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How Earth's Ecosystems are Changing
Banner for the Earth's Changing Ecosystem telecon


Changes to Earth's ecosystems are evident in recent research that employs NASA remote-sensing data. Panelists will discuss several topics, including the impact of shrinking Arctic sea ice on marine ecosystems, how invasive species alter the biochemistry of local ecosystems, the role of climate change on the length of growing seasons and ecosystems, and seasonal changes in phytoplankton and the consequences on marine ecosystems.


  • Diane Wickland, program manager, Terrestrial Ecology Program, NASA Headquarters, Washington
  • Kevin Arrigo, associate professor and director, Graduate Program in Earth, Energy, and Environmental Sciences, Stanford University, Palo Alto, Calif.
  • Alfredo Huete, professor, Department of Soil, Water and Environmental Science, University of Arizona, Tucson
  • Jorge L. Sarmiento, professor of geosciences and director, Atmospheric and Oceanic Sciences Program, Princeton University, Princeton, N.J.
  • Gregory Asner, assistant professor, Department of Global Ecology, Carnegie Institution, Stanford, Calif.


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    Contact Information

    Dwayne Brown
    Headquarters, Washington

    Kathryn Hansen
    Goddard Space Flight Center

    Event Information

    The media briefing will take place on Tuesday, April 29, 2008 at 1:30 p.m. EDT at the University of Maryland University College Inn & Conference Center.

    Reporters in the U.S. can participate in the teleconference by dialing 1-800-593-9948. International reporters can participate by dialing 1-773-681-5843. The passcode is ECOSYSTEM.

    Audio of the teleconference will be streamed live on NASA's Web site at: >

    Kathryn Hansen
    NASA's Goddard Space Flight Center