debase
发表于 2025-3-25 04:41:35
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低位的人或事
发表于 2025-3-25 09:25:24
Terrestrial Ecosystems and Their Special Features,aquatic systems, which can be represented as is thought of as being generally applicable. It is, however, not possible simply to extend this to terrestrial systems, which are far more complex in their structure. In terrestrial systems there are two parallel cycles, a short cycle and a long; in the s
periodontitis
发表于 2025-3-25 14:24:18
Ecological Aspects of Assimilation and Primary Production in Humid and Arid Areas,gy flow within every ecosystem. In this process, atmospheric CO. is taken up by the chloroplasts and, with the aid of absorbed light energy, is converted to organic compounds, mostly carbohydrates; during this process storage of chemical energy takes place. Intermediate compounds with three carbon a
Collected
发表于 2025-3-25 16:54:17
The Competitive Factor and Root Competition, these are of importance only indirecily in that they affect the competitiveness of the plants. Only at the absolute limits of distribution, in arid and icy deserts, at the edge of the salt desert or where the forest shade is deepest—in other words, where competition is absent—do environmental facto
Ruptured-Disk
发表于 2025-3-25 22:48:05
,Succession—Climax—Zonal Vegetation,by Tansley and Braun-Blanquet as well. It was a grand theoretical conception, but it did not reflect real conditions in the natural environment and is a good example of the dangers inherent in theorizing in ecology without wide field experience. This may still arise today, particularly in the case o
conspicuous
发表于 2025-3-26 00:41:24
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FAR
发表于 2025-3-26 06:28:24
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Facilities
发表于 2025-3-26 10:12:09
Die Vorvertragsphase von Softwareprojekten, where there is no competition; these may be fields in arid areas with a short rainy period, or in those areas in temperate zones which have short, hot summers or, frequently, uncultivated soils in warm climates.
jocular
发表于 2025-3-26 15:00:17
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蒙太奇
发表于 2025-3-26 18:19:41
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