颁布单位：[University of Pretoria] |  颁布时间：2005 |  实施时间：2005 |  学科分类：[["Birds, environmental, aspects, africa, southern",, "Birds, effect, of, human, beings, on, africa, southern",, "Bird, populations, estimates, africa, southern",, "Birds, protection, of, africa, southern",, "Animal, diversity, conservation, africa, southern",, "Bird, surveys, africa, southern",, "UCTD"]]

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