"Who gives a hoot about habitat?"

Tapirs have lost most of their habitat and are still losing habitat rapidly. This amount of fragmentaion is more than sufficient to render the habitat unsuitable for tapirs.

Tapir Composite Population Graph

Click for larger.

This little graph shows the increase in human numbers in the last few thousand years. In this case, the distance from 1,000 million to 7,600 million is 7.6 times the distance from zero to 1,000 million. 7.6 billion is demographers' mid projection. Graph curve is from Learning Tools, KQED TV, San Francisco, a PBS educational tv station. Overpopulation denialists right and left have asked about the source, so now you know. The leader of the Task Force on Amphibian Decline living in Britain objected calling the graph extreme and, "off the scale." But it isn't. It is simply demographer's mid projection.

Usually when such a graph is drawn, a short time scale is used. But an evolutionarily significant time scale can more easily show relevant amounts of increase per unit of time.

The distance from 1,000 million to 7,600 million is 7.6 times the distance from zero to 1,000 million. The graph is an accurate representation.

Source:
KQED, a PBS program available on video tape to eligible schools and non-profit groups. 60 minutes. To Order: Call Films for the Humanities, 1.800.257.5126
http://www.pbs.org/kqed/population_bomb/hope/teacher.html

naturalsciences.sdsu.edu/classes/lab2.7/lab2.7.html

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