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Northern Connecticut Valley

Ecoregion in Appalachian Mountains in VT, NH

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The narrow Northern Connecticut Valley ecoregion contains primarily the alluvial low terraces and floodplain of this riverine region. It has some glacial outwash and glacial lake deposits that abut the lower slopes of adjacent hills composed of glacial till typical of the bordering ecoregions 58l and 58f. Areas of glacio-fluvial deposits tend to be coarser sands and gravels, while some of the glacio-lacustrine deposits from glacial Lake Hitchcock are finer-textured. Inceptisols and Entisols are common, with mesic soils in much of the region, and some frigid soils in the north. The Northern Connecticut Valley has a milder climate than the surrounding hilly ecoregions, and its vegetation includes more southerly species. This greatly altered landscape is dominated by agricultural, urban and residential, and transportatation uses, and the river regime has been altered by dams and channel modification. Some wetland and riverside communities contain several rare plant and animal species.

— EPA

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