Mountain Pine Tree -  POPULATION TRENDS

Use the resources below to analyze the current population trends of your keystone species. 

Consider the following questions:

  1. Is the population of your keystone species changing over time?

  2. If your keystone species population is changing over time, for how long has it been changing? 

  3. Is the population changing in certain parts of the Earth? Or, is it occurring everywhere?​
Source: Live Streaming of the Mountain Pine Beetle and Fire Forum, Wildfire Today.
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Source: Dynamics of Mountain Pine Beetle Outbreaks: http://www.math.usu.edu/powell/Heavilin-PowellCh16.pdf
Source: Climate Change in Rocky Mountain National Park: http://www.nps.gov/romo/learn/nature/upload/Climate_Change_RMNP_FAQ.pdf
Source: Climate Change in Rocky Mountain National Park: http://www.nps.gov/romo/learn/nature/upload/Climate_Change_RMNP_FAQ.pdf