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- All Subjects: Pima County (Ariz.)
- Creators: Kingsley, Kenneth James
- Creators: Nabhan, Gary Paul
- Creators: Pima County (Ariz.). Council Administrator's Office
- Creators: Pima County (Ariz.). County Administration Office
Concern has been expressed that mesquite bosques are disappearing or diminishing in quality, and that the survival of the mesquite mouse is consequently threatened. This study, funded by a grant from the Arizona Heritage Fund to the Pima County Regional Flood Control District, investigated the current distribution of the mesquite mouse by reviewing historical records from museum specimens, examining existing potential habitat at historic locations of the species and elsewhere in the county, and conducting a live-trapping study at 19 sites representing a range of ecological communities with mesquite as a major component.
Describes a number of streams within watershed planning units and prioritizing these streams according to their existing contribution to the overall conservation of biological diversity in Pima County. Over 50 percent of the priority streams within the County are found within the Altar Valley and the Cienega Rincon area.
Takes a comprehensive view of ironwood habitats in both the United States and Mexico, evaluating the ecological and cultural resources supported by the ancient ironwood tree. The study provides an overview of the history and ecology of desert ironwood, and a discussion of the binational research effort undertaken to produce the report.
Review of existing ordinances, studies, and articles indicates that costs associated with making homes more accessible are minimal, yet jurisdictions in other parts of the United States have tended to limit the application of "visitability" ordinances to housing that is funded by a government entity.