乐意 发表于 2025-3-27 00:51:45
Forest Stress: Influence of Air Pollutants on Disease Caused by Microbial Pathogensposition, density, competition, and productivity. In the short term, the effects of microbial pathogens may conflict with forest management objectives and assume a considerable economic or managerial as well as ecologic significance (Smith, 1970).阻挡 发表于 2025-3-27 03:24:21
Book 19811st edition. Attempts to alter or harness nature have often failed or backfired, as exemplified by the results of imprudent use of herbicides, fertilizers, water, and other agents. Each book in this series will shed light on the fundamental and applied aspects of environmental management. It is hoped that each惊呼 发表于 2025-3-27 06:21:28
https://doi.org/10.1007/978-3-322-85259-5er the next several decades improved understanding of forests, wilderness stewardship, improved natural forest management, and increased acreages of intensively managed artificial forests will significantly improve these values. During this same period, unfortunately, other human activities will exePtosis 发表于 2025-3-27 10:26:58
Führung - Strategie - Organisationthese elements among various ecosystems, oceans, and the atmosphere is incomplete. Despite our deficiencies efforts are being made to refine our understanding of major element cycles and to more accurately estimate global budgets. This is especially important for those interested in air pollution asFree-Radical 发表于 2025-3-27 15:02:38
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Übersicht über die gängigen Führungsmodelle dry deposition (sedimentation), and absorption (impaction) (Rasmussen et al., 1974). Loss via precipitation may occur in two ways: “rainout” which involves both absorption and particle capture by falling raindrops. Primary and secondary contaminants are subject to a large number of chemical reactio新手 发表于 2025-3-28 00:13:45
Führung - Strategie - Organisationof soils a complex variety of biological, chemical, and physical processes are involved in the transfer of pollutants from the air to the surfaces of vegetation. For certain contaminants, for example, persistent heavy metal particles, the repository functions of vegetation and soils are intimately lDiverticulitis 发表于 2025-3-28 05:55:24
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