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Chesapeake & Ohio Canal National Historical Park - Nature and Science The Chesapeake and Ohio National Historical Park includes 19,236 acres paralleling the Potomac River from the densely urbanized Washington D.C. upriver for 184.5 miles through pastoral farm country and forest to Cumberland, Maryland. Many of the park’s three million annual visitors come here to enjoy the outdoors, access the river, hike and bike, jog, ride horses, and observe wildlife. The natural resources provide scenery and backdrop to our daily lives. Found along the second largest tributary of the Chesapeake Bay, these natural resources are also an important part of the larger bay ecosystem. Much of the park preserves floodplain forest and wetlands that contribute to the conservation of the Chesapeake Bay. The forest and wetlands can act as a “sponge,” slowing down the flow of water during floods. Plants in the forest and wetlands can also absorb (and use for their own growth) some of the many nutrients that run off surrounding lands in the Potomac River watershed. This can lower the amount of “excess nutrients” that can harm the river’s and bay’s ecosystems. The canal begins on the Upper Coastal Plain and as it winds westward transects portions of the Piedmont, Blue Ridge, and Ridge & Valley physiographic provinces. This landscape, with the influences of the Potomac River, results in the rich geologic, ecological, and biological diversity found within the park"s boundaries. Interesting geologic formations exist in the park such as the Great Falls of the Potomac and limestone caves, as well as native plant communities such as mid-Appalachian shale barrens, limestone forests, floodplain forests, and wetlands and some of the very best examples of scoured bedrock terrace habitat in the eastern U.S. Plants and animals in C&O Canal NHP common to these habitats as well as significant numbers of state and nationally rare species are represented here. Environmental Factors Natural Features Mollusks Nonnative Species Rivers and Streams |
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Chesapeake & Ohio Canal National Historical Park - Nature and Science
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