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Quebec/New England Boundary Mountains

Ecoregion in Appalachian Mountains in VT, NH, ME

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Occuring along the Canadian border, the Quebec/New England Boundary Mountains ecoregion extends from northeastern Vermont across northern New Hampshire and into northwestern and north-central Maine. Its open low mountains are densely forested, and it has one of the coldest climates in New England. The region contains numerous large lakes and ponds and is not as steeply sloping or as high in elevation as the White Mountains/Blue Mountains (58p) to the south where few lakes occur. Compared to Ecoregion 58p, the Boundary Mountains have broader river valleys, more wetlands, more complex geology with some phyllites and slates along with intrusions of granite, somewhat less acidic surface waters, and a more boreal vegetation pattern. Soils are mostly loamy and coarse-loamy, frigid Spodosols, formed typically in dense glacial till. The low-grade pelite bedrock weathers to form more silty soils. Lower elevation forests include northern hardwoods as well as spruce and fir forests on cooler lowland slopes. High elevation spruce-fir forests occur above 2500 feet, most of which are delineated in Ecoregion 58j. Woody species richness increases somewhat in the eastern portion of the region. The human population here is relatively low for New England. Timber production, recreation, and wildlife habitat are major land uses.

— EPA

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