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Footprints to singularity: A global population model explains late 20th century slow-down and predicts peak within ten years by Christopher Bystroff is a book available to read on EtoBox.

What is Footprints to singularity: A global population model explains late 20th century slow-down and predicts peak within ten years about?

Projections of future global human population are traditionally made using birth/death trend extrapolations, but these methods ignore limits. Expressing humanity as a K-selected spe- cies whose numbers are limited by the global carrying capacity produces a different outlook. Population data for the second millennium up to the year 1970 was fit to a hyper-exponential growth equation, where the rate constant for growth itself grows exponentially due to growth of life-saving technology. The discrepancies between the projected growth and the actual population data since 1970 are accounted for by a decrease in the global carrying capacity due to ecosystem degradation. A system dynamics model that best fits recent population numbers suggests that the global biocapacity may already have been reduced to one-half of its historical value and global carrying capacity may be at its 1965 level and falling. Simula- tions suggest that population may soon peak or may have already peaked. Population pro- jections depend strongly on the unknown fragility or robustness of the Earth’s essential ecosystem services that affect agricultural production. Numbers for the 2020 global census were not availabl

Author

Christopher Bystroff

Language

EN