Monthly Archives: November 2016

Ocean acidification weakens seagrass defenses

Photograph © David Liittschwager / National Geographic Stock. Chesapeake Bay, USA / Island of Vulcano, Italy.  The world’s oceans absorb carbon dioxide (CO2) and slow the pace of climate change.  At the same time the absorbed CO2 lowers the pH of ocean waters, changing seawater chemistry in the process called ocean acidification.  This can have devastating impacts on corals and shellfish, disrupting the process of calcification essential for the construction of coral reefs and the cultivation of oysters and clams in aquaculture.  However, the added Continue reading →