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Conservation science

Trade-in to trade-up

Nature reserves and protected areas enjoy sacred status in conservation — which translates into a 'do not touch' attitude. But selling off some of the less worthy of them would pay conservation dividends.

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Figure 1: Acacia harpophylla — in need of protection.

R. SMITH/PHOTOLIBRARY.COM

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Kareiva, P. Trade-in to trade-up. Nature 466, 322–323 (2010). https://doi.org/10.1038/466322a

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