Dr. Villablanca of the Cal Poly Biology Department commissioned this project with the goal of tracking Monarch Butterfly spatial redistribution in anticipation of or response to severe weather events. We believe that Monarchs cluster non-preferentially on introduced Eucalyptus trees until midwinter when they begin to cluster preferentially on native conifers. Based on the efforts of a previous group of students, it has been deter- mined that, over a two-week time period in mid-winter, Monarchs spend the majority of their time on native conifers. We set out to clearly demonstrate Monarch Butterfly spatial redistribution in either anticipation of or response to severe weather.
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Johnson, Brett; Wycko, Jesse; Goldthwaite, Daniel; and Brown, Tyler
"Mapping The Movement of Overwintering Western Monarch Butterflies (Danaus Plexippus) at the Pismo Beach Monarch Butterfly Grove Using ARCGIS Software,"
1, Article 8.
Available at: http://digitalcommons.calpoly.edu/symposium/vol2/iss1/8