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BIOL1510+F10+03+Evolutionary+Framework

BIOL1510+F10+03+Evolutionary+Framework - Dr Cara Gormally...

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Dr. Cara Gormally Director of Introductory Biology Labs at Georgia Tech B.A.*, St. John’s College, Maryland (*not a biology major!) Ph.D., University of Georgia Ecological & evolutionary responses of plant populations to the coastal dune environment
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Jekyll Sapelo Environmental gradients across the dunes Foredune Backdune Primary dunes How does one species occurring across this entire gradient respond to differences in environmental conditions? Secondary dune
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How is environmental variation along a shoreline- to- landward environmental gradient related to trait variation in U. paniculata ? Sapelo Island Nannygoat Beach PVC pipes marking survey sites
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Question 1. Summer 2006 & Fall 2008 Results Foredune, <10 m from shoreline Rest of transect (40-100 m) Gormally & Donovan, 2010, Estuaries & Coas Plants from <10 m from shoreline: …are taller & greater stem diameter …have higher tissue nitrogen & potassium …are more likely to flower Habitat <10 m from shoreline: … Soil is 31% more saline …94% more sand accretion (more burial) …higher levels of some soil nutrients
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1510 Labs Labs start next week (week of Aug. 30) Wear closed-toe shoes (no ballet flats or sandals) NEW lab manual & special carbon- paper lab notebook Check T-square lab site for more information!
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