科研项目：

1、“根系碳在草地土壤中的固存及其对增温的响应机制”， 国家自然科学基金青年基金项目(2023-2025)，主持

2、“中国科学院青年创新促进会项目”，中国科学院人才项目(2022-2025)，主持

3、“中国北方草地土壤木质素单体的¹⁴C变化特征”，中国博士后基金面上一等资助(2018-2020)，主持

4、“珠江河口-近海连续体有机碳循环过程与碳汇意义”，国家自然科学基金重点项目(2023.01-2027.12)，课题主持

代表性论文专著：

Jia J, Liu ZG, Haghipour N, Wacker L, Zhang HL, Sierra CA, Ma T, Wang YY, Chen LT, Luo A, Wang ZH, He J-S, Zhao MX, Eglinton TI, Feng XJ*. 2023. Molecular ¹⁴C evidence for contrasting turnover and temperature sensitivity of soil organic matter components. Ecology Letters, 26: 778-788.

Jia J, Cao ZJ, Liu CZ, Zhang ZH, Lin L, Wang YY, Haghipour N, Wacker L, Bao HY, Dittmar T, Simpson MJ, Yang H, Crowther TW, Eglinton TI, He J-S*, Feng XJ*. 2019. Climate warming alters subsoil but not topsoil carbon dynamics in alpine grassland. Global Change Biology, 25: 4383-4393.

Jia J, Feng XJ*, Graf Pannatier E, Wacker L, McIntyre C, van der Voort T, Montlucon D, Eglinton TI. 2019. ¹⁴C characteristics of dissolved lignin along a forest soil profile. Soil Biology and Biochemistry, 135: 407-410.

Jia J, Feng XJ*, He J-S, He HB, Lin L, Liu ZG. 2017. Comparing microbial carbon sequestration and priming in the subsoil versus topsoil of a Qinghai-Tibetan alpine grassland. Soil Biology and Biochemistry, 104: 141-151.

Jia J, Yu DP, Zhou WM, Zhou L, Bao Y, Meng YY, Dai LM*. 2015. Variations of soil aggregates and soil organic carbon mineralization across forest types on the northern slope of Changbai Mountain. Acta Ecologica Sinica, 35: 1-7.

贾娟, 李星奇, 冯晓娟^*. 2024. 排水对我国两种典型湿地土壤有机碳微生物转化过程的影响. 应用生态学报，35: 1013287.