运动性 发表于 2025-3-27 00:26:44

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欲望 发表于 2025-3-27 04:55:06

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exacerbate 发表于 2025-3-27 07:40:35

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Ringworm 发表于 2025-3-27 10:41:20

The Heaths,ils even poorer and more acid than those dominating in healths. It is possible to recognize acid heaths, on silicaceous rocks, and calcareous heaths on limestone. The former are characterized by . spp., . and .; the latter shrubs of hawthorn (.), juniper (.) and yew (.) besides graminoid plants of the genus . and other.

Adulate 发表于 2025-3-27 16:17:10

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CHECK 发表于 2025-3-27 17:59:46

The Steppe,s scarce, water must not be absent during the development period, because the soil absorbs it very rapidly and evaporation (or in this case évapotranspiration) is generally high. In this period the temperature must be mild, but very cold winters, as well as prolonged periods of drought, do not effect the dormant phase of the vegetation.

阻挠 发表于 2025-3-27 23:32:48

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Original 发表于 2025-3-28 02:53:46

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联合 发表于 2025-3-28 07:05:40

Der Fehlschlag und seine Ursache,mit of tree vegetation, going from 59° in Norway (more or less at the latitude of isotherm 16° of the warmest month) to 72°N in Siberia. In these countries the coniferous species withstand temperatures as low as —30°C. Snow covers the soil with a thick blanket for several months (up to 7 or 8) and i

DNR215 发表于 2025-3-28 13:34:15

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查看完整版本: Titlebook: European Ecosystems; Giorgio Marcuzzi Book 1979 Springer Science+Business Media Dordrecht 1979 Applied ecology.Gewässer.Taiga.amphibians.b