Extraction of fractional cover from spaceborne hyperspectral data for rangeland monitoring

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Rangeland occupies 47% of the Earth's land surface and represents a major source of food production. There are 40 million acres of native rangeland in western Canada. Rangeland is crucial to sustain soil quality, enhance the availability of clean water, sequester carbon dioxide and maintain biodiversity. Improper rangeland management practices can cause severe degradation that can lead to irreversible changes of this ecosystem. There is an urgent need for timely information on the state of rangeland for the protection of these resources and long-term sustainability.