Fig. 4: Geographic range and protection status of the newly proposed Central China global biodiversity hotspot. | Nature Ecology & Evolution

Fig. 4: Geographic range and protection status of the newly proposed Central China global biodiversity hotspot.

From: A comprehensive dated phylogeny of China’s vascular plants reveals a hidden global biodiversity hotspot

Fig. 4: Geographic range and protection status of the newly proposed Central China global biodiversity hotspot.

The newly proposed Central China hotspot (light green) encompasses taxonomic endemism centres (yellow grid cells) at genus and species levels using quartile and temporal threshold criteria. Brown shading shows partial overlap with four recognized global biodiversity hotspots in China, and dark green indicates current national nature reserves. The Hu Huanyong Line (black dashed) demarcates China’s east–west population divide, extending from Heihe City (Heilongjiang Province) to Tengchong City (Yunnan Province). Orange curves indicate major mountain ranges in Central China: (1) Qinling, (2) Daba, (3) Huaying, (4) Dalou, (5) Wuling, (6) Miaoling, (7) Xuefeng, (8) Luoxiao, (9) Nanling, (10) Wuyi, (11) Tianmu and (12) Dabie. Representative vascular plant genera endemic to Central China are illustrated on the right. The national boundary layer was downloaded from the Standard Map Service website (approval number GS(2019)1823; http://bzdt.ch.mnr.gov.cn/browse.html?picId=%224o28b0625501ad13015501ad2bfc0256%22; accessed October 2022).

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