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Gulf of Maine Coastal Plain

Ecoregion in MA, NH, ME

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The Gulf of Maine Coastal Plain ecoregion occupies a more inland position than Ecoregion 59f to the east. It has higher elevations, greater relief, and less maritime climate than the Gulf of Maine Coastal Lowland (59f). Ecoregion 59h is less hilly with more rolling topography and lower elevations than Ecoregion 58g to the west, and has a greater human population density. Glacial drumlins are common in the ecoregion, while in the Merrimack River valley, glacial outwash and glacial lake deposits occur. Coarse-loamy and sandy-skeletal, mesic Inceptisols and Entisols are typical in most of the region, while frigid Spodosols are common in the Maine portion. Ecoregion 59h has more pine in the forest mosaic than Ecoregion 59c to the south.

— EPA

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Ecoregion