Response of alfalfa and smooth brome to nitrogen fertilizer in monoculture and mixed grasslands Seasonal dynamics of belowground biomass and productivity and potential of carbon sequestration in meadow steppe and typical steppe, in Inner Mongolia, China Spatial interpolation analysis of grassland below-ground biomass in the Inner Mongolia Autonomous Region, China Establishment of Individual Biomass Equations for Caragana korshinskiiand Armeniaca sibirica in Inner Mongolia Above-and below-ground biomass distribution of main alpine meadow plants and impact of degradation on root/shoot ratio and root area Individual tree biomass model by tree origin, site classes and age groups