The decision was taken on the final day of a major international conference on regulating the trade in wildlife species.

该决定是在一场意在规范野生物种交易的重大国际会议的最后一天做出的。

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Prior to the establishment of CITES in 1973, there was no international regulation of the cross-border trade in wildlife.

NPR: UN Calls For Clampdown On Illegal Wildlife Trade

Since 1976, trade in rhinoceros horn has been regulated under the Convention on International Trade in Endangered Species of Wild Fauna and Flora, a treaty signed by more than 175 countries to protect fish, wildlife and plants that are or may become imperiled as a result of demand in international markets.

WSJ: 3 charged in smuggling horns of endangered rhinos