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Global Warming
Part 1 of Paper
....people there are, but also upon what they do. When there
were few people, the dominant factors controlling ecosystem state were the
natural ones that have operated for millions of years. The human population has
now grown so large that there are concerns that they have become a significant
element in ecosystem dynamics.... Part 2 of Paper
....OPULATION GROWTH
Many of us have seen linear graphs of human population showing the enormous
growth in the last two centuries. However, significant changes in population
dynamics are lost in the exponential growth and long time scales. If the data
are replotted on a log-population by log-time scale, significant population
dynamics emerge. First, it is apparent that population growth has occurred in
three surges and second, that the time between surges has dramatically shortened
(Deevey, 1960).
.... |
| Number of words: 2521 - Approximate pages: 10 |
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