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Ecoscenario: Delaware Water Gap National Recrational Area 4/16/03 3:11 PM Courtesy of National Park Service The Delaware Water Gap National Recreational Area is a popular spot for water sports, such as fishing. The Delaware Water Gap National Recreation Area is within a day's drive of 60 million people. In 1994, there were 4.37 million visitors to the Delaware Water Gap, compared to 3.4 million in Yellowstone National Park that same year. Courtesy of National Park Service Trails through riparian forest line the riverbanks. Courtesy of National Park Service Small streams throughout the watershed feed into the Delaware River. The Delaware River is one of the cleanest rivers in the United States. The Delaware Water Gap National Recreation Area is an example of a freshwater ecosystem. This aquatic ecosystem is bordered by a riparian (river) forest buffer. A riparian forest buffer is a band of trees, shrubs, and native vegetation that borders a stream or river. The buffer zone protects the waterway by trapping and filtering pollutants as the groundwater flows through the subsurface. Together, the river and the buffer zone make up the freshwater ecosystem. file:///Ecoscenario/delgap/content.html Page 3 of 14
Ecoscenario: Delaware Water Gap National Recrational Area 4/16/03 3:11 PM ABIOTIC DATA Summers at Delaware Water Gap National Recreation Area are warm and humid, and winters are cold. Average summer air temperatures range between 17 and 23°C (62 and 73°F). Water temperatures are similar, but drop a few degrees as the water tumbles through ravines. Thunderstorms and dense fog are common in the summer. Sometimes large volumes of cold water flow down the river when excess water is released from Cannonsville Reservoir on the West Fork of the Delaware River in New York. This causes the water temperature in the Delaware River to drop. The Delaware Water Gap has cold winters. Air temperatures range between -2°C and 2.5°C (28 and 36.5°F). Water temperature drops to freezing, and most of the river is covered in ice each winter. Snow and ice storms are common. file:///Ecoscenario/delgap/content.html Page 4 of 14
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Ecoscenarios Combined - FOSSweb

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