ineluctable
发表于 2025-3-26 21:49:15
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不能平静
发表于 2025-3-27 02:30:51
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剥削
发表于 2025-3-27 06:45:14
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白杨
发表于 2025-3-27 10:02:59
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Cerebrovascular
发表于 2025-3-27 17:11:08
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用不完
发表于 2025-3-27 21:23:53
The natural hierarchy of ecological systemsnt, it seems possible to determine which biophysical factors are dominant in ecological zones, regions, sectors and/or districts, and stations or sites. The hierarchy of these ecological units then becomes a natural one, and their being spatially nested in each other becomes more logically founded.
Deceit
发表于 2025-3-28 01:20:00
Spatially nested ecosystems: guidelines for classification from a hierarchical perspectiveial scale levels, all related to each other. This can be understood by regarding them as being spatially nested, thus forming a mosaic at the earth’s surface..Both the complexity and the dependence on spatial scale pose problems for classification. To solve these, we argue for a deductive top-down a
值得赞赏
发表于 2025-3-28 03:07:37
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方便
发表于 2025-3-28 06:19:28
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Digest
发表于 2025-3-28 11:31:36
A flexible multiple stress model: who needs a priori classification?fferent environmental problems. The model consists of two modules: one for soil and one for vegetation. In the soil module changes in abiotic site factors (e.g. soil moisture, soil nutrient availability, and soil acidity) are predicted for various environmental scenarios. In the vegetation module th