Invasive sea squirts persist on Georges Bank
...only a few hours before settling; by colonies that hitchhike onto surfaces such as boat hulls, moorings, fishing gear, and other manmade objects and are carried to new, favorable habitats; and by fragments of colonies that are broken up by human activities and natural events and drift until they settle elsewhe...Genetic analysis finds greater threat in frog-killing fungus
...t on our shoes or car tires. But spores could also hitchhike on the feathers of birds for quick transport across mountain ranges." Moreover, if resistant spores remain in lakes where previous populations of frogs have succumbed to chytridiomycosis, attempts to repopulate the lakes with healthy frogs will lik...