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Lecture 15-las-review - Review(with a focus on Florida...

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Review (with a focus on Florida) Clyde Butcher LAS 22 February 2010
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Objectives: Review a few key concepts that were presented earlier in the semester Learn something more about Florida ecosystems in the process
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Forming good hypotheses researcher is interested in fire in sandhill forests. They want to investigate if the season that fire occurs affects tree survival and they are interested in two main groups of trees – deciduous oaks and evergreen longleaf pine. omponents of a good hypothesis - hat are we comparing? aks and pines eason of fire hat are we measuring? urvival What is the response variable)?
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Forming good hypotheses researcher is interested in fire in sandhill forests. They want to investigate if the season that fire occurs affects tree survival and they are interested in two main groups of trees – deciduous oaks and longleaf pine. aks and pines will differ in survival. ak survival will differ depending on season of fire. possible hypothesis: he survival of deciduous oak species will be least affected by burning during the dormant season and most affected during the early stages of the growing season while vulnerability of longleaf pines
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leaf mining moth is known to attack Quercus  geminata  (sand hill live oak). Interestingly, attack intensities can vary greatly between neighboring trees. Two researchers (Mopper and Simberloff) decided to investigate underlying causes of differences in attack intensities. One thing that they quantified was timing of spring leaf production.
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