Optimized Spatial Priorities for Biodiversity Conservation in China: A Systematic Conservation Planning Perspective
Figure 5
The distribution of priority units on (A) HDI, (B) elevation, and (C) TRI zones.
The numbers 1 to 7 on the horizontal axes represent (A) low to high HDI value classifications, (B) elevation zones of <200, 200–500, 500–1,000, 1,000–1,500, 1,500–2,000, 2,000–4,000, and >4,000 m, and (C) terrain categories of level, near-level, slightly-rugged, intermediately-rugged, moderately-rugged, highly-rugged, and extremely-rugged.