Crews that conducted the inventory were trained in standardized habitat inventory methods and supervised by CDFG. The methodology utilized in the Russian River basin follows the procedures in the California Salmonid Stream Habitat Restoration Manual (Flosi et al. 1998). Following completion of a desktop watershed information assessment, CDFG conducted in-field fish habitat inventories including: 1) stream channel typing; 2) habitat typing; and 3) biological surveys to describe fish habitat utilization and distribution of fish and other aquatic species basin-wide .
Stream channel typing describes relatively long reaches within
a stream using eight morphological characteristics. Habitat typing
describes the specific pool, flatwater, and riffle habitats within
a stream. There are ten components to the habitat inventory: flow,
temperatures, habitat type, embeddedness, shelter rating, substrate
composition, canopy, bank composition, channel type, and biological
inventory. CDFG classifies 100% of the habitat types along a stream,
but quantifies habitat quality for approximately 30% of the habitat
units utilizing a stratified random protocol. For a complete discussion
of methods see the California Salmonid Stream Habitat Restoration
Manual (Flosi et al. 1998). These inventories, together with other
historical, physical, biological, and social-economic information
form the basis for the prioritization strategy in the basin.
Rr_conditions.shp represents a renamed shp file of the original
CDFG data layer. The layer was renamed for organizational purposes
only. Attribute and location information were not edited.