| 1. | Originally, about 190, 000 acres of tidal marshes surrounded San Francisco Bay.
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| 2. | Evan Hirsche, Audubon's policy director, said rodents are destroying tidal marsh in Maryland.
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| 3. | Raptors utilize the tidal marshes for nesting and for foraging throughout the year.
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| 4. | Tidal Marshes can contain island off their shore called barrier islands.
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| 5. | South of I Street SW, it flowed through an area of tidal marshes.
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| 6. | However, said Williams, tidal marshes aren't usually built in a day.
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| 7. | All told, about 85 % of San Pablo Bay's tidal marshes have been altered.
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| 8. | Fine sediments wash in to build up the tidal marsh.
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| 9. | The island is a coastal wetland that includes mudflats, tidal marshes, and tidal mudflats.
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| 10. | Small areas of tidal marshes and salt grasses exist in the west and northeast.
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