Medicinal plants are supplied through collection from wild populations and cultivation.

药用植物通过收集野生生物种群和栽培植物来提供。

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The collection of specimens from the wild is one of the main threats facing the world's carnivorous plants, a study has recorded.

一项研究表明，野外标本的采集是世界食肉植物面临的主要威胁之一。

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Although they are protected by law, the wild crocodiles are under pressure from the illegal collection of eggs and live animals, to be sold to the thriving crocodile farms which have sprung up in Cambodia.

BBC: A Fauna & Flora project hopes to save a rare crocodile