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Rocky Mountain Bio Lab: Wildflowers
http://video.nationalgeographic.com/video/player/environment/global-warming-environment/rm-wildflowers.html

National Geographic

This video explores the work of environmentalist John Hart, a Professor of Environmental Science at U.C. Berkley. In the Rocky Mountains of Colorado, Dr. Hart has established an experimental laboratory in which he has artificially created and maintained a 3-degree increase in surface temperature of a plot of land, and documented the impact on plant species occupying the plot.

Video length: 3:37 min.

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Notes From Our Reviewers The CLEAN collection is hand-picked and rigorously reviewed for scientific accuracy and classroom effectiveness. Read what our review team had to say about this resource below or learn more about how CLEAN reviews teaching materials
Teaching Tips | Science | Pedagogy | Technical Details

Teaching Tips

About the Science

  • Hart has established an artificial heating effect on the meadow plants, suspecting that the 3-degree temperature increase may result in the reduction of flowering plants.
  • Hart has been conducting this experiment since the 1970s within this ecosystem.
  • Results since 1991 show evidence of change in the abundance of different species of plants as a result of the increased temperature.
  • Comments from expert scientist: This is a great resource. It's just a short video, but it does show something quite valuable- a very simple, easy to understand experiment.

About the Pedagogy

Technical Details/Ease of Use

  • A short 15-second commercial/advertisement at the beginning of the video may be distracting to some viewers.

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