Conservation of the Tortolita Alluvial Fan landscape has been promoted by Pima County and Town of Marana over the past two decades. An interdepartmental team was formed to evaluate flood and debris flow hazards and the potential to create an expanded Tortolita Fan Preserve. This report provides an overview of the alluvial fan characteristics and evaluates information on the significance of the biological and cultural resources to determine of the area meets the criteria to create a federal preserve.

Two additional sets of fact sheets that describe the threatened, endangered, and priority vulnerable species of Pima County. For each plant or animal there is a physical description and full color illustration. The habitat, range, diet, status, and history of each species is also outlined. These fact sheets will be widely distributed through the youth participation program.

To facilitate development of the Environmental Impact Statement which must accompany the Section 10 multi-species conservation proposal, a series of issue papers have been written. This study presents a brief look at outdoor recreation issues and describes the impacts of five alternative permit strategies might have on the County's ability to maintain recreation opportunities.

Survey results for wetland plant communities of the Agua Caliente Park and nearby La Cebadilla property. The study also documented the presence or absence of Huachuca water umbel, a plant listed as endangered in Pima County. By studying the wetland plants of the La Cebadilla property, and through historic herbarium collections, the biologist found that several plants still present at La Cebadilla were known to be present at the Agua Caliente Ranch at the turn of the century.

Describes the relation of the current and proposed system of mountain parks and preserves to the ongoing multi-species conservation planning process. Business interests will be able to pursue land uses which impact habitat, so long as defined conservation standards are met. This report simply frames planning possibilities by outlining the known potential of twelve park and preserve areas in eastern Pima County.

The purpose of this report is to represent the different types of land stewardship in Pima County in a digital Geographic Information System cover and to update the evaluation of vegetative communities relative to these classes. A previous evaluation suggested that 24 percent of Pima County is in a reserve of some kind; the current evaluation now suggests 26.5 percent.