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| animal species reintroduction Attempts made to prevent the extinction of threatened species and populations by reintroducing them in their natural habitat. The reintroduction of species in a region requires a preliminary study to establish the reasons of their disappearance and the modifications that might have occurred in the biotopes (将受威胁物种再引进到自然栖息地以防止物种灭绝。 物种的再引进需要对它们消失的原因以及其生态环境的更动进行初步研究。) | |||
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