Monday, February 22, 2010

Adirondack Brook Trout: Our Vanishing Heritage

Nobody knows how many varieties of brook trout once lived in the Adirondacks. Probably dozens. Trout colonized the Adirondacks after the last ice age, when melting glaciers created watery pathways into the highlands. After water levels receded, trout populations were isolated from each other, and so they evolved separately, developing slightly different traits.

Sadly, only seven strains of heritage trout remain in the Adirondacks. The rest were done in by habitat destruction (often from logging), overfishing, acid rain, and/or shortsighted stocking policies.

The state Department of Environmental Conservation (DEC) is taking steps to protect only three of the seven heritage strains—by breeding and releasing fingerlings. The other four populations are so small that the department won’t risk removing fish from the wild for breeding. One DEC scientist says three of these populations are on the verge of extinction.

Think of it: a trout that has been around these parts for thousands of years—and is found nowhere else in the world—may soon be gone forever.

Perhaps you’re betting this won’t happen in your lifetime. Wrong. It already has. The Stink Lake strain in the West Canada Lake Wilderness apparently vanished just a few years ago, thanks to acid rain. And the Tamarack Pond strain in the Five Ponds Wilderness was lost in the 1990s. That pond became so acidified the trout couldn’t spawn. Because of the lack of competition, however, the adult trout grew fat. After word got out about the big brookies, anglers fished out the pond before DEC could act.

And then there’s the yahoo who released bass into Little Tupper Lake after the state bought it in 1998, thereby jeopardizing the heritage trout it had harbored for centuries. Fortunately, Little Tupper trout breed elsewhere, and so the population is not at risk, at least not now.

All of the above comes from an article by George Earl in the latest issue of the Adirondack Explorer, titled “Tragedy of the Trout.” Click here to read the full story.

Photo by George Earl: Angler with a Little Tupper trout.

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Phil Brown is the former Editor of Adirondack Explorer, the regional bimonthly with a focus on outdoor recreation and environmental issues, the same topics he writes about here at Adirondack Almanack. Phil is also an energetic outdoorsman whose job and personal interests often find him hiking, canoeing, rock climbing, trail running, and backcountry skiing. He is the author of Adirondack Paddling: 60 Great Flatwater Adventures, which he co-published with the Adirondack Mountain Club, and the editor of Bob Marshall in the Adirondacks, an anthology of Marshall’s writings.Visit Lost Pond Press for more information.




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