Counting and Improving Fish Populations

For the first time, scientists conduct a census of ocean life in the Gulf of Maine. They've already found 50 percent more species than were estimated to live there. Plus, a new study shows that marine reserves -- where fishing is restricted -- result in healthier coral reefs and sustained fisheries.

Guests:

Lewis Incze, chief scientist, Gulf of Maine Census of Marine Life; senior scientist, Bioscience Research Institute, University of Southern Maine

Jennifer Devine, doctoral student, Memorial University, St. John's, Newfoundland, Canada

Richard Haedrich, emeritus professor, biology, Memorial University, St. John's

Dan Brumbaugh, senior conservation scientist, Center for Biodiversity and Conservation; American Museum of Natural History; visiting scientist, National Marine Protected Areas Science Institute