China's ecosystems: Overlooked species

![Figure][1] Red-necked pond turtle ( Mauremys nigricans ) PHOTO: FLPA/ALAMY STOCK PHOTO A recent Report by Z. Ouyang et al. (“Improvements in ecosystem services from investments in natural capital,” 17 June, p. [1455][2]) found that investment in the restoration and preservation of

[1]  S. Williams,et al.  Rare species contribute disproportionately to the functional structure of species assemblages , 2016, Proceedings of the Royal Society B: Biological Sciences.