18th century nautical charts document historic loss of coral reefs

(American Association for the Advancement of Science) Researchers studying 18th century British nautical charts tracked the loss of coral reef habitat in the Florida Keys over the last two centuries. According to their analysis, entire sections of reef near the shore that were present prior to European settlement are now largely gone.

from EurekAlert! - Archaeology http://ift.tt/2vM6Vpp