Arctic kelp forests may create summer refuges from ocean acidification

Long periods of light can lead to higher local pH

checking arctic kelp

KELP CHECK   Monitoring of big, brown kelp foliage above the Arctic Circle in Greenland reveals that the underwater forests may be summertime refuges from ocean acidification. 

Frida Lindwall

During long summer days, kelp forests in high-latitude waters could create little safe zones for sea creatures in acidifying oceans, new research shows.