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1．浮游生物生态系统动力学及生态灾害；浮游生物分类鉴定
2．浮游生物摄食生态学（含仔稚鱼摄食生态学）；经典食物链-微食物环摄食评估
3．浮游动物运动微行为学（基于显微高速摄像技术）；
4. 关键生态系统浮游生物碳汇
- 孙松 , 孙松 and 孙松. 温度和饵料对双刺纺锤水蚤产卵率、孵化率的影响. 海洋科学集刊, 2025.
- Xiaohong Sun and Song Sun. Seasonal and spatial variability in egg production, abundance and production of small copepods in and near Jiaozhou Bay, China. Journal of Plankton Research, 2025.
- Xiaohong Sun and Song Sun. Seasonal change in body length of important small copepods and relationship with environmental factors in Jiaozhou Bay, China. Chinese Journal of Oceanology and Limnology, 2025.
- SUN Xiaohong and LIANG Zhenlin. Seasonal variation in community structure and body length of dominant copepods around artificial reefs in Xiaoshi Island, China. Chinese Journal of Oceanology and Limnology, 2025.
- 袁晓楠. 威海近岸人工鱼礁布设对生物资源恢复效果. 海洋学报, 2025.