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Titlebook: Biogeochemistry of a Forested Ecosystem; Gene E. Likens,F. Herbert Bormann,Noye M. Johnson Textbook 19771st edition Springer-Verlag New Yo

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發(fā)表于 2025-3-21 17:34:58 | 只看該作者 |倒序瀏覽 |閱讀模式
期刊全稱Biogeochemistry of a Forested Ecosystem
影響因子2023Gene E. Likens,F. Herbert Bormann,Noye M. Johnson
視頻videohttp://file.papertrans.cn/188/187048/187048.mp4
圖書封面Titlebook: Biogeochemistry of a Forested Ecosystem;  Gene E. Likens,F. Herbert Bormann,Noye M. Johnson Textbook 19771st edition Springer-Verlag New Yo
影響因子About 15 years ago we began the Hubbard Brook Ecosys- tem Study with the development of an ecosystem model and the conception of a method whereby some major parameters of the model could be directly measured under field conditions. The method, called "the small watershed technique," allowed measurement of input and output of chemicals and the construction of ecosystem nutrient bud- gets. Although the Hubbard Brook study of nutrient cycling originated with ideas developed by F. H. Bormann and G. E. Likens, its early growth was aided by the remaining authors of this volume-Robert Pierce, forest hydrologist; Noye Johnson, geochemist; and John Eaton, forest ecologist. Donald W. Fisher of the United States Geological Survey also cooperated in the early phases of the project and provided numerous data on the chemistry of precipitation and stream water. Particular credit is due the United States Forest Service, whose scientists chose the Hubbard Brook Valley as a hydrologic study site, selected particular watersheds for intensive measurement, carried out a variety of basic hydrologic studies, and in general cooperated with us in many ways to make the Hubbard Brook Ecosystem Study a realit
Pindex Textbook 19771st edition
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發(fā)表于 2025-3-21 20:25:34 | 只看該作者
Textbook 19771st edition major parameters of the model could be directly measured under field conditions. The method, called "the small watershed technique," allowed measurement of input and output of chemicals and the construction of ecosystem nutrient bud- gets. Although the Hubbard Brook study of nutrient cycling origin
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發(fā)表于 2025-3-22 01:51:08 | 只看該作者
ereby some major parameters of the model could be directly measured under field conditions. The method, called "the small watershed technique," allowed measurement of input and output of chemicals and the construction of ecosystem nutrient bud- gets. Although the Hubbard Brook study of nutrient cycl
地板
發(fā)表于 2025-3-22 07:48:38 | 只看該作者
Decoupling of Filtering Equations,erosion, and sedimentation), landslides, vulcanism, and biologic agents. The presence of a prominent gaseous component in the biogeochemical cycle (e.g., C, N, and S) greatly complicates measurement and analysis, as discussed previously.
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Decoupling of Filtering Equations,of dry plant matter produced (net) each year by forests exceeds the total net primary production of the oceans, even though the oceans are more than six times larger in area. The animal biomass in these forests represents 68% of the total found on continental land masses (Whittaker and Likens, 1973).
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發(fā)表于 2025-3-22 14:48:42 | 只看該作者
Nutrient Cycles,erosion, and sedimentation), landslides, vulcanism, and biologic agents. The presence of a prominent gaseous component in the biogeochemical cycle (e.g., C, N, and S) greatly complicates measurement and analysis, as discussed previously.
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https://doi.org/10.1007/978-3-540-87849-0.. By this definition weathering products do not represent an input to the ecosystem; instead, weathering is considered as a process internal to the ecosystem and a part of the intrasystem cycle (Figure 1; Bormann and Likens, 1967; Likens and Bormann, 1972).
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發(fā)表于 2025-3-23 05:43:57 | 只看該作者
Input-Output Budgets,.. By this definition weathering products do not represent an input to the ecosystem; instead, weathering is considered as a process internal to the ecosystem and a part of the intrasystem cycle (Figure 1; Bormann and Likens, 1967; Likens and Bormann, 1972).
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