2005.09-2010.06，中国海洋大学，海洋生命学院，理学博士学位；

2001.09-2005.05，山东大学（威海），海洋学院，理学学士学位。

2015.01 -至今，中国科学院海洋研究所海洋生态与环境科学实验室，副研究员；

2010.07 -2014.12，中国科学院海洋研究所海洋生态与环境科学实验室，助理研究员。

1、国家重点研发计划子课题，2017YFA0603204，海洋生化环境关键参数观测数据处理方法和产品研制，2017/07-2022/06，105万元，在研，主持;        

2、国家自然科学基金青年项目，41306161，胶州湾浮游病毒的多样性研究，2014/01-2016/12，25万元，已结题，主持；

3、国家自然科学基金重点项目，41330962，多细胞趋磁原核生物的生理代谢及进化研究，2014/01-2018/12，295万元，已结题，参加；

4、国际海域资源调查与开发"十二五"项目子课题，DY125-15-R-03，趋磁细菌多样性及单细胞全基因组测序，2013/01-2015/09，73万元，已结题，主持；

1.Zhao, Yanchu^#,Yuan Zhao^#*, Shan Zheng, Li Zhao, Xuegang Li, Wuchang Zhang, G rald Gr gori, and Tian Xiao. 2020. Virioplankton distribution in the tropical western Pacific Ocean in the vicinity of a seamount,MicrobiologyOpen: e1031.      

2.Li, Haibo, Chaofeng Wang, Chen Liang,Yuan Zhao*, Wuchang Zhang, G rald Gr gori, and Tian Xiao. 2019. Diversity and distribution of tintinnid ciliates along salinity gradient in the Pearl River Estuary in southern China,Estuarine, Coastal and Shelf Science, 226: 106268.

3.Zhao, Li, Yanchu Zhao, Yi Dong,Yuan Zhao*, Wuchang Zhang, Jianhong Xu, Ying Yu, Guangtao Zhang, and Tian Xiao. 2018. Influence of the northern Yellow Sea Cold Water Mass on picoplankton distribution around the Zhangzi Island, northern Yellow Sea,Acta Oceanologica Sinica, 37: 96-106.

4.Zhang, Shan, Haibo Li, Xue Chen, Yi Dong, Fang Zhang, Tian Xiao, Wuchang Zhang, andYuan Zhao*. 2018. Differences in planktonic ciliate spatial distribution in spring and autumn in the southern Yellow Sea,Acta Oceanologica Sinica, 37: 48-57.

5.Li, Haibo, Wuchang Zhang,Yuan Zhao*, Li Zhao, Yi Dong, Chaofeng Wang, Chen Liang, and Tian Xiao. 2018. Tintinnid diversity in the tropical West Pacific Ocean,Acta Oceanologica Sinica, 37: 218-28.

6.Zhao, Yuan, Li Zhao, Wuchang Zhang, Jun Sun, Lingfeng Huang, Jia Li, Hongchang Zhai, Sumei Liu, and Tian Xiao. 2016. Variations of picoplankton abundances during blooms in the East China Sea,Deep Sea Research Part II: Topical Studies in Oceanography, 124: 100-08.

7.Zhao, Li,Yuan Zhao*, Jianhong Xu, Wuchang Zhang, Lingfeng Huang, Zengjie Jiang, Jianguang Fang, and Tian Xiao. 2016. Distribution and seasonal variation of picoplankton in Sanggou Bay, China,Aquaculture Environment Interactions, 8: 261-71.

8.Zhao, Yuan, Li Zhao, Tian Xiao, Chenggang Liu, Jun Sun, Feng Zhou, Sumei Liu, and Lingfeng Huang. 2013. Temporal variation of picoplankton in the spring bloom of Yellow Sea, China,Deep Sea Research Part II: Topical Studies in Oceanography, 97: 72-84.

9.赵燕楚,赵丽,张武昌,李学刚,赵苑*,肖天*. 2020.热带西太平洋M4海山超微型浮游生物的生态分布特点,海洋与湖沼, 7(4).

10. 赵燕楚,赵丽,张武昌,刘素美,蒋增杰,方建光,赵苑*,肖天*. 2018.桑沟湾微微型浮游生物丰度和生物量分布的季节变化,海洋科学,42(5): 145-54.

1、张武昌,陶振铖,赵苑,金鑫. 2020.中国海浮游桡足类图谱(第二版),科学出版社:北京.

1. 2017年度海洋科学技术二等奖.海洋微型生物的生态特点.肖天,张武昌,赵苑,赵丽,李洪波,刘敏,张翠霞,于莹,董逸,李海波。