Filtering by
- All Subjects: Pima County (Ariz.)
- Creators: U.S. Fish and Wildlife Service
- Creators: JE Fuller/ Hydrology & Geomorphology
- Creators: Kingsley, Kenneth James
- Creators: Sayre, Nathan F
This report presents the results of both a qualitative and quantitative analysis of the drainage problems associated with the South Branch, Upper Carmack watershed. Also included is an economic assessment of the damage potential associated with three distinct storm events.
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.
The Sutherland Valley is a broad, geologically-controlled floodplain. This study attempts to quantify the depth and extent of flooding so that floodplain permits can be issued for development which meets local and federal restrictions.
This LOMR will address changes to the regulatory flood plain as currently mapped. This Technical Data Notebook contains all the information required in support of this request, including the applicable Federal Emergency Management Agency forms.
A companion to the Preliminary Ranch Conservation Element, this report brings together leaders in the area of ranch conservation and compiles their expert writings on ecological and economic sustainability in ranching.