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Forest soil organic matter δ13C along a |altitudinal transect on northern slope of Changbai Mountains under effects of simulated warming. Content and evolution characteristics of organic carbon associated with particle-size fractions of grey desert soil under long-term fertilization. Effects of heavy metals pollution on paddy soil aggregates composition and heavy metals distribution Size fraction of chlorophyll a during and after brown tide in Qinhuangdao coastal waters Spatial variability and influencing factors of soil catalase activity in grapevine fields in Huailai-Zhuolu Basin The distribution of size-fractionated chlorophyll a in the Indian Ocean South Equatorial Current Response of soil organic carbon and its particle-size fractions to different long-term fertilizations in red soil of China Soil particle size fractionation with centrifugation method Composition and stability of organic carbon in the top soil under different forest types in subtropical China The distribution of chlorophyll a in the Southwestern Indian Ocean in summer