On Sun, 30 Apr 2000 Shalima528@aol.com wrote:
> I have a question in the field of mapping science.
> How does one calculate the total population of whales in a specific ocean?
> With satellites, Ariel photography, sensors, etc.?
> Cheryl Hamilton
Total whale populations are basically done statistically using transects.
A transect is a means of defining the rules by which data is collected in
a set area or areas and then the estimate of a total population is
calculated. This would have to be done for each population of a
particular species. It isn't easy and has sometimes has a wide margin of
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