"Bootstrapping" is a process that allows scientists to ensure that their statistical data sets are correct by doing hundreds of random samplings.

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Warming induced early leaf bud bursts, growth, and reproduction but did not effect senescence. Study was performed in multiple sites in the arctic region over a course of four years.

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Warming induced early leaf bud bursts, growth, and reproduction but did not effect senescence. Study was performed in multiple sites in the arctic region over a course of four years.

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Sea ice decline due to global warming is effecting plant productivity in arctic regions.

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Sea ice decline due to global warming is effecting plant productivity in arctic regions.

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Heat sum increases for flowering and senescence

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Heat sums have increased over time for flowering and senescence.

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Climate change will result in a shifting of where plants are usually located on the planet. Southern plants will move into higher latitudes, for example.

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Vertical lines in these graphs represent error bars, which represent the level of uncertainty in results. The larger the variation in data, the longer the error bars will be. These graphs have been created with 95% certainty.

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This p value is considered "significant", meaning that the results did not happen by chance.

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P values greater than .001 are generally considered insignificant in statistics

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S.F. Oberbauer's previous work:

National Science Foundation – Ecosystems. Causes and implications of dry season control of tropical wet forest tree growth at very high water levels: direct vs. indirect limitations (CARBONO - VERANO project).

National Science Foundation – Polar Programs. Arctic Observing Networks: Collaborative Research: Sustaining and amplifying the ITEX AON through automation and increased interdisciplinarity of observations (AON-ITEX).

NSF-Arctic Natural Sciences. Collaborative Research; cold-season gas exchange of arctic plants - resolving winter carbon and water balances of Alaskan arctic tundra (Coldseason project).

NSF -IPY Arctic Observing Networks � Study of Arctic ecosystem changes in the IPY using the International Tundra Experiment. (ITEX-IPY)

DOE-NICCR. Response of carbon dioxide, water, and energy exchange of peat and marl wetlands in the Florida Everglades to changes in hydroperiod (Evergladesflux).

NSF-Biocomplexity. Biocomplexity Associated with the Response of Tundra Carbon Balance to Warming and Drying Across Multiple Scales. Barrowbiocomplexity (this project has sunsetted). Effects of increased season length on plant phenology, community composition, productivity, and ecosystem carbon fluxes in Alaskan tundra Season project (this project has sunsetted)

Carbon stockes and fluxes in a tropical rain forest in Costa Rica Carbono project

NSF- Integrated carbon program. Understanding interannual NEE variability in a tropical rain forest using constrained estimates of carbon exchange. S.F. Oberbauer, D.A. Clark, M. Ryan, D.B. Clark. Carbono-Towers

National Science Foundation - Biocomplexity of the Environment Coupled Biogeochemical Cycles. Complex interactions among water, nutrients and carbon stocks and fluxes across a natural fertility gradient in tropical rain forest. (CICLOS PROJECT).

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