Tag: Don Edwards SF Bay National Wildlife Refuge
For thousands of years and countless generations, migratory birds have flown the same long-distance paths between their breeding and feeding grounds. Understanding the routes these birds take, called "flyways," helps conservation efforts and gives scientists better knowledge of global changes, both natural and man-made. QUEST heads out to the Pacific Flyway with California biologists to track the rhythm of migration.
For more than 100 years, south San Francisco Bay has been a center for industrial salt production. Now federal and state biologists are working on a 40-year, $1 billion project to restore the ponds to healthy wetlands for fish, wildlife and public recreation.
The nation's first urban National Wildlife Refuge, it's 30,000 acres of open bay, salt pond, salt marsh, mudflat, upland, and vernal pool habitats are constantly changing.