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Top-Down And Bottom-Up Approaches To Understanding The Fate Of The Federally Endangered Schaus’ Swallowtail Butterfly (Heraclides Aristodemus Ponceanus), Jaeson T. Clayborn Dec 2017

Top-Down And Bottom-Up Approaches To Understanding The Fate Of The Federally Endangered Schaus’ Swallowtail Butterfly (Heraclides Aristodemus Ponceanus), Jaeson T. Clayborn

FIU Electronic Theses and Dissertations

The federally endangered Schaus’ swallowtail butterfly (Heraclides aristodemus ponceanus) populations have declined precipitously over the years. Despite tremendous efforts to augment the numbers of this butterfly through captive-bred releases and habitat enhancements, it remains imperiled and federally endangered. The dissertation’s objectives were: 1) to restore dry forest habitat in Biscayne National Park (BNP) for Schaus’ swallowtails; 2) to assess host plant (torchwood and wild lime) survivorship and growth in the restoration sites (BNP) and project dry forest habitat loss because of imminent sea level rise (SLR); 3) to quantify ant activity and record predator-prey interactions against Heraclides caterpillars …


Post-­Fire Alterations In Mechanical Strength Of Leaves In Heteromeles Arbutifolia, Andrew Hair, Madeline Dilascia, Nick Novella, Taylor Wurdeman Jan 2010

Post-­Fire Alterations In Mechanical Strength Of Leaves In Heteromeles Arbutifolia, Andrew Hair, Madeline Dilascia, Nick Novella, Taylor Wurdeman

Featured Research

Wildfires in the Santa Monica mountains in Southern California burn down a decent percentage of the local vegetation. However, some plants like Heteromeles Arbutifolia, are considered to be resprouters because they return a mere two years after being burnt down. It is hypothesized that the artificially browsed resprout leaves will have a lower tensile strength than both the young and adult leaves because they use a lower amount of carbohydrates per unit-leaf-area. Data showed that although there was a slight different between the young leaves and the adult leaves of the Heteromeles, there was no statistically significant difference between the …