Tag Archives: Professor Edwin (Ted) Grosholz

Lessons From a Failed Experiment – When ‘Eradicated’ Species Bounce Back With a Vengeance

The study, published today in the journal PNAS, chronicles the effort and failure to eradicate invasive European green crabs from a California estuary. The crabs increased 30-fold after about 90 percent had been removed. The study is the first experimental demonstration in a coastal ecosystem of a dramatic population increase in response to full eradication. The crab is considered among the world’s top 100 invasive species, costing the U.S. commercial shellfish industry about $20 million in annual losses. >click to read< 08:09