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Growing Season Length and Soil Moisture Interactively Constrain High Elevation Aboveground Net Primary Production.

Berdanier, AB, Klein, JA, Ecosystems 14 (6) :963-974 , DOI: 10.1007/s10021-011-9459-1


Initial design of data sharing infrastructure for the Critical Zone Observatory.

Zaslavsky I., Whitenack, T., Williams, M., Tarboton, D., Schreuders, K.A.T., Aufdenkampe, A., Proceedings of the Environmental Information Management Conference (EIM 2011), Jones, M.B. and Gries, C., University of California, Oakland :145-150 , DOI: 10.5060/D2NC5Z4X

Niwot personnel authors: Mark W. Williams


Comparison of ozone concentrations on a surface elevation gradient with balloon-borne ozonesonde measurements.

Brodin, M., Helmig, D., Johnson, B., Oltmans, S., Atmospheric Environment 45 :5431-5439


Estimating phosphorus availability for microbial growth in an emerging landscape.

Schmidt, S.K., Cleveland, C.C., Nemergut, D.R., Reed, S.C., King, A.J., Sowell, P., Geoderma 163 :135-140


Phylogeography of microbial phototrophs in the dry valleys of the high Himalayas and Antarctica.

Schmidt, S.K., Lynch, R.C., King, A.J., Karki, D., Robeson, M.S., Nagy, L., Williams, M.W., Mitter, M.S., Freeman, K.R., Proceedings of the Royal Society B 278 :702-708


Microbial biomass and activity in high elevation (>5100 meters) soils of the Annapurna and Sagarmatha regions of the Nepalese Himalayas.

King, A.J., Karki, D., Nagy, L., Racoviteanu, A., Schmidt, S.K., Himalayan Journal of Sciences , DOI: 10.3126/hjs.v6i8.2303


An inter-annual assessment of the relationship between the stable carbon isotopic composition of ecosystem respiration and climate in a high elevation subalpine forest.

Riveros-Iregui, D.A., Hu, J., Burns, S.P., Bowling, D.R., Monson, R.K., Journal of Geophysical Research 116 :G02005


Atmospheric stability effects on wind fields and scalar mixing within and just above a subalpine forest in sloping terrain.

Burns, S.P., Sun, J., Lenschow, D.H., Oncley, S.P., Stephens, B.B., Yi, C., Anderson, D.E., Hu, J., Monson, R.K., Boundary-Layer Meteorology 138 :231-262


Reconstructing the Glacial History of Green Lakes Valley, North Boulder Creek, Colorado Front Range.

Duhnforth, M., Anderson, R.S., Arctic, Antarctic, and Alpine Research 43 :527-542


Multi-Decadal Changes in Tundra Environments and Ecosystems: Synthesis of the International Polar Year-Back to the Future Project (IPY-BTF).

Callaghan, T.V., Tweedie, C.E., Akerman, J., Andrews, C., Bergstedt, J., Butler, M.G., Christensen, T.R., Cooley, D., Dahlberg, U., Danby, R.K., Daniels, F.J.A., de Molenaar, J.G., Dick, J., Ebbe Mortensen, C., Ebert-May, D., Emanuelsson, U., Eriksson, H., Hedenas, H., Henry, G.H.R., Hik, D.S., Hobbie, J.E., Jantze, E.J., Jaspers, C., Johansson, C., Johansson, M., Johnson, D.R., Johnstone, J.F., Jonasson, C., Kennedy, C., Kenney, A.J., Keuper, F., Koh, S., Krebs, C.J., Lantuit, H., Lara, M.J., Lin, D., Lougheed, V.L., Madsen, J., Matveyeva, N., McEwen, D.C., Myers-Smith, I.H., Narozhniy, Y.K., Olsson, H., Pohjola, V.A., Price, L.W., Riget, F., Rundqvist, S., Sandstrom, A., Tamstorf, M., Van Bogaert, R., Villarreal, S., Webber, P.J., Zemtsov, V.A., Ambio 40 :705-716


Effects of nitrogen deposition and empirical nitrogen critical loads for ecoregions of the United States.

Pardo, L.H., Fenn, M., Goodale, C., Geiser, L., Driscoll, C., Allen, E., Baron, J., Bobbink, R., Bowman, W.D., Clark, C., Emmett, B., Gilliam, F., Greaver, T., Hall, S., Lilleskov, E., Liu, L., Lynch, J., Nadelhoffer, K., Perakis, S., Robin-Abbott, M., Stoddard, J., Weathers, K., Dennis, R., Ecological Applications 21 :3049-3082


Hot spots of inorganic nitrogen availability in an alpine-subalpine ecosystem, Colorado Front Range.

Darrouzet-Nardi, A., Bowman, W.D., Ecosystems 14 :848-863


Nitrogen deposition decreases acid buffering capacity of alpine soils in the southern Rocky Mountains.

Lieb, A.M., Darrouzet-Nardi, A., Bowman, W.D., Geoderma 164 :220-224


Soil rotifer communities are extremely diverse globally but spatially autocorrelated locally.

Robeson, M.S., King, A.J., Freeman, K.R., Birky, Jr., C.W., Martin, A.P., Schmidt, S.K., Proceedings of the National Academy of Science , DOI: 10.1073.pnas.1012678108


Ecophysiological variation in two provenances of Pinus flexilis seedlings across an elevation gradient from forest to alpine.

Reinhardt, K., Castanha, C., Germino, M.J., Kueppers, L.M., Tree Physiology 31 :615-625 , DOI: 10.1093/treephys/tpr055


Contrasting effects of hemiparasites on ecosystem processes: can positive litter effects offset the negative effects of parasitism?.

Spasojevic, M.J., Suding, K.N., Oecologia 165 :193-200 , DOI: 10.1007/s00442-010-1726-x


Forecasting alpine vegetation change using repeat sampling and a novel modeling approach.

Johnson, D.R., Ebert-May, D., Webber, P.J., Tweedie, C.E., Ambio 40 :693-704 , DOI: 10.1007/s13280-011-0175-z


21st century climate change threatens mountain flora unequally across Europe.

Engler, R., Randin, C.F., Thuiller, W., Dullinger, S., Zimmermann, N.E., Araujo, M.B., Pearman, P.B., Le Lay, G., Piedallu, C., Albert, C.H., Choler, P., Coldea, G., De Lamo, X., Dirnbo, T., Gegout, J.-C., Gomez-Garcia, D., Grytnes, J.-A., Heegaard, E., Hoistad, F., Nogues-Bravo, D., Normand, S., Puscas, M., Sebastia, M.-T., Stanisci, A., Theurillat, J.-P., Trivedi, M.R., Vittoz, P., Guisan, A., Global Change Biology , DOI: 10.1111/j.1365-2486.2010.02393.x


Global distribution of Polaromonas phylotypes - evidence for a highly successful dispersal capacity.

Darcy, J.L., Lynch, R.C., King, A.J., Robeson, M.S., Schmidt, S.K., PLoS ONE 6 (8) :e23742 , DOI: 10.1371/journal.pone.0023742


Snow measurement by GPS interferometric reflectometry: an evaluation at Niwot Ridge, Colorado.

Gutmann, E.D., Larson, K,M., Williams, M.W., Nievinski, F.G., Zavorotny, V., Hydrologic Processes , DOI: 10.1002/hyp.8329


Stream water chemistry along an elevational gradient from the Continental Divide to the foothills of the Rocky Mountains.

Williams, M.W., Barnes, R.T., Parman, J.N., Freppaz, M., Hood, E., Vadose Zone Journal 10 :900-914 , DOI: 10.2136/vzj2010.0131


Productivity is a poor predictor of plant species richness.

Adler, P.B., Seabloom, E.W., Borer, E.T., Hillebrand, H., Hautier, Y., Hector, A., Harpole, W.S., O'Halloran, L.R., Grace, J.B., Anderson, T.M., Bakker, J.D., Biederman, L.A., Brown, C.S., Buckley, Y.M., Calabrese, L.B., Chu, C.-J., Cleland, E.E., Collins, S.L., Cottingham, K.L., Crawley, M.J., Damschen, E.I., Davies, K.F., DeCrappeo, N.M., Fay, P.A., Firn, J., Frater, P., Gasarch, E.I., Gruner, D.S., Hagenah, N., Hille Ris Lambers, J., Humphries, H., Jin, Virginia L., Kay, A.D., Kirkman, K.P., Klein, J.A., Knops, J.M., La Pierre, K.J., Lambrinos, J.G., Li, W., MacDougall, A.S., McCulley, R.L., Melbourne, B.A., Mitchell, C.E., Moore, J.L., Morgan, J.W., Mortensen, B., Orrock, J.L., Prober, S.M., Pyke, D.A., Risch, A.C., Schuetz, M., Smith, M.D., Stevens, C.J., Sullivan, L.L., Wang, G., Wragg, P.D., Wright, J.P., Yang, L.H., Science 333 :1750-1753


The accretion of aeolian dust in soils of the San Juan Mountains, Colorado, USA.

Lawrence, C.R., Neff, J.C., Farmer, G.L., Journal of Geophysical Research 116 :F02013 , DOI: 10.1029/2010JF001899


Persistent wind-induced enhancement of diffusive CO2 transport in a mountain forest snowpack.

Bowling, D.R., Massman, W.J., Journal of Geophysical Research 116 :G04006 , DOI: 10.1029/2011JG001722


Rapid soil organic matter loss from forest dieback in a subalpine coniferous ecosystem.

Xiong, Y., D'Atri, J.J., Fu, S., Xia, H., Seastedt, T.R., Soil Biology & Biochemistry 43 :2450-2456


Internal structure of the Green Lake 5 rock glacier, Colorado Front Range, USA.

Leopold, M., Williams, M.W., Caine, N., Voelkel, J., Dethier, D., Permafrost and Periglacial Processes , DOI: 10.1002/ppp.706


Patterns of trait convergence and divergence among native and exotic species in herbaceous plant communities are not modified by nitrogen enrichment.

Cleland, E.E., Clark, C.M., Collins, S.L., Fargione, J.E., Gough, L., Gross, K.L., Pennings, S.C., Suding, K.N., Journal of Ecology 99 :1327-1338 , DOI: 10.1111/j.1365-2745.2011.01860.x

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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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