Fig 1.
Experimental area and the five experimental plots.
IMGERS, Inner Mongolia Grassland Ecosystem Research Station (43°33′N, 116°40′E). GE0, free grazing grassland; GE4, 4-yr grazing exclusion grassland; GE7, 7-yr grazing exclusion grassland; GE11, 11-yr grazing exclusion grassland; GE31, 31-yr grazing exclusion.
Table 1.
Changes in soil properties with grazing-exclusion duration in in the Inner Mongolian grasslands.
Fig 2.
Changes in soil organic carbon (SOC), easily oxidizable organic carbon (EOC) (A), water-soluble organic carbon (WSOC), and microbial biomass carbon (MBC) (B) with grazing-exclusion duration in the Inner Mongolian grasslands.
Table 2.
Pearson correlation coefficients among organic carbon components and other soil properties.
Fig 3.
Changes in mean weight diameter with grazing-exclusion duration in the Inner Mongolian grasslands.
Table 3.
Changes in the content of soil aggregates and their organic carbon content with grazing-exclusion duration in the Inner Mongolian grasslands.
Fig 4.
Carbon storage in soil aggregates with grazing-exclusion duration in the Inner Mongolian grasslands.