By

Jenny

Articles by Jenny

Bahia Marsh Restoration

This portion of the Bahia Marsh was filled with dredged bay mud, dried, and compacted in the early 2000’s and prepared for development. Once plans for development fell through, the area was abandoned and subsequently purchased by the MAS. Compacted bay mud makes for incredibly poor site conditions, making restoration very difficult. The goal of this project was to enhance the tidal marsh ecotone habitat along the two levees, approximately 10.5 total acres, on the Eastern and Western Peninsulas adjacent...
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South Bay Salt Ponds

Extensive tidal wetlands and marshes once almost covered South San Francisco Bay below the present-day Dumbarton Bridge. For the last 150 years these wetlands have received mercury-laden drainage from the New Almaden mercury mining district, in the upper reaches of the Guadalupe River watershed. Salt pond construction in the last century buried mercury-contaminated sediments. But restoration poses challenges for water quality. Redistributing sediment and introducing tidal action can release mercury into the water column and may cause the mercury to methylize, which...
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