North America Regional Impacts and Indicators

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Top: Science: Environment: Global_Change: Impacts_and_Indicators: Regional: North_America:

• Top/Regional/North America/Science and Environment

• - Presentation by Christopher Field of the Department of Global Ecology, Carnegie Institute of Washington. Includes brief text and pictorial evidence of altered range limits, responses to experiments, responses to earlier springs, trends in plant growth acr
  
• - Discusses the present and future effects of global warming on biological diversity within the mountainous regions of northwestern Montana, southwestern Alberta, and southeastern British Columbia.