Jim Junker

Previous Scheduled Teaching

No previous courses scheduled.

Published Intellectual Contributions

Book Chapter

• O'Gorman, E.J., Pichler, D.E., Adams, G., Benstead, J.P., Cohen, H., Craig, N., Cross, W.F., Demars, Beno\^it O.L., Friberg, N., G\'islason, G\'isli M\'ar, Gudmundsd\'ottir, Rakel, Hawczak, A., Hood, J.M., Hudson, L.N., Johansson, L., Johansson, M.P., Junker, J., Laurila, A., Manson, J.R., Mavromati, E., Nelson, D., \'Olafsson, J\'on S., Perkins, D.M., Petchey, O.L., Plebani, M., Reuman, D.C., Rall, Bj\"orn C., Stewart, R., Thompson, M.S., Woodward, G. (2012). Impacts of Warming on the Structure and Functioning of Aquatic Communities. Advances in Ecological Research. 47 81--176. Elsevier.

Conference Proceeding

• Demars, B., McGovern, M., Jackson-Blake, L., Sample, J., Norling, M., Høgda, K., Karlsen, S., Dörsch, P., Stutter, M., Thornton, B., Junker, J., D'Andrilli, J. (2024). QUANTOM: QUANTification of dissolved Organic Matter and the metabolic balance in river networks: mechanisms and model simulations of CO2 emissions. Copernicus GmbH. https://doi.org/10.5194/egusphere-egu24-20681

Journal Article

• Stutter, M., Jackson-Blake, L., McGovern, M., D'Andrilli, J., Junker, J., Dorsch, P., Watson, H., Karlsen, S., Demars, B.O. (2025). Soils, landscape position and nutrients inform dissolved organic matter delivery in a Norwegian subarctic river. Other. 76 (5) e70185.
• Novak, B., Murry, B.A., Wesner, J.S., Gjoni, V., Arantes, C.C., Shepta, E., Pomeranz, J.P., Junker, J., Zipfel, K., Stump, A., Solomon, L.E., Maxson, K.A., DeBoer, J.A. (2024). Threshold responses of freshwater fish community size spectra to invasive species. Ecosphere. 15 (12) Wiley. https://doi.org/10.1002/ecs2.70090
• Glassic, H.C., Junker, J., Guy, C.S., Tronstad, L.M., Briggs, M.A., Albertson, L.K., Lujan, D.R., Brenden, T.O., Walsworth, T.E., Koel, T.M. (2024). An Invasive Predator Substantially Alters Energy Flux Without Changing Food Web Functional State or Stability. Other. 34 (9) Wiley. https://doi.org/10.1002/aqc.4240
• Junker, J., Cross, W.F., Hood, J.M., Benstead, J.P., Huryn, A.D., Nelson, D., Ólafsson, J.S., Gíslason, G.M. (2024). Environmental warming increases the importance of high‐turnover energy channels in stream food webs. Ecology. 105 (6) Wiley. https://doi.org/10.1002/ecy.4314
• Wesner, J.S., Pomeranz, J.P., Junker, J., Gjoni, V. (2024). Bayesian hierarchical modelling of size spectra. Other. 15 (5) 856-867. Wiley. https://doi.org/10.1111/2041-210x.14312
• Pomeranz, J., Junker, J., Gjoni, V., Wesner, J.S. (2024). Maximum Likelihood Outperforms Binning Methods for Detecting Differences in Abundance Size Spectra across Environmental Gradients. Other. 93 (3) 267--280.
• Keppeler, F.W., Junker, J., Shaw, M.J., Alford, S.B., Engel, A.S., Hooper-B\`ui, Linda M., Jensen, O.P., Lamb, K., L\'opez-Duarte, Paola C., Martin, C.W., McDonald, A.M., Olin, J.A., Paterson, A.T., Polito, M.J., Rabalais, N.N., Roberts, B.J., Rossi, R.E., Swenson, E.M. (2023). Can Biodiversity of Preexisting and Created Salt Marshes Match across Scales? An Assessment from Microbes to Predators. Ecosphere. 14 (3) e4461.
• Scholl, E.A., Cross, W.F., Guy, C.S., Dutton, A.J., Junker, J.R. (2023). Landscape diversity promotes stable food‐web architectures in large rivers. Ecology Letters. https://doi.org/10.1111/ele.14289
• Reinert, J.H., Albertson, L.K., Junker, J. (2022). Influence of Biomimicry Structures on Ecosystem Function in a Rocky Mountain Incised Stream. Ecosphere. 13 (1) e3897.
• Pomeranz, J.P., Junker, J., Wesner, J.S. (2022). Individual Size Distributions across North American Streams Vary with Local Temperature. Global Change Biology. 28 (3) 848--858.
• Junker, J., Cross, W.F., Benstead, J.P., Huryn, A.D., Hood, J.M., Nelson, D., G\'islason, G\'isli M., \'Olafsson, J\'on S. (2021). Flow Is More Important than Temperature in Driving Patterns of Organic Matter Storage and Stoichiometry in Stream Ecosystems. Ecosystems. 24 (6) 1317--1331.
• Junker, J., Cross, W.F., Benstead, J.P., Huryn, A.D., Hood, J.M., Nelson, D., Gíslason, G.M., Ólafsson, J.S., Ghalambor, C. (2020). Resource supply governs the apparent temperature dependence of animal production in stream ecosystems. Ecology Letters. 23 (12) 1809-1819. Wiley. https://doi.org/10.1111/ele.13608
• Nelson, D., Benstead, J.P., Huryn, A.D., Cross, W.F., Hood, J.M., Johnson, P.W., Junker, J., G\'islason, G\'isli M., \'Olafsson, J\'on S. (2020). Contrasting Responses of Black Fly Species (Diptera: Simuliidae) to Experimental Whole-Stream Warming. Freshwater Biology. 65 (10) 1793--1805.
• Nelson, D., Benstead, J.P., Huryn, A.D., Cross, W.F., Hood, J.M., Johnson, P.W., Junker, J., G\'islason, G\'isli M., \'Olafsson, J\'on S. (2020). Thermal Niche Diversity and Trophic Redundancy Drive Neutral Effects of Warming on Energy Flux through a Stream Food Web. Ecology.
• D'Andrilli, J., Junker, J., Smith, H.J., Scholl, E.A., Foreman, C.M. (2019). DOM Composition Alters Ecosystem Function during Microbial Processing of Isolated Sources. Other. 142 (2) 281--298.
• Hood, J.M., Benstead, J.P., Cross, W.F., Huryn, A.D., Johnson, P.W., G\'islason, G\'isli M., Junker, J., Nelson, D., \'Olafsson, J\'on S., Tran, C. (2018). Increased Resource Use Efficiency Amplifies Positive Response of Aquatic Primary Production to Experimental Warming. Global Change Biology. 24 (3) 1069--1084.
• Nelson, D., Benstead, J.P., Huryn, A.D., Cross, W.F., Hood, J.M., Johnson, P.W., Junker, J., Gíslason, G.M., Ólafsson, J.S. (2017). Experimental whole‐stream warming alters community size structure. Global Change Biology. 23 (7) 2618-2628. Wiley. https://doi.org/10.1111/gcb.13574
• Nelson, D., Benstead, J.P., Huryn, A.D., Cross, W.F., Hood, J.M., Johnson, P.W., Junker, J., Gíslason, G.M., Ólafsson, J.S. (2017). Shifts in community size structure drive temperature invariance of secondary production in a stream‐warming experiment. Ecology. 98 (7) 1797-1806. Wiley. https://doi.org/10.1002/ecy.1857
• Junker, J., Cross, W.F. (2014). Seasonality in the Trophic Basis of a Temperate Stream Invertebrate Assemblage: Importance of Temperature and Food Quality. Association for the Sciences of Limnology and Oceanography. 59 (2) 507--518.

Contracts, Grants and Sponsored Research

Grant - Research

• Bohenek, J., D'Andrilli, J., Junker, J., Compson, Z.G., "Leaf litter decomposition drives ‘hot moments’ and mosquito activity in freshwater ecosystems," sponsored by Advanced Environmental Research Institute, University of North Texas, $10000 Funded. (2024 - 2025).
• Frisk, M.G. (Principal), Cerrato, R.M. (Co-Principal), Shipley, O.N. (Co-Principal), Junker, J.R. (Co-Principal), Olin, J.A. (Co-Principal), "Defining foraging hotspots of finfish and sharks in the New York Bight: linking trophic dynamics with spatiotemporal trends in species distributions," sponsored by NYSDEC/NYSG, State, $279357 Funded. (2024 - 2025).
• Junker, J.R. (Principal), Compson, Z.G. (Co-Principal), Cui, X. (Co-Principal), "“AutoTaxonomizer”: Developing taxonomic- and morphology-informed neural networks for the analysis and identification of novel macroinvertebrate communities," sponsored by UNT College of Science/UNT College of Engineering, University of North Texas, $10000 Funded. (2024 - 2025).
• Junker, J.R. (Co-Principal), "Collaborative Research: MSA: The influence of temperature and resource supply on community size spectra in streams," sponsored by National Science Foundation, Federal, $39585 Funded. (2021 - 2024).
• Paterson, G. (Principal), Vick-Majors, T.J. (Co-Principal), Olin, J.A. (Co-Principal), Junker, J. (Co-Principal), "A novel method for quantifying Dreissenid veliger contributions to Lake Huron zooplankton communities," sponsored by Michigan SeaGrant, State, $199660 Funded. (2022 - 2024).