. 2019 Jul 12;10:925. doi: 10.3389/fpls.2019.00925

TABLE 2.

Changes in ANPP, plant diversity and the plant biomass of functional groups for each grazing intensity during the growing seasons from 2015 to 2017 (mean ± standard error).

	Grazing intensities

	UG	LG	MG	HG
ANPP (g/m²)	334.13±13.87^a	435.97±15.93bc	475.20±17.83^c	396.77±19.38^b
Species richness	26.67±0.88^a	26.81±0.80^a	27.39±0.82^a	25.94±0.57^a
Shannon–Wiener diversity index	2.50±0.05^a	2.54±0.04^a	2.57±0.04^a	2.58±0.03^a
Pielou’s evenness index	0.76±0.01^a	0.78±0.01^a	0.78±0.01^a	0.80±0.01^a
Biomass of Poaceae (g/m²)	87.16±14.48^a	38.86±5.69^b	20.91±3.29^c	14.67±1.96^c
Biomass of Cyperaceae (g/m²)	60.02±6.80^a	52.09±9.98^a	27.12±3.06^b	17.76±1.88^b
biomass of Fabaceae (g/m²)	15.34±2.70^a	8.39±1.38^b	9.33±1.42ab	6.51±0.86^b
Biomass of Asteraceae (g/m²)	62.69±9.06ab	77.03±9.79^a	47.78±6.29ab	36.13±3.80^b
Biomass of Others (g/m²)	95.85±5.34^a	60.04±4.58^b	65.03±6.38^b	51.97±4.29^b

ANPP, aboveground net primary production; UG, un-grazed; LG, light grazing; MG, moderate grazing; HG, heavy grazing. Different lowercase letters indicate significant differences between grazing intensities.