A particularly large increase in native fish was observed in the Russell Ranch and Stevenson Road area. Non native fish abundance was down. This increase was noted mainly at the Stevenson Rd and Russell Ranch sites. Smallmouth bass used to be widely distributed in the lower creek and typically require cooler water temperature and more regular flows indicative of the pre-PDD condition. A number of Pacific lamprey ammocetes were captured in the PDD area.
Lampreys are anadromous, like salmon.
A study was initiated to describe the temporal and spatial distribution of larval fish in Lower Putah Creek. Both sites were sampled once a week for the period March 1 through Aug. 1 1997. All four of the goals were met in terms of data collected. The study used a team of ten undergraduate assistants. This study is part of Mr. Marchetti s dissertation and is being written up for publication.