Fred Pearce on “True Nature”

A quite interesting article by Fred Pearce on Yale 360, offering a fresh perspective on the issues of invasive species, ecosystem stability and Man being an integral part of Nature. See here.

Ecosystems begin to look a lot more accidental, random, and transient than niche theory would suggest. They are constantly being remade by fire and flood, disease, and the arrival of new species. They are a hodgepodge of native and alien species. This fits a rival model for how ecosystems work called “ecological fitting,” first articulated by the legendary U.S. ecologist Daniel Janzen of the University of Pennsylvania. He said that co-evolution is a bit-part player in ecosystems; most of the time, species muddle along and fit in as best they can. […] The good news from all this is that nature emerges as resilient and adaptable, able to bounce back from the worst we can throw at it. And that raises a final heretical question. In an era of coming rapid climate change, if any species are going to thrive surely it will be the desperadoes, stowaways, and vagabonds that have been hitching a ride around the world with humans — species that, in some respects, closely resemble us. So if novel is the new normal, should we be encouraging their travels, rather than stopping them at the border?

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Climate Change and the Long Winter 2013

Where is the global warming? After a rather long and hard winter this year, many Europeans ask this question. The media have been spreading the terrible scenarios of a human-made global warming for years. But in Europe and many other parts of the Northern Hemisphere, in April there was still a lot of snow outside. Reason enough to become doubtful. Seemingly. Actually, however, the winter of 2013 is perfectly fitting the picture drawn by climate science. To understand why, we have to answer a few preliminary questions first. Continue reading