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The central forest–grasslands transition is a prairie ecoregion of the central United States, an ecotone between eastern forests and the North American Great Plains. It is a classification defined by the World Wildlife Fund .
An ecotone may be narrow or wide, and it may be local (the zone between a field and forest) or regional (the transition between forest and grassland ecosystems). [3] An ecotone may appear on the ground as a gradual blending of the two communities across a broad area, or it may manifest itself as a sharp boundary line.
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Keep plants farther than 5 feet (1.5 m) from walls; this is a bare dirt no-grow zone, optional to use mowed green lawn grass and non-combustible mulch with sparse deciduous plants. Keep trees from growing within 30 feet (9.1 m) of the structure. Keep vegetation thinned within 100 feet (30 m) of the structure. Guidelines for outdoor maintenance:
The South Siberian forest steppe ecoregion (WWF ID: PA0817) is a patchwork of grasslands and forests in the low-lying areas of south central Siberia.The region is one of high biodiversity as a transition zone between the West Siberian taiga to the north, and the Altai Mountains to the south.
This area is a transition zone where the northernmost boreal forests give way to open Arctic tundra. The Selawik and Kobuk River deltas, located on the eastern shores of Selawik Lake and Hotham Inlet (Kobuk Lake), provide habitat for migratory bird species.
The plant life of the reserve represents a meeting of steppe feather grass and forb steppe/broadleaf grasses. Typical trees are oak coppices, with mixtures of ash, linden, maple and other tree species. Understory contains blackberry, buckthorn, wild rose, and viburnum. Scientists on the reserve have recorded over 1,060 species of vascular ...