PubTalk 8/2003 — Human Footprints on the Web of Life

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Detailed Description

Biodiversity and Increasing Population and Development in California

by Robert N.Fisher, Research Zoologist

  • Why does California lead the country in endangered species--why are so many reptiles and amphibians in decline?
  • Learn about the California lizard that keeps Lyme disease in check and the butterflies that prevented development on San Bruno Mountain
  • California faces growing economic costs from fire ants, Asian clams, and other aggressive invasive species
  • The megamouth shark occurs off our coast, but was not discovered until 1976--what else do we still not know?
  • How will California's spreading asphalt (already 5 million acres) affect future biodiversity? Thursday August

Details

Image Dimensions: 320 x 240

Date Taken:

Length: 01:11:55

Location Taken: Menlo Park, CA, US

Transcript

Contact wmcesic@usgs.gov for transcript.