Superb piece from Chris Perley
We have spread across and changed our world. Change is the constant. But it is maintaining the integrity of our systems that is more important than whether there is any particular ‘natural state’.
I doubt there is any such thing as a natural state. I was taught climax ecology in the early 80s, but by the mid 80s Pickett & White and Daniel Botkin were strongly suggesting that the idea of a deterministic path to some natural ‘climax’ was very dubious indeed.
It has been thousands of years since the Earth had pristine landscapes. A new article identifies four major phases when humans shaped the world around them with broad effects on natural ecosystems: global human expansion during the Late Pleistocene; the Neolithic spread of agriculture; the era of humans colonising islands; and the emergence of early urbanised societies and trade. Credit: po808 / Fotolia
The whole idea is…
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