More Aquatic Invasion Links
http://www.umesc.usgs.gov/reports_publications/psrs/psr_2000_05.html
http://www.impactlab.com/2006/02/22/scientists-fear-leaping-carp-invasion/
http://www.fish.wa.gov.au/docs/pub/IMPFreshwater/index.php?0506
National Geographic News: Chesapeake Bay Watermen Question Limits on Crab Harvests
Chesapeake Bay Program: Animals and Plants
