Altitude
发表于 2025-3-23 12:04:25
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遭遇
发表于 2025-3-23 14:55:51
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惊呼
发表于 2025-3-23 19:17:28
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营养
发表于 2025-3-23 22:40:47
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Mettle
发表于 2025-3-24 05:49:12
David J. Frank, or when seeking more fertile fields in the Ohio Valley and midwestern prairies, they unwittingly initiated an ecological experiment of gigantic proportions. Fields abandoned from agriculture were invaded initially by herbaceous plants and later by woody species such as shrubs and trees. The result
口诀
发表于 2025-3-24 07:07:45
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Conclave
发表于 2025-3-24 11:38:57
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充满装饰
发表于 2025-3-24 17:24:51
Joan Figueras problem in other West European countries (Melzer, 1976; Whitton, 1984; Hoffmann, 1985). The influx of phosphorus into Dutch inland waters can be attributed to three main sources. In 1985, inland sources accounted for 40% of the total influx of phosphorus, while the rivers Rhine and Meuse accounted
危险
发表于 2025-3-24 19:06:23
Christian Piguetut in the last decade landscape ecology has become distinct from its predecessors and its contemporaries. Landscape ecol ogy addresses the relationships among spatial patterns, temporal pat terns and ecological processes. The effect of spatial configurations on ecological processes is fundamental.
Ventilator
发表于 2025-3-25 02:29:28
Wolfgang Nebel common, but in the last decade landscape ecology has become distinct from its predecessors and its contemporaries. Landscape ecol ogy addresses the relationships among spatial patterns, temporal pat terns and ecological processes. The effect of spatial configurations on ecological processes is fu