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Salt marsh showing salt pannes and ponds, spartina alternifolia and invasive phragmites communis in foreground. Brackish marsh panne variants occur in brackish marshes (short graminoid variant), one of the native dominant species is spike grass (Distichlis spicata), some brackish marsh pannes are dominated by the narrow-leaved cattail (Typha angustifolia) an invasive exotic species.
Heron Pond – Little Black Slough Nature Preserve protects a swath of Cache River drainage upstream from the Post Creek Cutoff. [3] Its biology and geology are representative of the Coastal Plain natural division in Illinois, [4] which is the northernmost extent of the Gulf Coastal Plain in North America.
Salt pan at Lake Karum in Ethiopia. Natural salt pans or salt flats are flat expanses of ground covered with salt and other minerals, usually shining white under the sun. They are found in deserts and are natural formations (unlike salt evaporation ponds, which are artificial). A salt pan forms by evaporation of a water pool, such as a lake or ...
Salt pannes are a stressful place for many species because the water conditions can change rapidly. On hot summer days, the pools start to dry out, concentrating the salt and causing water ...
In 1965, the Illinois General Assembly named the area after William W. Powers. [1] Powers had been a Chicago alderman on the Chicago City Council and Illinois General Assembly legislator in the 1920s, and used the site for picnics to feed the needy during the Great Depression. [3] The park also has a military history.
The park in Portage Park originally had a dirt bottom pond that blended into a cement bottom pool. The hill to the east of the pool that exists now, was the dirt that was removed when the pool was first created when the park was first established. The pond portion of the pool extended to the western edge of this 'hill'. [2] A footpath in ...
During icy Midwest winters, a Chicagoan’s step onto the sidewalk is often met with a familiar crunch underfoot. But salt, used to keep roads safe for driving and sidewalks safe for walking ...
The Illinois Salines, also known as the Saline Springs or Great Salt Springs, is a salt spring site located along the Saline River in Gallatin County, Illinois. The site was a source of salt for Illinois' prehistoric settlers and is now an archaeological site with a large quantity of organic remains. After European settlement of Illinois, the ...
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