Cumberland Times-News

Outdoors

July 6, 2013

Bay State rock snot discovered recently

BOSTON — Officials from the Massachusetts Departments of Fish and Game and Conservation and Recreation are informing residents that the presence of the Didymosphenia geminata (didymo or rock snot) was detected in May in the Green River in the Berkshire County towns of Alford and Egremont. This finding is the first confirmed occurrence of didymo in Massachusetts.

Didymo is a freshwater algae that occurs in North America and generally favors cold, clear, nutrient-poor waters with a neutral or slightly basic pH. Blooms can produce dense covering on rocky substrate and eventually result in long, unsightly stalks.

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