PhysOrg: The ecosystems of the Adriatic Sea have weathered natural climate shifts for 125,000 years, but humans could be rapidly altering this historically stable biodiversity hot spot, a University of Florida study says.
The study details a major shift in bottom-dwelling species in Italy's Po Basin, a region south of Venice known for its ecologically and commercially important shellfish as well as its tourism industry.
"The fossil record suggests that human activities can alter even those ecosystems...