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Brigham Young University

2009

GIS

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Predictive Modeling Of Sulfur Flower Buckwheat (Erigonum Umbellatum Torrey) Using Non-Parametric Multiplicative Regression Analysis, David B. Davis Nov 2009

Predictive Modeling Of Sulfur Flower Buckwheat (Erigonum Umbellatum Torrey) Using Non-Parametric Multiplicative Regression Analysis, David B. Davis

Theses and Dissertations

Impacts of humans on ecosystems in western United States have necessitated ecological restoration, which includes the development of native seed that can be used for revegetation efforts. Development of such seed sources are costly and time consuming. This study describes the use of non-parametric multiplicative regression analysis (NPMR) to develop a predictive model for occurrence of sulfur-flower buckwheat (Eriogonum umbellatum Torrey) population seed collection. This perennial forb species is of interest for seed source development in the western United States. Presence and absence data for E. umbellatum was taken from the Utah Division of Wildlife Resources Big Game Range …