Doesn't your question depend somewhat on what "ecosystem" and "collapse" means to you?
Warren W. Aney Tigard, Oregon -----Original Message----- From: Ecological Society of America: grants, jobs, news [mailto:ecolo...@listserv.umd.edu]on Behalf Of Wayne Tyson Sent: Thursday, June 04, 2009 20:06 To: ECOLOG-L@LISTSERV.UMD.EDU Subject: [ECOLOG-L] Ecosystem function at the most basic level Ecolog: In that complex ballet between organisms and their "hosts" or "prey" at every level of life, just what is it that keeps the ecosystem from collapsing? WT