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Titlebook: Biotic Diversity and Germplasm Preservation, Global Imperatives; Lloyd V. Knutson (Research Entomologist),Allan K. Book 1989 Kluwer Acade

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楼主: 赞美
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Culture and care: ethical and policy dimensions of germplasm conservationely as a species took upon ourselves. Until recently, however, the maintenance of biotic diversity required little active care. The simple activities of farmers and herders have sufficed to insure that nature and all its diversity would remain safe from harm..It was not until the last several decade
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