February 26, 2016
These pie charts show how the population was distributed between the 12 major winter colonies from 2009-2010 to the present.
Guiding Questions
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What similarities and differences are revealed when comparing years?
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Why is it valuable to have information from more than one year?
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If you only looked at one year, which sanctuaries would you say needed to be protected? How might that change if you looked at more years?
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What predictions could you make about the future based on these graphs?