2020

Preliminary sampling and analysis from researchers with the University of New Hampshire have revealed high levels of dangerous toxins from cyanobacteriain many of the Island’s ponds.
A person who went crabbing in Chilmark Pond was sickened by what appears to be a neurotoxin from blue/green algae blooms in the water, according to Chilmark health officials.

2016

It’s been bad news for shellfishing on Martha’s Vineyard and beyond in recent days, from a state-ordered closure to the discovery last week of a heavy algae bloom in the Tisbury Great Pond.

A state-ordered shellfish closure due to toxic algae blooms was extended to Martha’s Vineyard late Sunday. All Island ponds and harbors are closed to shellfishing — except for bay scalloping.

2011

jetty fisherman

Cochlodinium, the rust-colored algae bloom that has turned up in Cape Pogue and Sengekontacket Ponds, has now invaded Lagoon Pond, Martha’s Vineyard Shellfish Group director Rick Karney confirmed this week. The algae was found in the west arm of the Lagoon.

Volunteer Edgartown shellfishermen worked the tides last week to transfer young bay scallops out of harm’s way at Cape Pogue Pond, after an algae bloom seen a year ago returned.

Cochlodinium polykrikoides, a single-cell dinoflagellate, staged a late-summer comeback in the large, pristine bay that lies north of the Dike Bridge on Chappaquiddick. The algae is not harmful to humans but can be toxic to shellfish.

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