December 14, 2018  
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Hearing on Pilot Study to Restore Endangered Atlantic Salmon Habitat, Jan 13
Hearing on Pilot Study to Restore Endangered Atlantic Salmon Habitat, Jan 13
Can the lowly clamshell help save a species? Clamshells might be part of the answer to keeping Atlantic Salmon in our rivers. DSF is planning to use shells to treat streams damaged by the long-term effects of acid rain, and we are holding a public hearing to answer questions and take comments from the public about the project at the Peter Gray Hatchery, 13 Willow St, East Machias on Saturday, January 13 at 3:30pm. Everyone interested in the project is encouraged to attend.

Like an antacid in a sour stomach, calcium-rich limestone or shells (from which limestone is made) neutralizes acid. Further, calcium helps fish form strong bones and healthy jaws. Projects in Norway, Sweden, and Canada have shown that adding calcium to water improves the survival and growth of Atlantic Salmon and trout. Downeast Maine does not have a lot of limestone, but it does have clamshells–a lot of clamshells. This waste product from the seafood industry is up to 98% acid neutralizing calcium carbonate.

High acidity and low calcium weakens or kills salmon. Adding calcium, in the form of clamshells, will help Maine’s salmon grow and thrive. Our goal is to send healthy smolts (teenage salmon) out to sea and see them return to spawn in the coming years.

The proposed pilot project will start in the East Machias watershed. DSF hopes to expand the project to other streams as positive results come in. DSF’s partners in this project will include Maine Departments of Environmental Protection and Marine Resources. The project is funded by the Maine Outdoor Heritage Fund and the Onion Foundation.

Posted on Saturday, January 6, 2018 (Archive on Monday, February 5, 2018)
Posted by Jym St. Pierre   Contributed by Jym St. Pierre

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