A land bridge, in biogeography, is an isthmus or wider land connection between otherwise separate areas, over which animals and plants are able to cross and colonise new lands. Land bridges can be created by marine regression, in which sea levels fall, exposing shallow, previously submerged sections of continental shelf; or when new land is created by plate tectonics; or occasionally when the sea floor rises due to post-glacial rebound after an ice age.
Read more about Land Bridge: Prominent Examples, Land Bridge Theory
Famous quotes containing the words land and/or bridge:
“Land of opportunity, land for the huddled masses—where would the opportunity have been without the genocide of those Old Guard, bristling Indian tribes?”
—Edward Hoagland (b. 1932)
“Oh, who will now be able to relate how Pantagruel behaved in face of these three hundred giants! Oh my muse, my Calliope, my Thalie, inspire me now, restore my spirits, because here is the ass’s bridge of logic, here is the pitfall, here is the difficulty of being able to describe the horrible battle undertaken.”
—François Rabelais (1494–1553)