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Titlebook: Reintegrating Fragmented Landscapes; Towards Sustainable Richard J. Hobbs,Denis A. Saunders Conference proceedings 1993 Springer-Verlag Ne

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發(fā)表于 2025-3-28 17:27:50 | 只看該作者
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發(fā)表于 2025-3-29 05:08:44 | 只看該作者
iese ganz ober zum überwiegenden Teile dem weiblichen Geschlecht zukommen. Beim Vogel baut das Weibchen das Nest mit dem Material, das ihm das M?nnchen zutr?gt, es brütet die Eier aus. Beim S?ugetier wird der weitaus gr??te Teil der Ent-wicklung im Fruchthalter durchgemacht, der weiteren Brutpflege
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發(fā)表于 2025-3-29 10:18:19 | 只看該作者
Conference proceedings 1993nts such as oil and chemical spills, clearing of rainforests, pollu- tion of waterways, and, towards the end of the decade, concern over the greenhouse effect, concern for the environment has become a major social and political force. Unfortunately, the state of the environment and its future manage
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發(fā)表于 2025-3-29 16:26:01 | 只看該作者
Social History and Impact on Landscape that any vestiges of natural landscape remain at all. The following discussion is concerned primarily with the present shires of Tammin, Kellerberrin, and Trayning (for localities in this chapter see Fig. 3.1) and the surrounding areas, in so far as their history has impinged on that of the region under study in this volume.
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Changes in the Hydrologic Cyclend pastures, runoff and groundwater recharge increased (Table 6.1). This resulted in serious water erosion, waterlogging, flooding, and salinity. It is ironic that all of these problems are caused by excess water when agricultural production is limited by a lack of water at particular times of the year.
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