Re: Campanian question

[Dinogeorge@aol.com]

In a message dated 96-01-31 17:38:12 EST, bervoets@nrc.nl (Fred Bervoets)
writes:

>Could it be that  the explanation of the "diversity explosion" among the
>dinosaurs in the Campanian was a result of an attempt to adapt to a rapidly
>changing environment? The climate was stable until the first half of the
>Creteceous period, after that the climate was cooling down, slowly at first
>but later on must faster. Also the flora changed at the end of the
>Cretaceous period, the first flowering plants eppear. In a stable
>environment there wouldn't be a need to change but in a unstable environment
>that changend "quickly" animals would have to adapt to the new circumstances
>in order to survive. So was the Campanian actual a verry unfavourable period
>for the dinosaurs instaead of a good one as dr. Norman says in his book
>Dinosaurs? 
>
>

Who knows. Right now, I consider it most likely that the origin of the
"Campanian explosion" is the accessibility and productivity of Judith River
and Edmonton strata.