Pcos971
发表于 2025-3-27 00:07:21
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睨视
发表于 2025-3-27 05:08:01
Conservation in the Context of Non-Indigenous Speciese to biological communities . Relatively little effort has been devoted to understanding biological invasions of natural areas in the midwestern United States.
谆谆教诲
发表于 2025-3-27 06:12:05
Terrestrial Nature Reserve Design at the Urban/Rural Interface15.1-15.2). Awareness is increasing that terrestrial conservation efforts in some parts of the United States must by necessity be on small pieces of habitat, supporting small populations of species (e.g., Mitchell et al. 1990). Small reserves are important in areas where landscape alteration is very high . very low (Shafer 1995).
Hla461
发表于 2025-3-27 12:59:34
ng in winter drowned lands and marshes. By the dryness of the season they were now beautiful pastures, and here presented itself one of the most delightful prospects I have ever beheld; all low grounds being meadow, and without wood, and all of the high grounds being covered with trees and appearing
单调性
发表于 2025-3-27 16:32:04
Book 1997er drowned lands and marshes. By the dryness of the season they were now beautiful pastures, and here presented itself one of the most delightful prospects I have ever beheld; all low grounds being meadow, and without wood, and all of the high grounds being covered with trees and appearing like isla
去才蔑视
发表于 2025-3-27 18:23:29
Book 1997 horse and buggy. The ribbon of concrete has been widened and widened until the field fences threaten to topple into the road cuts. In the narrow thread of sod between the shaved banks and the toppling fences grow the relics of what once was Illinois: the prairie.
Jogging
发表于 2025-3-28 01:41:28
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浮夸
发表于 2025-3-28 03:25:44
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迅速成长
发表于 2025-3-28 09:29:46
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APO
发表于 2025-3-28 13:46:24
Forest Communities of the Midwestern United Stateses. Originally deciduous forest extended as an almost unbroken blanket across eastern North America from just north of the Great Lakes and the Gaspe Peninsula south to the gulf coast, including eastern Texas and all but the southern third of Florida (Braun 1950). The western boundary was indistinct,