Modeling canopy foliar traits and disturbance interactions in central Texas woodlands.

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dc.contributor.advisor White, Joseph Daniel. Thomas, Jonathan Armstrong, 1981-
dc.contributor.other Baylor University. Dept. of Biology. en 2009-05
dc.description.abstract The present study examines canopy foliar traits and their interactions with the greater ecosystem at multiple scales. Leaf mass/area ratios, nitrogen, and phosphorus were measured and were shown to correlate with relative light levels in some species. Leaf nutrition is used as the basis for a leaf development model. Leaf mass and leaf area index data are utilized to calculate canopy fuels. Species presence/absence at sites is shown to result in significantly different crown fuel loadings. A multiple linear regression approach was adopted to create mapping that takes into account crown bulk density (CBD) spatial heterogeneity. This mapping was used for a series of crown fire simulation comparisons. Fire simulation data show significantly greater frequency of active crown fire occurrence with modeled CBD mapping. Active crown fire initiation is shown to be a function of fuel contiguity levels not achieved by average CBD mapping. en
dc.rights Baylor University theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. Contact for inquiries about permission. en
dc.subject Forest canopy ecology. en
dc.subject Ecological disturbances. en
dc.subject Ecological heterogeneity. en
dc.subject Trees -- Physiology --- Texas. en
dc.subject Forest fires -- Simulation methods. en
dc.subject Balcones Canyonlands National Wildlife Refuge (Tex.) en
dc.title Modeling canopy foliar traits and disturbance interactions in central Texas woodlands. en
dc.type Thesis en M.S. en
dc.rights.accessrights Worldwide access en
dc.contributor.department Biology. en

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