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Erie/Ontario Lake Plain

Ecoregion in OH, PA, NY

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The narrow Erie Lake Plain (83a) is characterized by nearly level terrain, lacustrine deposits, a lake-modified climate, and distinctive crops. Inland from the Lake Erie shoreline at about 570 feet (174 m) elevation are gravelly beach ridges that mark the former shorelines of glacial lakes Warren and Whittlesey. Lacustrine deposits end at the highest late-Quaternary shoreline, approximately 790 feet (241 m). Local relief is typically less than 50 feet (15 m), but can be up to 100 feet (31 m) in the few northwesterly trending, steep-sided valleys. This entrenchment accompanied lake level reductions that occurred during the late-Pleistocene (Van Diver, 1990, p. 99).

— EPA

Plants

Common Frogbit Hydrocharis morsus-ranae (species), “European Frog-Bit”, “European Frog’s-Bit”, “Frogbit”

Erie/Ontario Lake Plain

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