Jurriaan is absolutely correct. He might add that topsoil is an excellent carbon sink.
On Sat, Mar 12, 2011 at 11:01 AM, Jurriaan Bendien <[email protected]> wrote: > Probably much more devastating in the long term than most 'quakes or > tsunami's are man-made soil degradation and aquifer depletion. You can get a > short precis here: > http://www.globalchange.umich.edu/globalchange2/current/lectures/land_deg/land_deg.html > > J. > > > _______________________________________________ > pen-l mailing list > [email protected] > https://lists.csuchico.edu/mailman/listinfo/pen-l > -- Michael Perelman Economics Department California State University Chico, CA 95929 530 898 5321 fax 530 898 5901 http://michaelperelman.wordpress.com _______________________________________________ pen-l mailing list [email protected] https://lists.csuchico.edu/mailman/listinfo/pen-l
