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为保护而猎杀老虎:养殖论点的谬误。

Killing tigers to save them: fallacies of the farming argument.

机构信息

White Horse Mountain, Ltd., Central, Hong Kong.

出版信息

Conserv Biol. 2010 Jun;24(3):655-9. doi: 10.1111/j.1523-1739.2010.01468.x. Epub 2010 Mar 12.

Abstract

The lucrative, illegal trade in tigers (Panthera tigris) remains a major conservation problem. Tiger farming has been proposed as a potential solution, with farmed tigers substituting for wild tigers. At first glance, this argument's logic seems simple: farming will increase the supply of tigers, prices will fall, and poaching will no longer be profitable. We contend, however, that this supply-side argument relies on mistaken assumptions. First, tiger markets are imperfect, meaning they are dominated by a few producers who control price. Second, consumers prefer wild tigers to farmed tigers and therefore the two are not pure substitutes. In economic terms, products from wild tigers are luxury goods, commanding a price premium. Third, there is no evidence that farmed tigers can be produced or sold more cheaply than wild tigers. In sum, it is unlikely that farming will drive down the price of wild-caught tigers or decrease profitability for tiger poachers. Rather, tiger farming is more likely to increase aggregate demand for tiger products and stimulate higher levels of poaching.

摘要

老虎(Panthera tigris)的有利可图的非法贸易仍然是一个主要的保护问题。老虎养殖被提议作为一种潜在的解决方案,养殖的老虎可以替代野生老虎。乍一看,这个论点的逻辑似乎很简单:养殖将增加老虎的供应,价格将下降,偷猎将不再有利可图。然而,我们认为,这种供应方的论点基于错误的假设。首先,老虎市场并不完善,这意味着它们由少数控制价格的生产者主导。其次,消费者更喜欢野生老虎而不是养殖老虎,因此两者不是纯粹的替代品。从经济学的角度来看,野生老虎的产品是奢侈品,因此价格更高。第三,没有证据表明养殖老虎可以比野生老虎更便宜地生产或销售。总之,养殖不太可能降低野生老虎的价格或降低偷猎者的盈利能力。相反,老虎养殖更有可能增加对老虎产品的总需求,并刺激更高水平的偷猎。

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