>In this area most of the landscape was originally forest and the
>grass we have today were mostly introduced. You can walk through
>forested areas and tell the history somewhat by looking at the
>grass and knowing when each grass was introduced to the area.
>Forest areas that have not been logged will be grass free. If
>you find old pasture grasses then logging occurred about a 100
>years ago. Of course, the stumps also tell a story <grin>.
>
> ----------
Of course man has been burning off the prairies to encourage new grass for
buffalo and hence killing off any adventitious tree seedlings for a heck of
a long time - having noticed that dear old Gaia used lightning to do the
same thing
kathryn
