San Francisco’s coast and estuary are a vital resource for the water’s ecosystem and to the community. The San Francisco Estuary Partnership states that the mix of freshwater and saltwater surrounding the city has created a lot of biological diversity. The decline in water quality in areas like the bay has caused drop in aquatic habitats.
“Areas up in Tomales and Humboldt are working to farm a native species of oysters in the bay area … Having those oysters is an important natural way of filtering water.” said Randy Lovell, the Aquaculture Coordinator at the California Department of Fish and Wildlife. “Due to the change in quality of San Francisco’s waters, shellfish can’t be properly farmed.”
The loss of oyster reefs in the bay has affected its entire ecosystem.Oysters are natural filter feeders, filtering out small sediments and contaminants in the water. The unclean water has made it difficult for underwater grass to grow, reducing habitats for fish…
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