Induction
发表于 2025-3-23 10:46:08
Control of Rills and Gullies in Off-Road Vehicle Traffic Areas, the balance is best described as dynamic equilibrium. It does not imply absolute equilibrium, but that adjustment to a new situation is attainable within a relatively short time, perhaps within a few years. Obviously, if considered in geologic time spans, dynamic equilibrium has not taken place, b
PIZZA
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Pericarditis
发表于 2025-3-23 22:06:56
Natural Recovery of Soils and Vegetation Following Human Disturbanceo towns or villages and resulted from tillage, mining, or access trails and roads. With increasing population, development of off-road vehicles (ORVs), and over-grazing, ever larger areas of the desert have been affected. These disturbed areas usually are partially or totally denuded and the soils c
充满装饰
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Exposition
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History of Revegetation Studies in the California Desertsncreased public awareness of the environment and increased destructive activity in the desert ecosystem. This chapter outlines all known studies (except that discussed in Chapter 15) and discusses the problems involved in reestablishing vegetation. While none of these studies has involved ORV areas
混沌
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anesthesia
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DOLT
发表于 2025-3-24 16:46:18
https://doi.org/10.1007/978-3-658-20382-5water, and absorbs and neutralizes agricultural, domestic, and industrial wastes. As the sustenance for ecosystems, soils can be viewed as the most important part of the natural environment; yet of all parts of the environment, soils are probably the most abused. With declines in the productivity in
太空
发表于 2025-3-24 22:30:33
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注意
发表于 2025-3-25 01:01:27
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