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Great Pond Foundation
Cut Update &

Cyanobacteria Resource

November 6, 2020
"The water that divides us from the mainland, unites us as a community. Martha’s Vineyard is celebrated for abundant and beautiful natural spaces, but one of our greatest assets is our strong and resilient community. Our physical isolation from the mainland reminds us of the essential role our community and its resources play in our ability to respond in times of crisis."

Emily Reddington | Executive Director

-excerpt from Gazette Commentary

November Pond Cut

Edgartown Great Pond has reached the elevation necessary to attempt a pond opening (≥3.5 feet above sea level). Per Paul Bagnall, Edgartown Shellfish Constable, a cut is scheduled for

Saturday November 7th, 2020

Cyanobacteria blooms, as seen here, can be toxic to both humans and pets. If you observe a bloom, please stay out of the water and contact your local Board of Health.
Anouncing GPF's Cyanobacteria Resource

You had questions, and so did we. In response, Great Pond Foundation has compiled a Cyanobacteria Resource on our website. Answers to frequently asked quesitons, as well as a recording of the presention by expert Dr. Christopher Gobler are online now. This resource will be updated as new information becomes available.

Cyanobacteria, a.k.a. blue-green algae, are a group of microorganisms that are ubiquitous. They are photosynthetic, similar to plants, and occupy a wide range of habitats both on land and in water. Cyanobacteria are found in all Vineyard ponds, in the ocean, and are a natural part of the ecosystem. However, under certain conditions these organisms can reproduce quickly, or bloom, and this can pose a risk to human, animal, and environmental health.

FREQUENTLY ASKED QUESTIONS: What is a cyanobacteria bloom? What causes algal blooms and how do we prevent them? Why are blooms toxic? Can I swim in the water? Are cyanobacteria monitored on Martha’s Vineyard?

Answers & Video
Protect the Pond & The Planet
Restoring our coastal ecosystems is local conservation with a global impact. Eelgrass meadows in Edgartown Great Pond sequester more carbon than tropical rainforests. This carbon captured by coastal marine ecosystems is called BLUE CARBON.