帕克德知道，生态学教父奥尔多·利奥波德【3】在1934年曾经成功地重建了一块勉勉强强的草原。
Packard knew that the godfather of ecology, Aldo Leopold, had successfully recreated a prairie of sorts in 1934.
自然天敌群落的重建是自然天敌保护和持续利用的生态学基础的一个重要组成部分，对天敌的保护利用和天敌效能的提高有十分重要的意义。
It is one important part of the ecological basis for conserving and utilizing natural enemies, which is of important significance to their conservation and efficacy enhancement.
应用恢复生态学原理，提出了三江源区退化高寒草地生态系统恢复与重建模式。
Then, using the principles of the restoration of ecology, proposed the alpine meadow degradation ecosystem restoration and reconstruction pattern in the source region of three rivers.
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