An obvious example is bioprospecting, the perusal of nature's genetic library for new food, medicine and pesticide ingredients.
一个典型的例子就是生物勘探，为了寻找新的食物，药品和对除害剂，会细细查看大自然基因库。
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But bioprospecting has done almost nothing to raise the value of standing forests. This is partly because of difficulties in attaching property rights to species.