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White Mountains/Blue Mountains

Ecoregion in Appalachian Mountains in NH, ME

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The White Mountains/Blue Mountains ecoregion is one of the most rugged in New England. Ecoregion 58p differs from the Quebec/New England Boundary Mountains (58m) in having higher elevations, steeper slopes, more narrow valleys, more areas of bedrock outcrop, fewer wetlands, more acidic surface waters, and a more transitional (somewhat less boreal) vegetation pattern. The ecoregion includes not only the White Mountains and Blue Mountains but also the Mahoosuc Range, Pilot Range, and Pliny Range. The mostly acidic uplands include some high elevation spruce-fir, widespread northern hardwood-conifer forests, and at lowest elevations some transition hardwood-conifer forests. Geology includes Mesozoic and Paleozoic igneous and metamorphic rocks of granite, syenite, rhyolite, granodiorite, quartzite, and schist. Coarse-loamy, frigid Spodosols and Inceptisols are typical. Surface waters are acidic and low in nutrients. Elevations are generally 1000 feet to over 3000 feet, with inclusions of higher peaks occuring in the Upper Montane/Alpine Zone of Ecoregion 58j.

— EPA

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