Ecological Monitoring

St. Supery Vineyard: Surveys and Monitoring for Yellow-Legged Frog Avoidance

Zentner Planning and Ecology was hired to by St. Supery to help coordinate permit work, complete special status species surveys, and conduct daily construction monitoring for a restoration and bridge protection project along Maxwell Creek. The site contained sensitive cultural resources as well as habitat for the foothill yellow-legged frog, which were found in and around the project site. We worked with the client and CDFW staff to produce a foothill yellow-legged frog relocation plan, which allowed us to move frogs to a nearby onsite area if they were encountered on the project. Once the project started, our daily construction monitoring, worker sensitive species training, and coordination with CDFW staff, allowed the project to move forward until completion.

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Restoring Delta Wetlands

Pre-Construction Surveys in the Delta

Shin Kee is located on the eastern edge of the historic Delta and represented a unique opportunity to restore the full range of Delta habitats, perennial marsh, seasonal wetlands, riparian woodlands and native-dominated uplands. Working with the landowners, A.G. Spanos Companies, we provided final designs and oversaw the implementation of the restoration of this 140-acre site from tomato field to fully functioning wetlands. Today, Shin Kee hosts numerous species of native Delta wildlife, including relatively unusual species such as otters and white pelicans.

 
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Shin Kee Marsh from above

Photo taken via drone as part of the site’s annual monitoring program.

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Within Shin Kee Marsh

Annual tule monitoring completed at the marsh by Zentner biologists.

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Native perennial grasslands

Restored native grasslands dominated by creeping wild rye surround the marsh.