. The Dunesland heritage of Illinois. Sand dunes -- Illinois; Natural history -- Illinois. Ross: The Dunesland Heritage of Illinois 5 stretches to the Atlantic Ocean; westward it is replaced in a few hundred miles by the great central grasslands, fig. 4. Mature stands of the temperate deciduous forest consist of various mixtures of a wide variety of hardwood trees including different kinds of oak and hickory, hard maple, beech, and linden. When areas of this mature forest are disturbed in such a way that trees are no longer present, other natural plant communities grow up in their place. In mo
. The Dunesland heritage of Illinois. Sand dunes -- Illinois; Natural history -- Illinois. Ross: The Dunesland Heritage of Illinois 5 stretches to the Atlantic Ocean; westward it is replaced in a few hundred miles by the great central grasslands, fig. 4. Mature stands of the temperate deciduous forest consist of various mixtures of a wide variety of hardwood trees including different kinds of oak and hickory, hard maple, beech, and linden. When areas of this mature forest are disturbed in such a way that trees are no longer present, other natural plant communities grow up in their place. In most Illinois areas from which forest has been cleared, the land plowed and cultivated, and then left idle, the bare earth is colonized first by some of the annual grasses and other herbs, later by perennial plants. IS TUNDRA OR ICE HUMID CONIFEROUS FOREST BOREAL CONIFEROUS FOREST TEMPERATE DECIDUOUS FOREST MONTANE CONIFEROUS BIOMES ^^ CHAPARRAL AND XERIC FORESTS 1 1 GRASSLAND BIOMES I I SEMIDESERT BIOMES (ZZI DESERT ^^ SUBTROPICAL HAMMOCK-EVERGLADES Fig. 4.—Principal oreos of ferresfrial biological zones or biomes of North Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ross, Herbert Holdsworth, 1908-. Urbana
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