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Butterfly Community Variation in <br />Urban,Fragments of the <br />ColoradgFront Range <br />Natalie Robintop <br />University of Colorado, Boulder <br />Brief Project Background <br />1) Correlate: Unique suites of life - history traits butterfly species with multiple biotic & °biotic <br />features, <br />Specie3 Traits Habitat Characteristics <br />alel <br />Breadth <br />Ovenvintering \+ <br />Strategy <br />Broods /year ,.._ <br />Shape <br />ComplexiIy <br />Habitat <br />Area <br />2). Create occupancy models that explain species- speoilc occurrence patterns across <br />study area <br />3) Determinewhich combinations of landscape features and lifahistorytrails: <br />Are conducive to the existence of some species in particularhagments <br />- Create barriers to the existence oFother species in the same fragments <br />What Can we Learn from Butterflies? <br />Butterflies are-very useful monitors: <br />Found in manyhabitat types (landscape -wide) <br />Close association with-plants <br />Highly sensitive and responsive._ <br />- Climate variation <br />Indicator Specles <br />- Habitat quality = <br />Outline <br />- Introduction <br />A bit about my dissertation research <br />What butterflies tell us about environments <br />-Study System N, <br />All habitat fragments., <br />Site characteristics at Warembourg Open Space <br />- Conclusions <br />What does this tell us about <br />Warembourg? <br />N <br />- Butterfly Surveys <br />Methods <br />Some results <br />Comparisons among sites <br />- 12 Fully "bound" urban <br />habitat fragments <br />- Consistent habitat <br />type (grassland) <br />- All fragments = Open <br />Space (largely <br />unmanaged) <br />- Habitats along 45 -mile <br />stretch of Front <br />Range <br />'L Variation <br />Variation in area f / <br />(2.53 -51:3 ha) <br />fi <br />Environmenta}- <br />variatioa4Water <br />sou /9S, etc...) <br />4/7/2011 <br />1 <br />