Last of the Wild

  1. Exactly how is the Human Footprint Value calculated? I need to know how the normalization was performed.
  2. For which part of the earth's land surface is the human footprint data available?
  3. How is the Composite map of the Human Influence Index performed (0-64)?
  4. Since the footprint data uses the spheroid GRS1980, can I just define it as NAD1983? I know that NAD1983 uses GRS1980, but I am not sure if I can define this layer as datum-based instead of spheroid-based.
  5. What is the Human Footprint Index?
  6. What is the Human Influence Index?
  7.  What is the Last of the Wild?

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