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Overarching theme: Humans, as a species, have profound effects on the Earth's ecological processes. I use wildlife surveys, community (citizen) science, remotely sensed data, and computer-intensive analytical approaches to understand how and why biodiversity responds to anthropogenic environmental change. I'm particularly interested in conducting research that has tangible implications for conservation and management. 

Primary Research Interests:

1. The impact of global chance on wildlife distributions. Global changes in climate, land cover, and land use are causing dramatic changes in the global distributions (both occurrences and abundances) of wildlife. I use species distribution models, historical data, and future projections to examine the historic and future effects of global change on wildlife. I've studied changes in bird populations in the Willamette Valley, Oregon since the 1800s, shifts in the elevational distributions of Switzerland's birds since the 1990s, and am currently projecting the future distirubtions of Europe's breeding birds to inform the EU's pledges to the Global Biodiversity Framework. 
2. Community science & methods development. Community science data are gathered at expansive spatial and temporal scales, but the excess noise associated with untrained observers and unstandardized methodologies can decrease their value. I am keenly interested in harnessing the power of community science for conservation and management as it provides a cost-effective method of wildlife monitoring while actively involving the public as stakeholders in research and conservation. Further, I'm interested in developing and testing methods of distribution and abundance modeling that are reliable and accessible to conservationists.
3. Human dimensions of wildlife. Our environment provides us with countless benefits. I am interested in understanding the relationships between global change and evosystem services. I'm currently collaborating on projects investigating the effects of avian biodiversity within soundscapes on physiological and psychological wellbeing.

Additional Highlights:

ÑÇÖÞÉ«°É Focal Point for the Conservation And Sustainability Consortium of AcaDEmic institutions (CASCADE) network

Scenarios for Protecting European Avian Redistributions (SPEAR) Biodiversa+ Project (Active)

Office: Thoday G3

• PhD: (Wildlife Science) Modeling fine-scale avian distributions and densities with multi-scale models: Predicting the past and present
  Oregon State University, 2019
• MSc: (MS in Zoology) Sublethal Effects of Multiple Stressors on Amphibians of Southern Illinois
  Southern Illinois University, Carbondale, 2012
• BA: (Organismal Biology) The Effect of Temperature on Active and Resting Metabolism of the Fire-bellied Toad, Bombina orientalis
  Pitzer College, 2007

Module Organizer:

Conservation Management Planning (ENS-4205)

Module Contributor:

Wildlife Ecology & Conservation (BNS-3000)

Principles of Conservation (DXX-2003)

Conservation Practice (DXX-2009)

I am willing to supervise a PhD

2024

• Published
  Jefferys, K. M., Betts, M. G., Robinson, W. D., Curtis, J. R. F., Hallman, T., Smith, A. C., Stevens, C. & Aguirre-Gutierrez, J., Aug 2024, In: Avian Conservation and Ecology. 19, 2, 26 p., 2.
  Research output: Contribution to journal › Article › peer-review
• Published
  Kery, M., Royle, J. A., Hallman, T., Robinson, W. D., Strebel, N. & Kellner, K. F., 27 Mar 2024, In: Ecology. 105, 5, e4292.
  Research output: Contribution to journal › Article › peer-review
• Published
  Hallman, T. A. & Robinson, W. D., 14 May 2024, In: Scientific Reports. 14, 1, p. 11070
  Research output: Contribution to journal › Article › peer-review
• Published
  Hallman, T., Jul 2024, In: The Bulletin of the Ecological Society of America. 105, 3, p. e02154
  Research output: Contribution to journal › Article › peer-review

2023

• Published
  Wang, J., Hopkins, L., Hallman, T., Robinson, W. D. & Hutchinson, R., 4 Oct 2023, In: Transactions on Machine Learning Research.
  Research output: Contribution to journal › Article › peer-review
• Published
  Wang, J., Hallman, T., Hopkins, L., Kilbride, J. B., Robinson, W. D. & Hutchinson, R., 30 Dec 2023.
  Research output: Contribution to conference › Paper › peer-review

2022

• Published
  Hopkins, L. M., Hallman, T. A., Kilbride, J., Robinson, W. D. & Hutchinson, R. A., 16 Feb 2022, In: Landscape Ecology. 37, 4, p. 997-1016
  Research output: Contribution to journal › Article › peer-review
• Published
  Robinson, W. D., Greer, J., Masseloux, J., Hallman, T. A. & Curtis, J. R., 17 Jun 2022, In: Diversity. 14, 6, p. 496
  Research output: Contribution to journal › Article › peer-review
• Published
  Fleming, W., Hallman, T., van den Hoek, J., Johnson, S. M. & Biedenweg, K., Dec 2022, In: Environmental Management. 70, p. 1038-1050
  Research output: Contribution to journal › Article › peer-review
• Published
  Hallman, T. A., Guélat, J., Antoniazza, S., Kéry, M. & Sattler, T., 2 Aug 2022, In: Ecosphere. 13, 8, e4194.
  Research output: Contribution to journal › Article › peer-review

2021

• Published
  Robinson, W. D., Hallman, T. A. & Hutchinson, R. A., 10 Feb 2021, In: Frontiers in Ecology and Evolution. 9, 568278.
  Research output: Contribution to journal › Article › peer-review
• Published
  Hallman, T. A., Robinson, W. D., Curtis, J. R. & Alverson, E. R., 3 Aug 2021, In: Conservation Biology. 35, 4, p. 1256-1267 12 p.
  Research output: Contribution to journal › Article › peer-review
• Published
  Austin, S. H., Harris, R. M., Booth, A. M., Lang, A. S., Farrar, V. S., Krause, J. S., Hallman, T. A., MacManes, M. & Calisi, R. M., 2 Jun 2021, In: Frontiers in endocrinology. 12, 632060.
  Research output: Contribution to journal › Article › peer-review
• Published
  Roth, M., Hallman, T., Robinson, W. D. & Hutchinson, R., 2021.
  Research output: Contribution to conference › Paper
• Published
  Seo, E., Hutchinson, R. A., Fu, X., Li, C., Hallman, T. A., Kilbride, J. & Robinson, W. D., 18 May 2021, Proceedings of the AAAI Conference on Artificial Intelligence. Vol. 35. p. 513-521
  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
• Published
  Laney, J. A., Hallman, T. A., Curtis, J. R. & Robinson, W. D., 21 Jan 2021, In: PeerJ. 9, e10713.
  Research output: Contribution to journal › Article › peer-review
• Published
  Hopkins, L., Hallman, T. A., Kilbride, J. B., Robinson, W. D., Wong, W.-K. & Hutchinson, R. A., 14 Dec 2021.
  Research output: Contribution to conference › Paper

2020

• Published
  Robinson, W. D., Hallman, T. A. & Curtis, J. R., 31 Dec 2020, In: Northwestern Naturalist. 101, 3, p. 180-193
  Research output: Contribution to journal › Article › peer-review
• Published
  Hallman, T. A. & Robinson, W. D., 2 Apr 2020, In: Landscape Ecology. 35, p. 1161-1174
  Research output: Contribution to journal › Article › peer-review
• Published
  Hallman, T. A. & Robinson, W. D., 9 Jan 2020, In: Diversity and Distributions. 26, 3, p. 315-328
  Research output: Contribution to journal › Article › peer-review

2019

• Published
  Robinson, W. D., Partipilo, C., Hallman, T. A., Fairchild, K. & Fairchild, J. P., 7 Nov 2019, In: PeerJ. 7, e7999.
  Research output: Contribution to journal › Article › peer-review

2016

• Published
  Hallman, T. A. & Brooks, M. L., 2016, In: Environmental Toxicology and Chemistry. 35, 7, p. 1872-1882 11 p.
  Research output: Contribution to journal › Article › peer-review

2015

• Published
  Hallman, T. A. & Douglas Robinson, W., Aug 2015, In: American Biology Teacher. 77, 6, p. 458-461 4 p.
  Research output: Contribution to journal › Article › peer-review
• Published
  Hallman, T. A. & Brooks, M. L., 4 Jul 2015, In: Environmental Pollution. 206, p. 88 – 94
  Research output: Contribution to journal › Article › peer-review