________________________________________ Errata for Ecol Model, 187(4), 524 - 536 ________________________________________ 1. Please read the PDF version from Elsevier's web site; the HTML version from Elsevier, unfortunately, contains many errors. Somehow the type-setter did not fully correct all the typos. 2. Here is a typo that I have found in the PDF and the printed version: page 526, right column, line 4-5, should be: ... one can first estimate the scores z_i (i=1,2,...,n) and then simply regress z_i onto x_i ...