bridgehead
BRIJ-hed
Definition
A strong position or base of operations established in a new territory, from which further expansion or movement into the surrounding area can be conducted.
Etymology
Originating from military terminology, a bridgehead is a fortified position held by a force on the far side of a river or obstacle to protect a bridge or facilitate further advance.
In the news
The article uses 'bridgehead' to describe the theory that Florida served as the initial, singular location from which the lionfish population expanded into the wider Atlantic.
Aquarium releases probably seeded the Atlantic lionfish invasion; with females producing about two million eggs a year and almost no predators capable of controlling them, the fish colonised 7.3 million square kilometres of the western Atlantic and Caribbean
Read the full article ↗ScienceBlog.com