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Dr. Jim Junker

Research Assistant Professor

University of North Texas

Department of Biological Sciences

(940) 369-5077

Email: James.Junker@unt.edu

Professional Positions

    Academic - Post-Secondary

  • Postdoctoral Researcher, Michigan Technological University. Michigan Technological University. (2021 - 2023).

Professional Memberships

  • Society for Freshwater Science. (January 1, 2024 - Present).

Research

Published Intellectual Contributions

    Journal Article

  • Junker, J. (2024). Maximum likelihood outperforms binning methods for detecting differences in abundance size spectra across environmental gradients. Other. https://doi.org/10.1111/1365-2656.14044
  • Junker, J. (2023). Landscape diversity promotes stable food‐web architectures in large rivers. Other. https://doi.org/10.1111/ele.14289
  • Junker, J. (2023). Can biodiversity of preexisting and created salt marshes match across scales? An assessment from microbes to predators. Other. https://doi.org/10.1002/ecs2.4461
  • Junker, J. (2022). Individual size distributions across North American streams vary with local temperature. Global Change Biology. https://doi.org/10.1111/gcb.15862
  • Junker, J. (2022). Influence of biomimicry structures on ecosystem function in a Rocky Mountain incised stream. Other. https://doi.org/10.1002/ecs2.3897
  • Junker, J. (2021). Flow is more Important than Temperature in Driving Patterns of Organic Matter Storage and Stoichiometry in Stream Ecosystems. Ecosystems. https://doi.org/10.1007/s10021-020-00585-6
  • Junker, J. (2020). Contrasting responses of black fly species (Diptera: Simuliidae) to experimental whole‐stream warming. Freshwater Biology. https://doi.org/10.1111/fwb.13583
  • Junker, J. (2020). Resource supply governs the apparent temperature dependence of animal production in stream ecosystems. Other. https://doi.org/10.1111/ele.13608
  • Junker, J. (2020). Thermal niche diversity and trophic redundancy drive neutral effects of warming on energy flux through a stream food web. Ecology. http://dx.doi.org/10.1002/ecy.2952
  • Junker, J. (2019). DOM composition alters ecosystem function during microbial processing of isolated sources. Other. https://doi.org/10.1007/s10533-018-00534-5
  • Junker, J. (2017). Increased resource use efficiency amplifies positive response of aquatic primary production to experimental warming. Global Change Biology.
  • Junker, J. (2017). Shifts in community size structure drive temperature invariance of secondary production in a stream-warming experiment. Ecology.
  • Junker, J. (2016). Experimental whole-stream warming alters community size structure. Global Change Biology.
  • Junker, J. (2014). Seasonality in the trophic basis of a temperate stream invertebrate assemblage: Importance of temperature and food quality. Other.
  • Junker, J. (2012). Impacts of Warming on the Structure and Functioning of Aquatic Communities. Other.

Presentations Given

    Invited Talk

  • Junker, J.R. (Author & Presenter), The effects of temperature on energy flow in streams from individuals to ecosystems, University of North Texas, Denton, TX, United States of America. (2024).

    • Poster

  • Coronado, E.A. (Author & Presenter), Deckard, G. (Author), Graffam, C. (Author), Montenegro, A. (Author), Renfrow, J. (Author), Junker, J.R. (Author), Compson, Z.G. (Author), D'Andrilli, J. (Author), Bohenek, J. (Author), AERI Research Day, Leaf litter decomposition drives ‘hot moments’ and mosquito activity in freshwater ecosystems, AERI and UNT, Sulphur, Oklahoma, United States of America. (2024 - 2024).
  • Gjoni, V. (Author & Presenter), Pomeranz, J.P. (Author), Junker, J.R. (Author), Wesner, J.S. (Author), NSF Macrosystems Biology Community Virtual Meeting, Size Spectra in freshwater streams are consistent across temperature and resource supply, National Science Foundation, Virtual, United States of America. (2024 - 2024).

Service

Professional Service

  • Committee Member, Society for Freshwater Science. Logan, UT. (January 1, 2024 - Present).