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Re: Methane production
On Fri, Jun 4th, 2010 at 1:29 AM, "Richard W. Travsky" <firstname.lastname@example.org>
> When hunters arrived in North America and drove mammoths and other
> mammals to extinction, the methane balance of the atmosphere could
> changed as a result, triggering the global cool spell that followed.
> large grazing animals would have produced copious amounts of methane,
> potent greenhouse gas, from their digestive systems.
Surely if large herbivores got rarer, wouldn't something else simply be eating
the vegetation they
would have otherwise consumed (like lots of smaller herbivores)? A certain
quote from Baruch
Spinoza comes to mind. :-)
And if not, wouldn't all that 'extra' vegetation eventually decompose to form
GIS Specialist Australian Dinosaurs
Melbourne, Australia http://home.alphalink.com.au/~dannj