James H. Thorne, Joshua O'Brien, Matthew L. Forister, and Arthur M. Shapiro. 2006. Building phenological models from presence/absence data for a butterfly fauna. Ecological Applications 16:1842–1853.

Appendix A. Habitat types at Gates Canyon in the California Coast Ranges, USA .

A
B
C
Photos showing habitat types at Gates Canyon in the California coast ranges. (A) A transect begins on the Pleasants Valley floor and ascends Gates Canyon about halfway to the upper ridge line, passing through a variety of habitats including oak woodland (B), and riparian (C). Photo credits: J. O'Brien (A–B) and A. Shapiro (C).