女，博士，中国科学院地理科学与资源研究所副研究员，硕士生导师。2024年入选北京市科学技术协会青年人才托举工程，2023年入选中国生态学学会青年人才托举工程；2022年获北京市、中国科学院大学及中国科学院地理科学与资源研究所优秀毕业生、中国科学院院长奖，2021年、2020年获国家奖学金。近五年主持国家自然科学基金青年基金和国家重点研发计划子课题、中国博士后科学基金面上及特别资助、部级实验室开放基金等。已发表论文60余篇，SCI收录50余篇，被引1300余次。其中第一/通讯作者发表论文23篇，其中SCI收录19篇，5篇IF>10，10篇中科院一区TOP，主要包括Science Bulletin、Water Research、Earth-Science Reviews、Journal of Hydrology、Limnology and Oceanography、Water Resources Research等水文学和环境学领域国际主流刊物。

主要研究领域：

1.内陆水体碳生产与代谢交换的时空格局及水文驱动机制

监测与模拟内陆水体初级生产力、生态系统代谢速率和碳交换通量，定量解析水文过程驱动下的碳源汇动态及其生物地球化学协同机制。

2.陆-海水生连续体碳交换与生产的全球及区域尺度评估

结合水色遥感、模型与多源数据，开展陆海连续体碳交换与生产的全球及区域尺度评估，解析气候变化与人类活动耦合作用下的碳循环格局及其驱动机制。

3.浮游植物多样性、碳传递效率及全球变化响应

揭示浮游植物功能群落结构和多样性对水体碳循环的生物调控机制，解析水体食物链碳传递效率，阐明气候变化与人为干扰对浮游植物多样性及其生态功能的影响。

代表性论文：

1.    Junjie Jia, Guirui Yu, Kun Sun, Tao Cui, Yang Gao. Decadal Water level decline suppresses ecosystem metabolism and mitigates net heterotrophy in a floodplain lake. Water Resources Research, 2026, 62(6): e2025WR041128.

2.    Junjie Jia, Sidan Lyu, Kun Sun, Guirui Yu, Yang Gao. Warm-water sink, cold-water source: Temperature-dependent metabolic drivers of seasonal carbon transitions in the estuarine-coastal continuum. Limnology and Oceanography, 2026, 71: e70356.

3.    Junjie Jia, Thomas Kiørboe, Erik Selander, Fredrik Ryderheim. Predator-induced defense reduces growth rate and carrying capacity in a toxic diatom, Pseudo-nitzschia seriata. Harmful Algae, 2025,148: 102920

4.    Junjie Jia, Yang Gao, Shuoyue Wang, Fan Wu, Yao Lu, Xianrui Ha. Feedbacks between phytoplankton and global changes in a riverine source-mainstem-estuary continuum. Water Research, 2025, 268: 122746

5.    Junjie Jia, Jennifer A.J. Dungait, Guirui Yu, Tao Cui, Yang Gao*. Nutrient enrichment and climate warming drive carbon production of global lake ecosystems. Earth-Science Reviews, 2024, 258: 104968

6.    Junjie Jia, Kun Sun, Sidan Lü, Mingxu Li, Yafeng Wang, Guirui Yu, Yang Gao. Determining whether Qinghai–Tibet Plateau waterbodies have acted like carbon sinks or sources over the past 20 years. Science Bulletin, 2022, 67: 2345-2357

7.    Junjie Jia, Yang Gao, Boqiang Qin, Jennifer A.J. Dungait, Yong Liu, Yao Lu, Kun Shi, Guirui Yu¹. Evolving geographical gross primary productivity patterns in global lake systems and controlling mechanisms of associated phytoplankton communities since the 1950s. Earth-Science Reviews, 2022, 234: 104221

8.    Junjie Jia, Yang Gao, Kun Sun, Shuoyue Wang, Jing Wang, Zhaoxi Li, Yao Lu, Wanqian Deng, Xianrui Ha. Drawdown zone can shift a floodplain-lake system from a steady carbon source to an unsteady carbon sink. Agricultural and Forest Meteorology, 2022, 327: 109224

9.    Junjie Jia, Yang Gao, Kun Sun, Yao Lu, Jing Wang, Kun Shi. Phytoplankton community composition, carbon sequestration, and associated regulatory mechanisms in a floodplain lake system. Environmental Pollution, 2022, 306: 119411

10.  Junjie Jia, Yang Gao, Feng Zhou, Kun Shi, Penny J. Johnes, Jennifer A.J. Dungait, Mingzhen Ma, Yao Lu. Identifying the main drivers of change of phytoplankton community structure and gross primary productivity in a river-lake system. Journal of Hydrology, 2020, 583: 124633

招生方向：欢迎具有水生生物学、水文模型、水质遥感、环境地球化学背景硕士生。

联系方式：

E-mail：jiajj.16s@igsnrr.ac.cn