Thursday, February 25, 2010

population control:peer review sources

"Human influence on the planet has increased more human population"
Our population has increased a lot and because of that we have more problems becasue we are contributing more than we put out. Acording to this article by JSTOR from 1860-1991 human use of energy went from 1 billion megawatt hours per year to 93 billion megawatts hours per year and that is probably way over the limit now.
".....In 1992 assumed that the Worldwide average number of children born to a women during her lifetime at current birthrates would fall to 2.5 children per women...by 2050 the number would in increase to 12.5 billion.

This is very interesting how population goes. Its a bad thing that we are becoming over-populated, but at the same time we dont want to limt so much that we become under-populated so how do we fix the problem with creating a even bigger problem?


Another reading that I read was a short passage of a critique of someones writing on population control. One quote that stuck out to me was "population in different trophic levels are expected to differ in the methods of control." It stuck out to me because I don't quite understand what it means and i that's something I can further study on. Other things that came up in the reading was carnivore and herbivore and how than stand with the whole population control.

Cites
Cohen, Joel E. Population Growth and Earth's Human Carrying Capacity. Publication. Web. http://www.homepage.montana.edu/~wwwbi/staff/creel/bio480/cohen.pdf.

The "Balance of Nature" and "Population Control"P. R. Ehrlich and L. C. BirchThe American Naturalist, Vol. 101, No. 918 (Mar. - Apr., 1967), pp. 97-107 (article consists of 11 pages)Published by: The University of Chicago Press for The American Society of NaturalistsStable URL: http://www.jstor.org/stable/2459443

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