Annual precipitation shows a decreasing trend in the order of meadow steppe (350–500 mm)>typical steppe (300–400 mm)>steppe desert (135–311 mm)>desert steppe (45–215 mm) (Wang et al., 2020 ). 2.2.
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Response of grassland net primary productivity to dry and wet climatic events in four grassland types in Inner Mongolia.
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Temporal patterns in NPP in all grasslands in our study showed an increasing trend over the past 20 years (Figure 1b ).