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Upper Midwest Environmental Sciences Center

Nathan De Jager

Nathan R. De Jager         

Position Title:  Research Ecologist (Landscape)

Email: ndejager@usgs.gov
Phone: 608.781.6232
Fax: 608.783.6066

Education:
2008 Ph.D. Ecology, Evolution and Behavior, University of Minnesota, Twin Cities.
Thesis title: Multiple scale spatial dynamics of the moose-forest-soil ecosystem of Isle Royale National Park, MI, USA. Advisor: John Pastor.

2004 M.S. Biology, University of Minnesota, Duluth.
Thesis title: Interactions between moose and the fractal geometries of birch and Scots pine. Advisor: John Pastor.

Research Interests:


Research interest

Active Projects:

Upper Mississippi River Restoration Program (USACE/USGS): Landscape Ecology of the Upper Mississippi River and Floodplain

Natural Resources Preservation Program (USGS/NPS): Simulating wolf-moose-forest trophic interactions at Isle Royale National Park, MI, USA.

Select Publications:

Scown, M., Thoms, M. and De Jager, N. R. 2015. Measuring spatial pattern in floodplains: A step towards understanding the complexity of floodplain ecosystems. In: River Science: Research and Applications for the 21st Century. D. J. Gilvear, M. Greenwood, M. Thoms and P. Wood (eds). John Wiley and Sons, UK, pp.

Cogger, B.J. De Jager, N.R. Thomsen, M. 2014. Winter browse selection by white-tailed deer in bottomland forest restorations of the Upper Mississippi River Valley, USA. Natural Areas Journal 34: 144-153.

De Jager, N.R. and Fox, T.J. 2013. Curve Fit: A pixel-level raster regression tool for mapping landscape patterns. Methods in Ecology and Evolution 4: 789-792.

De Jager, N.R., Cogger, B.J., and Thomsen, M.T. 2013. Interactive effects of flooding and deer browsing on floodplain forest recruitment. Forest Ecology and Management 303:11-19.

Pastor, J. and De Jager, N.R. 2013. Simulated responses of moose populations to browsing-induced changes in plant architecture and forage production. Oikos 122:575-582.

De Jager, N.R. and Houser, J.N. 2012. Variation in water mediated connectivity influences patch distributions of total nitrogen (TN), total phosphorous (TP) and TN:TP ratios in the Upper Mississippi River, USA. Freshwater Science 31: 1254-1272.

Recent Graduate Student Projects

Benjamin Cogger, M.S. University of Wisconsin-La Crosse. 2010-2012. Thesis title: Interactive effects of flooding and white-tailed deer herbivory on tree seedling recruitment in floodplain forests of the Upper Mississippi River. Co-Advised with Meredith Thomsen.

Murray Scown, Ph.D. University of New England, Australia NSW. 2011-2015. Thesis title: The spatial complexity of floodplain landscapes. Co-Advised with Martin Thoms.

Whitney Swanson, M.S. University of Wisconsin-La Crosse. 2012-Present. Thesis title: Effects of flooding, invasion, and nitrogen addition on nitrogen cycling in the Upper Mississippi River floodplain. Co-Advised with Eric Strauss

Alicia Weeks, M.S. University of Wisconsin-La Crosse. 2014-Present. Thesis title: Modeling spatial relationships between the invasive snail Bithynia tentaculata and submersed aquatic vegetation using long-term monitoring data. Co-Advised with Roger Haro.


Links:
Long Term Resource Monitoring Program

Landscape indicators

Spatial Ecology Team

Curriculum Vitae

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