A close correlation exists between soil aggregation and soil organic carbon sequestration. Soil organic matter is the main material needed in the formation of soil aggregates and soil aggregates provide a place for soil organic matter to sequester carbon. The effects of different revegetation types on the aggregation of soil particles, the stability of soil aggregates, as well as carbon and fractions in soil aggregates were studied in a loess hilly鄄gully area; soil organic carbon and fraction忆s micro鄄response to different revegetation types are discussed. The results show the distribution of soil aggregates has a " V冶 distribution under a variety of revegetation and restoration measures. Small (< 0. 25 mm) and large (> 5. 0 mm) particle sizes form the most aggregates. The next largest aggregate size classes were 2-5 mm and 0. 25-1. 0 mm,
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