people / Seastedt, Tmothy R.
Seastedt, Tmothy R.


Timothy R. Seastedt (Tim)

PhD, University of Georgia, 1979
Lab: 303-492-3302
Fax: 303-492-6388



Terrestrial ecosystem ecology; causes and feedbacks of biotic change; grassland ecology; plant-soil-animal interactions

Disciplines: Animal ecology • Biogeochemistry • Plant/vegetation ecology • Soil science




Patterns of soil bacterial richness and composition tied to plant richness, soil nitrogen, and soil acidity in alpine tundra.

Yuan, X., Knelman, J.E., Wang, D., Goebl, A., Gasarch, E., Seastedt, T.R., Arctic, Antarctic, and Alpine Research, 49, 3, 441–453, DOI: 10.1657/AAAR0016-05,


Plant community and soil chemistry responses to long-term nitrogen inputs drive changes in alpine bacterial communities.

Yuan, X, Knelman, JE, Gasarch, E, Wang, D, Nemergut, DR, Seastedt, TR, Ecology, 97, 6, 1543-1554, DOI: 10.1890/15-1160.1,


An overview of research from a high elevation landscape: the Niwot Ridge, Colorado Long Term Ecological Research programme.

Williams, MW, Seastedt, TR, Bowman, WD, McKnight, DM, Suding, KN, Plant Ecology and Diversity, 8, 5-6, 597-605, DOI: 10.1080/17550874.2015.1123320,


Plant community response to nitrogen and phosphorus enrichment varies across an alpine tundra moisture gradient.

Gasarch, EI, Seastedt, TR, Plant Ecology and Diversity, 8, 5-6, 739-749, DOI: 10.1080/17550874.2015.1123317,


The consequences of multiple resource shifts on the productivity and composition of alpine tundra communities: inferences from a long-term snow and nutrient manipulation experiment.

Gasarch, EI, Seastedt, TR, Plant Ecology and Diversity, 8, 5-6, 751-761, DOI: 10.1080/17550874.2015.1123319,


The forest–alpine ecotone: a multi-scale approach to spatial and temporal dynamics of treeline change at Niwot Ridge.

Bourgeron, PS, Humphries, HC, Liptzin, D, Seastedt, TR, Plant Ecology and Diversity, 8, 5-6, 763-779, DOI: 10.1080/17550874.2015.1126368,


Presence of the exotic weevil, Rhinocyllus conicus Froelich at high elevations in the Rocky Mountains of Colorado.

Hicks, J.J., Beatty, S.W., Seastedt, T.R., Western North American Naturalist, 74, 99-107, DOI: 10.3398/064.074.0110,


Incorporating novel ecosystems into management frameworks.

Hulvey, K.B., Standish, R.J., Hallett, L.M., Staromski, B.M., Murphy, S.D., Nelson, C.R., Gardener, M.R., Kennedy, P.L., Seastedt, T.R., Suding, K.N., Novel Ecosystems. Intervening in the new ecological world order., West Sussex, UK, Wiley-Blackwell, R. J. Hobbs, E. Higgs, C. Hall, 157-171, DOI: 10.1002/9781118354186.ch18 ,


Changes in alpine vegetation over 21 years: Are patterns across a heterogeneous landscape consistent with predictions?.

Spasojevic, M.J., Bowman, W.D., Humphries, H.C., Seastedt, T.R., Suding, K.N., Ecosphere, 49, 9, DOI: 10.1890/ES13-00133.1,


Earthworms, arthropods and plant litter decomposition in aspen (Populus tremuloides) and lodgepole pine (Pinus contorta) forsests in Colorado, USA.

Gonzalez, G., Seastedt, T.R., Donato, Z., Pedobiologia, 47, 863-869,


Structure and Function of an Alpine Ecosystem: Niwot Ridge, Colorado.

Bowman, W.D., Seastedt, T.R., New York, Oxford University Press,

CU Boulder

This material is based upon work supported by the National Science Foundation under Cooperative Agreement #DEB-1637686. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necesarily reflect the views of the National Science Foundation.

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