View national GIS data sets on an NPS Data and Information online clearinghouse. And, view Yosemite's GIS data sets, covering topics from geology to fire to soils, as well as California-specific GIS data.
Resources to Study GIS
View general information about GIS, as outlined by ESRI, the corporation that produces the most popular GIS software. In addition, read its 2009 "ArcUser" magazine article on Yosemite's search-and-rescue efforts that incorporate GIS. [8 MB PDF]
Prominent researchers discuss the role of GIS in science and society in the 1994 "GIS: Tool or Science? Demystifying the Persistent Ambiguity of GIS as 'Tool' versus 'Science'" in the Annals of the Association of American Geographers.
The Minnesota Department of Natural Resources outlines significant advances in GIS that benefit wildlife research. Read the 2006 Wildlife Society Bulletin's "Tracking the Rapid Pace of GIS-Related Capabilities and Their Accessibility." [1.9 MB PDF]
Read a book review of "Spatial Uncertainity in Ecology: Implications for Remote Sensing and GIS Application," which addresses inevitable uncertainties of GIS data. A 2002 article in Ecology critiques the 2001 book. [142 kb PDF]