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Soil Organic Carbon Contents of Larix principis-rupprechtii Plantations in the Southern Part of Liupan Mountains CORRELATION ANALYSIS OF LANDSAT TM DATA AND ITS DERIVED DATA， METEOROLOGICAL DATA AND TOPOGRAPHIC DATA WITH THE BIOMASS OF DIFFERENT AGED TROPICAL FORESTS Physiological characteristics and senescence of fine roots in Robinia pseudoacacia plantations of different forest ages in the Loess Plateau Carbon storage and its distribution pattern in the natural Larix gmelinii forests on Daxing‘an mountains Changes in soil nitrogen and microbial activity during Robinia pseudoacacia recovery period in the Loess Hilly-Gully region Shrub and herb diversity at different ages of Pinus massoniana plantation Litter Decomposition and Nutrient Dynamic of Betula platyphylla Secondary Forest with Different Stand Ages in Xiaoxing’an Mountains Soil organic carbon density and its influencing factors of major forest types in the forest region of Northeast China. Effects of China future land use change on aboveground vegetation biomass. Coupling Relationships between Soil Microbe and Soil Nutrient in Eucalyptus urophylla×E.grandis Plantation at Different Stand Ages Accumulation of soil organic carbon and total nitrogen in Pinus yunnanensis forests at different age stages. Change of Soil Quality Affected by Forest Age of Pinus tabulaeformis Plantations Decomposition Characteristics Affected by Forest Age in Pinus tabulaeformis Plantations