proptosis 发表于 2025-3-21 18:24:20

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progestin 发表于 2025-3-21 22:16:38

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发表于 2025-3-22 02:57:57

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MORT 发表于 2025-3-22 07:26:49

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PRO 发表于 2025-3-22 08:49:17

Ablauf einer Angebotsbearbeitungaquatic 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

领袖气质 发表于 2025-3-22 13:34:58

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领袖气质 发表于 2025-3-22 19:56:45

https://doi.org/10.1007/978-3-662-05742-1 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

大门在汇总 发表于 2025-3-23 00:03:57

Grundlagen der Angebotsbearbeitung,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

泥沼 发表于 2025-3-23 02:31:47

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威胁你 发表于 2025-3-23 08:15:31

Angebots- und ProjektkalkulationThe physiologist studies organisms in the laboratory under strictly controlled external conditions; the ecologist, however, makes his investigations in the field under constantly changing and often very extreme conditions as, for example, in the desert or the Arctic.
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查看完整版本: Titlebook: Ecological Systems of the Geobiosphere; 1 Ecological Princip Heinrich Walter,Siegmar-W. Breckle Textbook 1985 Springer-Verlag Berlin Heidel