A single recovery plan is being developed for two endangered species; the salt marsh harvest mouse (Reithrodontomys raviventris) and the California clapper rail (Rallus longirostris obsoletus) in San Francisco Bay. The plan proposes acquisition of privately-owned marshes, creation of islands of habitat within established state game refuges, and modification of portions of federal refuges. Four of the more important management problems are: (1) development of nongame habitat within wetlands managed for waterfowl, (2) aerial monitoring of endangered species habitat, (3) restoration and maintenance of upper zones of marshes, and (4) maintenance of dikes, especially those within federal refuges.
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