Definitely take a look at WiSP.
http://www.ruwpa.st-and.ac.uk/estimating.abundance/WiSP/
Mark
==
Mark Herzog
Post Doctoral Researcher
Dept. of Natural Resources and Environmental Science
University of Nevada Reno
Reno, NV 89512
(775) 784-6984 (office)
Or better yet skip the whole significantly different all together, and figure out if
a model with 2 slopes explains the data better than a model with 1-- AIC's!
Mark
-Original Message-
From: Brett Magill [mailto:[EMAIL PROTECTED]
Sent: Sun 7/20/2003 7:12