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The Sand Ridge State Forest largely dates back to 1939, when the state of Illinois purchased 5,504 acres (2,227 ha) of submarginal sandy farmland for conservation purposes and an experimental forest. [3] [6] The Civilian Conservation Corps planted pine trees on much of the land. [3] The former name was Mason State Forest.
The Sand Prairie-Scrub Oak Nature Preserve, formerly called the Mason County State Wildlife Refuge and Recreation Area, is a 1,460 acre (591 ha) State Natural Area and Illinois Nature Preserve located in western Mason County, Illinois. The nearest town is Kilbourne, Illinois and the nearest numbered highway is Illinois Route 97. It contains ...
Kankakee Sands is a 10,000-acre (4,000 ha) complex of tallgrass prairie and oak savanna restorations and remnants in Kankakee County, Illinois and Newton County, Indiana. [1] [2] It is managed by The Nature Conservancy staff and volunteers.
However, the Forest is also home to many hardwood trees and other plant and animal species characteristic of the region. In the 1980s and 1990s, there was an active history of conservation and protest efforts by local, regional, and national environmental groups and individuals ranging from radical movements such as Earth First! to mainstream ...
Map of wood-filled areas in the United States, circa 2000 [1]. In the United States, the forest cover by state and territory is estimated from tree-attributes using the basic statistics reported by the Forest Inventory and Analysis (FIA) program of the Forest Service. [2]
Site index is a term used in forestry to describe the potential for forest trees to grow at a particular location or "site". Site is defined as "The average age of dominate and/or codominate trees of an even-aged, undisturbed site of intolerant trees at a base age"; [1] furthermore, the word site is used in forestry to refer to a distinct area where trees are found. [2]
The National Natural Landmarks (NNLs) in Illinois include 18 of the almost 600 such landmarks in the United States. They cover areas of geological, biological and historical importance, and include lakes, bogs, canyons and forests. Several of the sites provide habitat for rare or endangered plant and animal species.
The Illinois List of Endangered and Threatened Species is reviewed about every five years by the Illinois Endangered Species Protection Board (ESPB). [1] To date it has evaluated only plants and animals of the US state of Illinois, not fungi, algae, or other forms of life; species that occur in Illinois which are listed as endangered or threatened by the U.S. federal government under the ...