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This 4,160-acre park extends along the shores of Lake Michigan in northern Illinois near Chicago. The park's sand dunes are home to more than 650 species of plants and wildflowers, including ...
The soil of Sand Ridge State Forest is 89% sand, 8% clay, and 3% silt. [5] There are two types of sand, red and yellow. [6] Dunes and swales were created after sand was deposited, but before vegetation could grow, during what is called the Parkland Formation. [1] [2] Dunes range from 6 m (20 ft) up to 30 m (98 ft). [1]
Native southern hardwood forests and bald cypress, tupelo gum, swamp cottonwood, elm, and tulip poplar trees can be found in the area. [1] [2] Two large tracts have been dedicated as Illinois Nature Preserves and are used for scientific research and education. [1] Common aquatic plants include buttonbush, lotus, duckweed, coontail, and water ...
Illinois' ecology is in a land area of 56,400 square miles (146,000 km 2); the state is 385 miles (620 km) long and 218 miles (351 km) wide and is located between latitude: 36.9540° to 42.4951° N, and longitude: 87.3840° to 91.4244° W, [1] with primarily a humid continental climate.
Soils are of loess and till, rather light and a characteristic "claypan" can be found. Pre-settlement vegetation was a mixture of 60 percent forest to 40 percent prairie and wetlands. A variety of trees, woodland and prairie plants cover the slopes of the stream valley. Muskrats, turtles, herons and mussels are seen in or near the water.
There is evidence that the Fox River valley near Silver Springs was populated by indigenous people near the end of the last ice age, 10–14,000 years ago. [1] The original 1,250 acres (510 ha) tract of land that became Silver Springs State Fish and Wildlife Area was purchased by the state of Illinois in 1969, and has been open since January of that year.
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[citation needed] Waterfowl, hawks, and other birds can be frequently spotted. Mammals that thrive in this region and are regularly spotted include deer, fox, muskrat, beavers, opossum, raccoons, squirrels, and woodchucks. [2] More than 100 sorts of flowers grow in the park. The trees are thick and all over the land within the park's confines.