Sergiusz Czesny

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Research Output

2020

Factors influencing the abundance of three common nearshore fishes in south-west Lake Michigan

Stacy-Duffy, W. L., Thomas, S. M., Wahl, D. H. & Czesny, S. J., Jan 1 2020, (Accepted/In press) In : Fisheries Management and Ecology.

Research output: Contribution to journalArticle

Fatty acid profiles of lake trout reveal the importance of lipid content for interpreting trophic relationships within and across lakes

Happel, A., Stafford, C. P., Rinchard, J. & Czesny, S., Feb 2020, In : Journal of Great Lakes Research. 46, 1, p. 188-197 10 p.

Research output: Contribution to journalArticle

Open Access
2019

Diet Complexity of Lake Michigan Salmonids

Leonhardt, B., Turschak, B., Happel, A., Czesny, S., Boostma, H., Rinchard, J., Kornis, M., Bronte, C. & Hook, T., 2019, Midwest Fish and Wildlife Conference 2019.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fatty acids differentiate consumers despite variation within prey fatty acid profiles

Happel, A., Maier, C., Farese, N., Czesny, S. & Rinchard, J., Aug 2019, In : Freshwater Biology. 64, 8, p. 1416-1426 11 p.

Research output: Contribution to journalArticle

Heterogeneity of salmonid anglers in the southern Lake Michigan fishery

Golebie, E. J., Miller, C. A. & Czesny, S. J., Nov 30 2019, In : Human Dimensions of Wildlife. 25, 2, p. 171-186 16 p.

Research output: Contribution to journalArticle

Individual and spatial variation are as important as species-level variation to the trophic complexity of a lentic food web

Feiner, Z. S., Foley, C. J., Swihart, R. K., Bootsma, H., Czesny, S., Janssen, J., Rinchard, J. & Höök, T. O., Oct 1 2019, In : Ecology of Freshwater Fish. 28, 4, p. 516-532 17 p.

Research output: Contribution to journalArticle

Investigating Burbot Diets in Lake Michigan Through Stomach Contents, Fatty Acids, and Stable Isotope Ratios

Leonhardt, B., Turschak, B., Happel, A., Czesny, S., Bootsma, H., Richard, J. & Höök, T., 2019, Midwest Fish and Wildlife Conference 2019.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Quantitative methods to reconstruct length and weight of Great Lakes prey fishes from dietary observations of partially digested prey

Anderson, M., Turschak, B., Czesny, S. & Jonas, J. L., Dec 2019, In : Journal of Great Lakes Research. 45, 6, p. 1228-1240 13 p.

Research output: Contribution to journalArticle

Spatial variation in trophic structure of nearshore fishes in lake Michigan as it relates to water clarity

Turschak, B. A., Czesny, S., Doll, J. C., Grunert, B. K., Höök, T. O., Janssen, J. & Bootsma, H. A., Jan 1 2019, In : Canadian Journal of Fisheries and Aquatic Sciences. 76, 3, p. 364-377 14 p.

Research output: Contribution to journalArticle

2018

A Survey of Sport Fishing in the Illinois Portion of Lake Michigan March through September 2017

Roswell, C. R. & Czesny, S. J., Dec 20 2018, Champaign, IL: Illinois Natural History Survey. 43 p. (INHS Technical Report; no. 2018 (43))

Research output: Book/ReportTechnical report

Diet Complexity and Specialization of Lake Michigan Salmonids: Contrasting Trophic Indicators

Leonhardt, B., Bootsma, H. A., Turschak, B. A., Czesny, S. J., Happel, A., Kornis, M. S., Bronte, C. R., Rinchard, J. & Hook, T. O., 2018.

Research output: Contribution to conferencePaper

Spatial variability of lake trout diets in Lakes Huron and Michigan revealed by stomach content and fatty acid profiles

Happel, A., Jonas, J. L., McKenna, P. R., Rinchard, J., He, J. X. & Czesny, S. J., Jan 1 2018, In : Canadian Journal of Fisheries and Aquatic Sciences. 75, 1, p. 95-106 12 p.

Research output: Contribution to journalArticle

Species identity matters when interpreting trophic markers in aquatic food webs

Feiner, Z. S., Foley, C. J., Bootsma, H. A., Czesny, S. J., Janssen, J., Rinchard, J. & Hook, T. O., Oct 2018, In : PloS one. 13, 10, e0204767.

Research output: Contribution to journalArticle

Using Stable C and N Isotopes to Assess Diets of Lake Michigan Salmonines: Implications for Ongoing Management

Turschak, B. A., Bronte, C. R., Czesny, S. J., Hook, T. O., Kornis, M. S., Leonhardt, B. & Bootsma, H. A., 2018.

Research output: Contribution to conferencePaper

2017

Data pre-treatment and choice of resemblance metric affect how fatty acid profiles depict known dietary origins

Happel, A., Czesny, S., Rinchard, J. & Hanson, S. D., Sep 1 2017, In : Ecological Research. 32, 5, p. 757-767 11 p.

Research output: Contribution to journalArticle

Lake trout spawning habitat suitability at two offshore reefs in Illinois waters of Lake Michigan

Redman, R., Mackey, S., Dub, J. & Czesny, S., Apr 1 2017, In : Journal of Great Lakes Research. 43, 2, p. 335-344 10 p.

Research output: Contribution to journalArticle

Patterns of integration of invasive round goby (Neogobius melanostomus) into a nearshore freshwater food web

Foley, C. J., Henebry, M. L., Happel, A., Bootsma, H. A., Czesny, S. J., Janssen, J., Jude, D. J., Rinchard, J. & Höök, T. O., Mar 1 2017, In : Food Webs. 10, p. 26-38 13 p.

Research output: Contribution to journalArticle

Transcriptomic imprints of adaptation to fresh water: parallel evolution of osmoregulatory gene expression in the Alewife

Velotta, J. P., Wegrzyn, J. L., Ginzburg, S., Kang, L., Czesny, S., O'Neill, R. J., McCormick, S. D., Michalak, P. & Schultz, E. T., Feb 1 2017, In : Molecular ecology. 26, 3, p. 831-848 18 p.

Research output: Contribution to journalArticle

Uncommon Techniques with Predators and Prey: An Empirical Test of Quantifying the Diets of Fish with Fatty Acid-Based Models

Happel, A., Pike, J., Czesny, S. J. & Rinchard, J., 2017, Private Landscapes, Public Responsibilities: 77th Midwest Fish & Wildlife Conference, February 5-7, 2017, Lincoln, Nebraska.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Utilizing external features and a consensus field-based approach to determine sex of lake michigan yellow perch

Dub, J. D., Roswell, C. R. & Czesny, S., Sep 3 2017, In : North American Journal of Fisheries Management. 37, 5, p. 1107-1111 5 p.

Research output: Contribution to journalArticle

Variability in sea lamprey fatty acid profiles indicates a range of host species utilization in Lake Michigan

Happel, A., Rinchard, J. & Czesny, S., Feb 1 2017, In : Journal of Great Lakes Research. 43, 1, p. 182-188 7 p.

Research output: Contribution to journalArticle

2016

Evaluating quantitative fatty acid signature analysis (QFASA) in fish using controlled feeding experiments

Happel, A., Stratton, L., Kolb, C., Hays, C., Rinchard, J. & Czesny, S., Jan 5 2016, In : Canadian Journal of Fisheries and Aquatic Sciences. 73, 8, p. 1222-1229 8 p.

Research output: Contribution to journalArticle

Fatty-acid profiles of juvenile lake trout reflect experimental diets consisting of natural prey

Happel, A., Stratton, L., Pattridge, R., Rinchard, J. & Czesny, S., Sep 1 2016, In : Freshwater Biology. 61, 9, p. 1466-1476 11 p.

Research output: Contribution to journalArticle

Scale-dependent role of demography and dispersal on the distribution of populations in heterogeneous landscapes

Martin, B. T., Czesny, S., Wahl, D. H. & Grimm, V., May 1 2016, In : Oikos. 125, 5, p. 667-673 7 p.

Research output: Contribution to journalArticle

The Urban Experience: Angling on Illinois' Portion of Lake Michigan and the Utility of Angling Data

Roswell, C., Czesny, S. J., Robillard, S. R., Makauskas, D. & Dub, J., 2016, Great Waters, Great Lands, Great Responsibilities: 76th Midwest Fish & Wildlife Conference, January 24-27, 2016, Grand Rapids Michigan.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2015

Dietary Transfer of Fatty Acids in Lake Trout

Hallenbeck, S., Happel, A., Czesny, S. J. & Rinchard, J., 2015.

Research output: Contribution to conferenceOther

Early life history of alewife Alosa pseudoharengus in southwestern Lake Michigan

Weber, M. J., Ruebush, B. C., Creque, S. M., Redman, R. A., Czesny, S. J., Wahl, D. H. & Dettmers, J. M., Jun 1 2015, In : Journal of Great Lakes Research. 41, 2, p. 436-447 12 p.

Research output: Contribution to journalArticle

Exploring yellow perch diets in Lake Michigan through stomach content, fatty acids, and stable isotope ratios

Happel, A., Creque, S., Rinchard, J., Höök, T., Bootsma, H., Janssen, J., Jude, D. & Czesny, S., Jan 1 2015, In : Journal of Great Lakes Research. 41, p. 172-178 7 p.

Research output: Contribution to journalArticle

Spatio-temporal description of spottail shiner (Notropis hudsonius) fatty acid profiles in Lake Michigan's southern basin

Happel, A., Lafountain, J., Creque, S., Rinchard, J., Höök, T., Bootsma, H., Janssen, J., Jude, D. & Czesny, S., Jan 1 2015, In : Journal of Great Lakes Research. 41, p. 179-184 6 p.

Research output: Contribution to journalArticle

2014

Age and growth of round gobies in Lake Michigan, with preliminary mortality estimation

Huo, B., Madenjian, C. P., Xie, C. X., Zhao, Y., O'Brien, T. P. & Czesny, S. J., Sep 1 2014, In : Journal of Great Lakes Research. 40, 3, p. 712-720 9 p.

Research output: Contribution to journalArticle

Beta-thymosin gene polymorphism associated with freshwater invasiveness of alewife (Alosa pseudoharengus)

Michalak, K., Czesny, S., Epifanio, J., Snyder, R. J., Schultz, E. T., Velotta, J. P., Mccormick, S. D., Brown, B. L., Santopietro, G. & Michalak, P., Apr 2014, In : Journal of Experimental Zoology Part A: Ecological Genetics and Physiology. 321, 4, p. 233-240 8 p.

Research output: Contribution to journalArticle

Comparing age predictions from random forest analysis and age-length keys

Dub, J. D., Redman, R. A. & Czesny, S. J., 2014.

Research output: Contribution to conferenceOther

If you are what you eat, can fatty acids tell us your diet composition?

Happel, A., Yeo, L., Stratton, L., Pattridge, R., Rinchard, J. & Czesny, S. J., 2014.

Research output: Contribution to conferenceOther

Nearshore energy subsidies support Lake Michigan fishes and invertebrates following major changes in food web structure

Turschak, B. A., Bunnell, D., Czesny, S., Höök, T. O., Janssen, J., Warner, D. & Bootsma, H. A., May 2014, In : Ecology. 95, 5, p. 1243-1252 10 p.

Research output: Contribution to journalArticle

Size-specific growth and mortality of juvenile yellow perch in southwestern Lake Michigan

Dub, J. D., Redman, R. A., Wahl, D. H. & Czesny, S. J., Mar 2014, In : Journal of Great Lakes Research. 40, 1, p. 179-186 8 p.

Research output: Contribution to journalArticle

2013

Changes to the Lake Michigan trophic structure as revealed by stable C and N isotopes

Turschak, B. A., Bootsma, H. A., Janssen, J., Czesny, S. J. & Hook, T. O., 2013.

Research output: Contribution to conferenceOther

Size Structure of Female Yellow Perch Spawners as an Early Indicator of Year Class Strength

Redman, R. A. & Czesny, S. J., 2013.

Research output: Contribution to conferenceOther

Spatio-temporal variation of round goby diets fatty acids, and tissue δ13C and δ15N in near-shore Lake Michigan, 2010 and 2011

Henebry, M. L., Roswell, A. R., Foley, C. J., Bootsma, H. A., Czesny, S. J., Janssen, J., Rinchard, J. & Höök, T. O., 2013.

Research output: Contribution to conferenceOther

Sport fish use of an artificial reef in nearshore Lake Michigan during 2000-2006

Creque, S. M., Dettmers, J. M., Czesny, S. J. & Redman, R. A., 2013.

Research output: Contribution to conferenceOther

Utility of fatty acid signature analysis in large freshwater food web

Czesny, S. J., Rinchard, J., Hanson, D., Happel, A. H. & Hook, T. O., 2013.

Research output: Contribution to conferenceOther

Utilizing random forest analysis with otolith mass and total fish length to obtain rapid and objective estimates of fish age

Dub, J. D., Redman, R. A., Wahl, D. H. & Czesny, S. J., Sep 5 2013, In : Canadian Journal of Fisheries and Aquatic Sciences. 70, 9, p. 1396-1401 6 p.

Research output: Contribution to journalArticle

2012

Effect of light intensity, prey density, and ontogeny on foraging success and prey selection of larval yellow perch (Perca flavescens)

Martin, B. T., Wahl, D. H. & Czesny, S. J., Oct 1 2012, In : Ecology of Freshwater Fish. 21, 4, p. 588-596 9 p.

Research output: Contribution to journalArticle

Genetic divergence between freshwater and marine morphs of alewife (alosa pseudoharengus): A 'next-generation' sequencing analysis

Czesny, S., Epifanio, J. & Michalak, P., Mar 15 2012, In : PloS one. 7, 3, e31803.

Research output: Contribution to journalArticle

Size structure of spawning yellow perch females as early indicator of year class strength

Redman, R. A., Czesny, S. J. & Dub, J. D., 2012, 50th Annual Meeting, Illinois Chapter, American Fisheries Society; 21-23 February 2012 Starved Rock State Park, Utica, IL.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2011