1970年10月生，生态学系副教授，负责生态实验室的日常管理工作。

教育经历

1988.9～1992.7，西北大学生物系药用植物学专业，获理学学士学位。
学位论文：卤泊滩盐碱地的植物资源及改良利用。
1992.9～1995.7，西北大学生物系植物学专业，获理学硕士学位。
学位论文：葫芦科植物花蜜腺的发育解剖学研究。
1996.9～1999.7，北京大学生命科学学院植物分子与发育生物学系，获理学博士学位。
学位论文：银杏雌配子体的发育及受精作用的研究。

工作经历

1995.7～1996.7，西安萃生药业公司产品开发部。
主要从事：生药的形态与理化鉴别工作。
1999.7～2001.6, 北京大学城市与环境学系博士后。
主要从事：植物生态解剖及分子生态学研究。
2001.7～今，北京大学城市与环境学系生态教研室讲师。

主讲本科生课程：植物学（上）
主讲本科生课程：生态学实验技术
 
参讲研究生课程：植物生理生态学。

指导学生论文
2014级硕士，姜星星
2015级硕士，王媛媛

2016级硕士，邹安龙

科研项目
2012-2015：我国北方草地土壤无机碳库的动态变化（56万），自然科学基金面上项目，负责人

2014-2017：青藏高原和内蒙古高原草地植物的气孔特征及其与环境的关系（87万），自然科学基金面上项目，负责人

1.       Hu XK, Liu LL, Zhu B, Du EZ, Hu XY, Li P, Zhou Z, Ji CJ, Zhu JL, Shen HH, Fang JY. 2016. Asynchronous responses of soil carbon dioxide, nitrous oxide emissions and net nitrogen mineralization to enhanced fine root input. Soil Biology & Biochemistry, 92: 67-78.

2.       Ding JZ, Chen LY, Zhang BB, Liu L, Yang GB, Fang K, Chen YL, Li F, Kou D, Ji CJ, Luo YQ, and Yang YH*, 2016. Linking temperature sensitivity of soil CO₂ release to substrate, environmental and microbial properties across alpine ecosystems. Global Biogeochemical Cycles, 30: 1310-1323. 

3.       Ding JZ, Li F, Yang GB, Chen LY, Zhang BB, Liu L, Fang K, Qin SQ, Chen YL, Peng YF, Ji CJ, He HL, Smith P, and Yang YH*, 2016. The permafrost carbon inventory on the Tibetan Plateau: a new evaluation using deep sediment cores. Global Change Biology, 22: 2688-2701. 

4.       Zhu JL, Shi Y, Fang LQ, Liu XE Ji CJ*. 2015, Patterns and determinants of wood physical properties across major tree species in China. SCIENTIA SINICA Vitae, 58:602-612.

5.       Yang YH*, Ji CJ, Chen LY, Ding JZ; Cheng XL; Robinson, D. 2015. Edaphic rather than climatic controls over ¹³C enrichment between soil and vegetation in alpine grasslands on   the Tibetan Plateau. Functional Ecology, doi: 10.1111/1365-2435.12393.

6.       Zhu JX, Hu XY, Yao H, Liu GH, Ji CJ, Fang JY*. 2015, A significant carbon sink in temperate forests in Beijing: based on 20-year field measurements in three stands. Sci China Life Sci, 58, 1135-1141.

7.       Yang YH*, Li P, Ding JZ, Zhao X, Ma WH, Ji CJ, Fang JY. 2014. Increased topsoil carbon stock across China’s forests. Global Change Biology, doi: 10.1111/gcb.12536.

8.       Yang YH*, Fang JY, Ji CJ, Datta A, Li P, Ma WH, Mohammat A, Shen HH, Hu HF, Knapp BO, Smith P. 2014. Stoichiometric shifts in surface soils over broad geographical scales: evidence from China’s grasslands. Global Ecology and Biogeography, doi: 10.1111/geb.12175.

9.       Yang X. Tang ZY*, Ji CJ, Liu HY, Ma WH, Mohhamot A,Shi ZY, Sun W, Wang T, Wang XP, Wu X, Yu SL, Yue M & Zheng CY. 2014. Scaling of nitrogen and phosphorus across plant organs in shrubland biomes across Northern China. Sci. Rep. 4, 5448; DOI:10.1038/srep05448.

10.   Yang CH, Li DY, Liu X, Ji CJ, Hao LL, Zhao XF, Li XB, Chen CY, Cheng ZK and Zhu LH*. 2014. OsMYB103L, an R2R3-MYB transcription factor, influences leaf rolling and mechanical strength in rice (Oryza sativa L.) BMC Plant Biology. 14，doi: 10. 1186/ 1471-2229-14-158

11.   Li LP, Han WX, Thevs N, Jia XH, Ji CJ, Jin DM, He P, Schmitt AO, Tommaso GC, Zerbe S*. 2014. A Comparison of the Functional Traits of Common Reed (Phragmites australis) in Northern China: Aquatic vs. Terrestrial Ecotypes. PLoS ONE 9(2): e89063. doi:10.1371/ journal.pone. 0089063

12.    Ji CJ, Yang YH*, Han WX Smith P, smith J. 2014. Climatic and Edaphic controls on soil Ph in  Alpine Grasslands on the Tibetan Plateau: a Quantitative Analysis. Pedosphere, 24: 39-44.      

13.   Yang XX, Yang Y, Ji CJ, Feng T, Shi Y, Lin L, Ma JJ, He JS*. 2014. Large-scale patterns of stomatal traits in Tibetan and Inner Mongolian grassland species. Basic and Applied Ecology. 15: 122-132.

14.   Li LP, Zerbe S, Han WX, Thevs N, Li WP, H P, Schmitt AO, Li YN, Ji CJ. 2014. Nitrogen and phosphorus stoichiometry of common reed (Phragmites australis) and its relationship to nutrient availability in northern China. Aquatic Botany, 112: 84-90. doi: 10.1016/ j.aquabot2013.08.002.

15.   Yang CH, Li DY, Mao DH, Liu X, Ji CJ, Li XB, Zhao XF, Chen CY, Zhu LH*.2013. Over expression of microRNA319 impacts leaf morphogenesis and leads to enhanced cold tolerance in rice (Oryza sativa L.). Plant, Cell & Environment, 36: 2207-2218.

16.   Yang YH*, Ji CJ, Robinson D, Zhu B, Fang HJ, Shen HH, Fang JY. 2013. Vegetation and soil 15N natural abundance in alpine grasslands on the Tibetan Plateau: patterns and implications. Ecosystem, 16: 1013-1024.

17.   Yang YH, Fang JY*, Ji CJ, Ma WH, Mohammat A, Wang SF, Wang SP, Datta A, Robinson D, Smith P. 2012. Widespread decreases in topsoil inorganic carbon stocks across China`s grasslands during 1980s-2000s. Global Change Biology, 18: 3672–3680, doi: 10.1111/gcb. 12025

18.   Ma JJ, Ji CJ*, Han M, Zhang TF, Yan XD, Hu D, Zeng H, He JS. 2012. Comparative analyses of leaf anatomy of dicotyledonous species in Tibetan and Inner Mongolian grasslands. Sci China Life Sci, 55: 68-79. doi:10.1007/s11427-012-4268-0.

19.   Yang YH, Ji CJ, Ma WH, Wang SF, Wang SP, Han WX, Mohammat A, Robinson D, Smith P. 2012. Significant soil acidification across northern China’s grasslands during 1980s-2000s. Global Change Biology, 18: 2292–2300, doi: 10.1111/j.1365-2486.2012.02694.x

20.   Yang YH, Fang JY, Ji CJ, Ma WH, Su SS, and Tang ZY, 2010. Soil inorganic carbon stock in the Tibetan alpine grasslands. Global Biogeochemical Cycles, doi: 10.1029/2010 GB003804.

21.   Yang YH, Fang JY, Fay PA, Bell JE, and Ji CJ, 2010. Rain use efficiency across a precipitation gradient on the Tibetan Plateau. Geophysical Research Letters, 37, L15702, doi:10.1029/2010GL043920.

22.   Yang YH, Fang JY, Guo DL, Ji CJ, and Ma W, 2010. Vertical patterns of soil carbon, nitrogen and carbon: nitrogen stoichiometry in Tibetan grasslands. Biogeosciences Discuss, 7: 1-24.

23.   Yang YH, FangYJ, Smith P, Tang YH, Chen AP, Ji CJ, Hu, HF, Rao S, Tan K and He JS. 2009, Changes in topsoil carbon stock in the Tibetan grasslands between the 1980s and 2004. Global Change Biology, doi: 10.1111/j.1365-2486.2009.01924.x

24.   Yang YH, Fang JY*, Pan YD, and Ji CJ. 2009, Aboveground biomass in Tibetan grasslands. Journal of Arid Environments, 73: 91-95.

25.   Yang YH, Fang JY*, Ji CJ, and Han WX. 2009, Above- and belowground biomass allocation in Tibetan grasslands. Journal of Vegetation Science, 20: 177-184.

26.   Yang YH, Fang JY*, Tang YH, He JS, Ji CJ, Zheng CY, and Zhu B. 2008, Storage, patterns, and controls of soil organic carbon in the Tibetan grasslands. Global Change Biology, 14: 1592-1599.

27.   Ye BP, Ji CJ, Yang LL, Yang ZH, Cao ZX*, 2000. Studies on a gynoecious-species ACC synthase gene in different sexual phenotypes of Cucumber genome. Acta Botanica Sinica, 42: 164-168.

28.   Ji CJ, Yang X, Li ZL*, 1999. Morphological studies on megaspore formation in Ginkgo biloba. Acta Botanica Sinica, 41: 219-221.

29.   Ji CJ, Yang X, Li ZL*, 1999. Ultrastructural studies on megaspore formation in Ginkgo biloba. Acta Botanica Sinica, 41: 1323-1326.

30.   Zhang ZM, Ji CJ, Yang X, Li ZL*, 1999. Cell divisions during microsporogenesis and development of the male gametophyte in Ginkgo biloba. Acta Botanica Sinica, 41: 479-483.