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 Eagles, etc.. |
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Eagle, Falcon, Hawk Composite Population Graph
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Condor information from USFWS "In more recent times, the California condor has become the subject of an intense and sometimes controversial effort to save the species from extinction. Faced with rapidly declining numbers, scientists began collecting wild-laid eggs and capturing free-flying birds to breed them in captivity with the goal of eventually restoring the condor to its rightful place in the California skies. " "Condors were probably never very numerous in North America. The species once ranged along the entire Pacific Coast from British Columbia to Baja California. Fossils have been found as far east as Texas, Florida, and New York. More recently, however, they were confined to a horseshoe-shaped area north of Los Angeles." Unless you follow events closely, it can be difficult to separate hyperbole from fact in the effort to procalim ecological success stories. Sometimes one sees numbers which look large and positive. Like the 500% increase in California condors in a recent decade. But what do those stats really mean? Twenty five became 125. Still just north of a genetic min V pop of 100. After spending untold millions directly and tens of millions indirectly. And why? Because people know in their hearts that humans are overpopulated and are compelled to try to prove otherwise. Or at least try to create the illusion that it isn't so. In this regard, it is as if the real job of ecologist radio device fitters is to prove that humans are not overpopulated however ridiculous the cost or means. Until there is no more need to do so, ie, until anthropocentrification is complete and absolute. Because then, of course, it will be moot. In the overall scheme of things entry into heaven demands just such a trance state. Ecologists serve the valuable function of providing hope via a technological excuse for not doing anything about the disastrous ecological problem of human overpopulation. In this case the USFWS gets in on the act. They write that the condor was never very numerous. Hmm. Oh really? With 30 million bison and tens of millions of other large herbivores such as deer and antelope as a food source? That sounds incongruous.With a previous range from British Columbia to Baja and from new York to Florida the goal is simply to restore the condor to, "its rightful place in the California skies." A good example of goal post manipulation. It sounds more like some California eco-nuts to have a burning desire prove that the condor can be restored into a very inhospitable environment. Good luck. |
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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. |
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naturalsciences.sdsu.edu/classes/lab2.7/lab2.7.html |
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