On Sep 10, 2011, at 4:31 PM, Jane Shevtsov wrote: > What fraction of the "weeds" affecting agriculture are native?
Good question. Don't forget the corollary: what fraction of the crops being affected by "weeds" are non-native? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Madhusudan Katti Associate Professor of Vertebrate Biology Department of Biology, M/S SB73 California State University, Fresno Fresno, CA 93740-8034 Email: [email protected] Tel: 559.278.2460 Fax: 559.278.3963 Lab: http://www.reconciliationecology.org/ ULTRA: http://urban-faces.org/ Blog: http://leafwarbler.posterous.com/ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
