CHULA VISTA, Calif.—The Port of San Diego has begun installation of 300 “reef balls” as part of the South Bay Native Oyster Living Shoreline Project next to the Chula Vista Wildlife Refuge, it was announced Dec. 9. The project, in partnership with the California State Coastal Conservancy and U.S. Fish & Wildlife Service, is the latest of several port projects intended to protect the shoreline from impacts related to rising sea levels and to increase the biodiversity of San Diego Bay by creating new marine habitats. “The Port of San Diego is proactively and continuously planning for and implementing various strategies to reduce the impacts of future sea level rise,” said Michael Zucchet, chairman of the port’s board of commissioners. “We are grateful to the U.S. Fish and Wildlife Service, California State Coastal Conservancy and Builders Initiative for their support of this important project that will strengthen coastal resiliency along …