New progress has been made in the response mechanism of soil carbon sequestration in subalpine forests to phosphorus addition in Chengdu Biological Institute

 Under the guidance of researcher Pang Xueyong, special research assistant Luo Ruyi of the Chengdu Institute of Biology, Chinese Academy of Sciences, based on the long-term positioning test platform ( 8 years) for nutrient addition in subalpine forest ecosystems on the eastern margin of the Qinghai-Tibet Plateau , using wood Sulphur phenols and amino sugars were used as markers of plant and microbial residues, combined with solid ¹³ C cross-polarized magic angle spin NMR and soil organic carbon physical grouping and other technical means, to systematically explore the long-term effects of different phosphorus additions on soil organic matter in subalpine forests.

 The related research results were published online on April 20 , 2022 in the international authoritative journal Global Change Biology under the title of " Phosphorus addition decreases plant lignin but increases microbial necromass contribution to soil organic carbon in a subalpine forest " .

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Conceptual map of phosphorus addition affecting soil organic carbon accumulation and stability in subalpine forests