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Regional Analysis of Climate, Primary Production, and Livestock Density in Inner Mongolia

^a Laboratory of Quantitative Vegetation Ecology, Institute of Botany, The Chinese Academy of Sciences, Beijing 100093, P.R. China
^b Natural Resource Ecology Laboratory, Colorado State University, Fort Collins, CO 80523
^c Department of Environmental Sciences, University of Virginia, Charlottesville, VA 22904

View larger version (44K): [in a new window]   Fig. 1. Vegetation map of the Inner Mongolia Autonomous Region (IMAR).

View larger version (66K): [in a new window]   Fig. 2. Spatially interpolated map of average annual rainfall (mm) in the Inner Mongolia Autonomous Region, 1982–1991.

View larger version (25K): [in a new window]   Fig. 3. Relationship between annual rainfall (mm) and peak aboveground biomass (PAB, g m–2) in the Inner Mongolia Autonomous Region (solid line = regression line, broken line = 95% confidence limits).

View larger version (65K): [in a new window]   Fig. 4. County average livestock density (kg km–2, based on total area) in the Inner Mongolia Autonomous Region, 1982–1991.

View larger version (23K): [in a new window]   Fig. 5. Average rainfall-based carrying capacity (RBK, kg km–2) and actual livestock density (kg km–2, DEN_t denotes the density based on total area, while DEN_g indicates that for grazing areas only) for the rural counties in the Inner Mongolia Autonomous Region, 1982–1991.

View larger version (18K): [in a new window]   Fig. 6. Average stocking rate indices (SRI_t and SRI_g represent the stocking rate indices based on total and grazing areas, respectively) for the rural counties in Inner Mongolia, 1982–1991.

View larger version (39K): [in a new window]   Fig. 7. Spatial patterns of average stocking rate indices based (a) on total area and (b) grazing area from 1982–1991 in the Inner Mongolia Autonomous Region (IMAR) (stars represent cities).

View larger version (39K): [in a new window]   Fig. 8. Livestock carrying capacity, annual density [kg km–2, based on total area (a) and grazing area (b)], and stocking rate indices [based on total area (c) and grazing area (d)] for the rural counties along the NorthEast China Transect (NECT) of the Inner Mongolia Autonomous Region (IMAR), 1982–1991. Values in parentheses in the legend denote average annual rainfall.