Biology Reference
In-Depth Information
Tidal flat
Tidal marsh
Salt pond
Deep bay/Channel
Shallow bay/Channel
~1850
Map 9. Map of historic wetland habitats around San Francisco Bay, circa 1850.
(Data from S.F. Estuary Institute, redrawn courtesy of S.F. Bay Joint Venture)
Efforts to save these and other species from extinction—and to support
remaining bird, fish, and mammal populations around the watershed—
eventually evolved into a battle to preserve their last remaining wild habi-
tats, and later to restore and create new ones (see pp. 209 and 237, “Resto-
ration Frontiers”). In the North Bay, the first sparks in the wetland
preservation battle came from duck hunters, who favored dabbling ducks
