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Dramatic response to climate change in the Southwest: Robert Whittaker's 1963 Arizona Mountain plant transect revisited
Models analyzing how Southwestern plant communities will respond to climate change predict that increases in temperature will lead to upward elevational shifts of montane species. We tested thisExpand
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Introduction to the Arizona Sky Island Arthropod Project (ASAP): Systematics, Biogeography, Ecology, and Population Genetics of Arthropods of the Madrean Sky Islands.
The Arizona Sky Island Arthropod Project (ASAP) is a new multi-disciplinary research program at the University of Arizona that combines systematics, biogeography, ecology, and population genetics toExpand
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Vegetation and vascular flora of Ironwood Forest National Monument, Pima and Pinal Counties, Arizona.
Ironwood Forest National Monument, created in 2000, is located west of Tucson and south of Casa Grande, in Pima and Pinal Counties, south-central Arizona. The boundaries encompass parts or all ofExpand
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REPLY TO C. DAVID BERTELSEN: REVIEW OF PLANT ELEVATION CHANGES IN ARIZONA
David Bertelsen recently published an essay (Bertelse n 2014) discussing some methodological aspects of plant ecology. The methods he addresse d hav long been debated in the ecological literature andExpand