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PostPosted: March 16th, 2010, 11:07 pm 
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<b>Q: What is the current status of Arctic charr in Maine?</b>
<b>A:</b> Maine has fourteen confirmed and viable populations of charr representing a wide range of abundance and status at the current time. Charr waters are scattered across northern and western interior highlands typically at the extreme headwaters of major drainages.

In northern Aroostook County, four waters exist in T15R9, at the headwaters of the Red River, a State-owned public reserve township. Black, Deboullie, and Gardner Lakes, and Pushineer Pond support populations of moderate to high abundance; Pushineer abundance is closely tied to Deboullie as the two waters are connected by a short thoroughfare.

In central and northern Piscataquis County, two waters, Rainbow and Wassataquoik Lakes, have moderate to high populations and are located within private (The Nature Conservancy) or State owned (Baxter Park) conservation lands. Two other waters also exist in Piscataquis County: Big Reed and Wadleigh Ponds both of which have received illegal introductions of an invasive fish – rainbow smelt Osmerus mordax – that threatens the long-term persistence of charr. Big Reed charr exist largely in a hatchery environment where they are being cultured for eventual reintroduction and Wadleigh charr status is currently being evaluated. Both charr populations were at moderate/high abundance prior to smelt introductions.

Bald Mountain Pond and Penobscot Lake are two large waters in Somerset County that have robust charr populations that are currently rated high in abundance. This county also supports an introduced population from Floods Pond – Enchanted Pond in Upper Enchanted Twp. The population is currently rated low in abundance. The other successful introduction (also from Floods Pond) is Long Pond, located in Franklin County. Long supports a healthy population rated high in abundance and is the most successful of efforts to establish Floods Pond charr in seven additional waters from the 1960s to 1990s.

Finally, two waters in Hancock County are notably distant from all other charr waters in Maine. Floods Pond, which serves as the City of Bangor’s water supply, is the most closely studied charr water in Maine, with the University of Maine obtaining a population estimate each fall through mark-recapture techniques. Population level is considered high and has been remarkably stable over the past 20 years. Green Lake, located a short distance south of Floods Pond, has a unique population of small, deep-dwelling charr that likely originated from multiple stocking of Floods Pond charr in the 1890s. Population level is estimated low at Green Lake.


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