Protecting and Restoring the Morro Bay Estuary.
April 2, 2015

Monitoring the health of local creeks with bioassessment

Volunteer surveys stream

Each spring, Estuary Program staff and volunteers gear up for Bioassessment, an important monitoring tool that allows us to assess the health of local streams to determine their value as fish habitat. We conduct monitoring at creek sites throughout the Morro Bay watershed, which involves collecting macroinvertebrate or “macro” samples (insects that are visible to the naked eye) and taking measurements of the health of creek habitat. Here’s what a day of monitoring involves. Water quality monitoring Upon arriving at the site, we use water quality meters to collect information such as pH, temperature, turbidity, flow, and oxygen levels. Fish …

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