2.2k
Sergiusz J. Czesny United States 25 909 0.5× 766 0.5× 810 0.8× 341 0.8× 79 0.3× 77 1.6k
Alexander Wacker Germany 35 590 0.3× 1.5k 0.9× 513 0.5× 498 1.2× 407 1.3× 101 3.2k
David J. Jude United States 28 3.0k 1.6× 2.9k 1.8× 762 0.8× 919 2.3× 466 1.5× 98 3.9k
John M. Dettmers United States 32 2.5k 1.3× 1.8k 1.1× 863 0.9× 917 2.3× 131 0.4× 86 3.0k
John F. Craig United Kingdom 22 1.5k 0.8× 766 0.5× 1.0k 1.0× 745 1.8× 48 0.2× 56 2.1k
Aaron J. DeLonay United States 21 804 0.4× 466 0.3× 304 0.3× 158 0.4× 363 1.2× 50 1.3k
Donald Macintosh Denmark 27 259 0.1× 1.1k 0.7× 609 0.6× 457 1.1× 56 0.2× 55 2.2k
Mark E. Holey United States 17 799 0.4× 510 0.3× 302 0.3× 305 0.8× 77 0.3× 29 986
Marja Keinänen Finland 19 217 0.1× 234 0.1× 270 0.3× 137 0.3× 318 1.0× 43 840

Countries citing papers authored by John D. Fitzsimons

Since Specialization
Citations

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

Fields of papers citing papers by John D. Fitzsimons

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of John D. Fitzsimons

This figure shows the co-authorship network connecting the top 25 collaborators of John D. Fitzsimons. A scholar is included among the top collaborators of John D. Fitzsimons 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 D. Fitzsimons. John D. Fitzsimons 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.
Fitzsimons, John D., Dale C. Honeyfield, & Scott A. Rush. (2021). Ontogenetic Dietary Changes and Thiamine Status of Lake Ontario Chinook Salmon, 2005–2006. North American Journal of Fisheries Management. 41(5). 1499–1513. 5 indexed citations
2.
Fitzsimons, John D., Scott Brown, & A. H. El‐Shaarawi. (2021). Reduced thiamine utilization by Seneca Lake lake trout embryos and potential implications to restoration of lake trout in the Great Lakes. Environmental Biology of Fishes. 104(7). 751–766. 6 indexed citations
3.
4.
Galarowicz, Tracy L, et al.. (2011). A Comparison of Egg Funnel and Egg Bag Estimates of Egg Deposition in Grand Traverse Bay, Lake Michigan. North American Journal of Fisheries Management. 31(3). 580–587. 8 indexed citations
5.
Fitzsimons, John D., et al.. (2010). Increase in lake trout reproduction in Lake Huron following the collapse of alewife: Relief from thiamine deficiency or larval predation?. Aquatic Ecosystem Health & Management. 13(1). 73–84. 38 indexed citations
6.
Witzel, Larry D., et al.. (2008). A Strategic Plan for the Rehabilitation of Lake Trout in Lake Erie, 2008-2020. 16 indexed citations
7.
Fitzsimons, John D., Bill Williston, Gale Bravener, et al.. (2006). Laboratory Estimates of Salmonine Egg Predation by Round Gobies (Neogobius melanostomus), Sculpins (Cottus cognatus and C. bairdi), and Crayfish (Orconectes propinquus). Journal of Great Lakes Research. 32(2). 227–241. 49 indexed citations
8.
Mills, Edward L., John M. Casselman, R. Dermott, et al.. (2005). A synthesis of ecological and fish-community changes in Lake Ontario, 1970-2000. CTIT technical reports series. 0–86. 29 indexed citations
9.
Fitzsimons, John D., Bill Williston, Patric Amcoff, et al.. (2005). The Effect of Thiamine Injection on Upstream Migration, Survival, and Thiamine Status of Putative Thiamine-Deficient Coho Salmon. Journal of Aquatic Animal Health. 17(1). 48–58. 34 indexed citations
10.
Claramunt, Randall M., Jory L. Jonas, John D. Fitzsimons, & J. Ellen Marsden. (2005). Influences of Spawning Habitat Characteristics and Interstitial Predators on Lake Trout Egg Deposition and Mortality. Transactions of the American Fisheries Society. 134(4). 1048–1057. 45 indexed citations
11.
Brown, Scott, Dale C. Honeyfield, Martha Wolgamood, et al.. (2005). Thiamine Status in Adult Salmonines in the Great Lakes. Journal of Aquatic Animal Health. 17(1). 59–64. 62 indexed citations
12.
Fitzsimons, John D.. (2004). Status and Assessment, Research, and Restoration Needs for Lake Herring in the Great Lakes. 11 indexed citations
13.
Fitzsimons, John D., David L. Perkins, & Charles C. Krueger. (2002). Sculpins and Crayfish in Lake Trout Spawning Areas in Lake Ontario: Estimates of Abundance and Egg Predation on Lake Trout Eggs. Journal of Great Lakes Research. 28(3). 421–436. 42 indexed citations
14.
Fitzsimons, John D., et al.. (2001). The use of thiamine and thiamine antagonists to investigate the etiology of early mortality syndrome in lake trout (Salvelinus namaycush). Aquatic Toxicology. 52(3-4). 229–239. 30 indexed citations
15.
Warthesen, J.J., et al.. (1998). Thiamine nutrition, synthesis, and retention in relation to lake trout reproduction in the Great Lakes.. 99–111. 8 indexed citations
16.
Palace, Vince, Scott Brown, C. L. Baron, et al.. (1998). An evaluation of the relationships among oxidative stress, antioxidant vitamins and early mortality syndrome (EMS) of lake trout (Salvelinus namaycush) from Lake Ontario. Aquatic Toxicology. 43(2-3). 195–208. 26 indexed citations
17.
Bowser, Paul R., et al.. (1998). Effect of Dietary Amprolium on Tissue Thiamin and Cayuga Syndrome in Atlantic Salmon. Transactions of the American Fisheries Society. 127(5). 747–757. 14 indexed citations
18.
Fitzsimons, John D., et al.. (1998). Reduced egg thiamine levels in inland and Great Lakes lake trout and their relationship with diet.. 160–171. 47 indexed citations
19.
Fitzsimons, John D.. (1996). The significance of man-made structures for lake trout spawning in the Great Lakes: are they a viable alternative to natural reefs?. Canadian Journal of Fisheries and Aquatic Sciences. 53(S1). 142–151. 25 indexed citations
20.
Perkins, David L., John D. Fitzsimons, J. Ellen Marsden, Charles C. Krueger, & Bernie May. (1995). Differences in Reproduction among Hatchery Strains of Lake Trout at Eight Spawning Areas in Lake Ontario: Genetic Evidence from Mixed-Stock Analysis. Journal of Great Lakes Research. 21. 364–374. 30 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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