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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 Forest of the Wabash Natural Area within Beall Woods State Park contains trees from 64 separate species. Foresters have counted more than 300 climax trees with trunks of greater than 30 inches (76 cm) diameter at breast i.e. 40 inches (1 m) high. Some of the trees in the Forest of the Wabash are more than 120 feet (37 m) tall.
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 ...
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]
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 ...
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The black ash trees of Busse Woods are threatened by the emerald ash borer, which was reported in Illinois for the first time in 2006. [ 3 ] Other parts of Busse Woods are better-drained and include species more typical of the forests of northern Illinois, such as the basswood , hickory , sugar maple , and white oak , the latter species being ...