http://www.biologynews.net/archives/2005/03/03/
internet_viruses_help_ecologists_control_invasive_species.html
Studying how computer viruses spread through the internet is helping
ecologists to prevent invasions of non-native species. New research
published today in the British Ecological Society's Journal of Applied
Ecology, describes the use of network theory to predict how the spiny
water flea - a native of Russia - will spread through the Canadian lake
system.