◊ Determining the role of browse and cacti in wildlife nutrition in semiarid areas

◊ Determining the effects of habitat manipulation on native wildlife and vegetation

◊ Understanding animal-plant interactions in semiarid habitats

◊ Understanding the role of anti-herbivore defense mechanisms in woody plants and determining how these defenses affect herbivore nutrition

◊ Developing techniques of restoring native woody and herbaceous plant communities and wildlife habitat in semiarid areas

◊ Understanding the ecology of invasive exotic plants & the mechanisms by which they invade

◊ Determining the effects of exotic plant invasion on native wildlife

◊ Developing methods of reestablishing native plant communities beneficial to wildlife in areas that are invaded by exotic plants