1. 全球变暖对海草床沉积物有机碳稳定性的影响机理，广东省杰出青年项目，2025B1515020078，2025年1月-2028年12月，在研，主持；

2. 氮负荷对泰来草惰性有机碳形成与分解的影响过程及其机制，国家自然科学基金面上项目，42176155，2022年1月-2025年12月，58万，在研，主持；

3.全球变暖和海洋酸化背景下海草的适应机制及其资源动态影响研究，国家重点研发项目子课题，2022YFF0802201，2022年10月-2027年9月，62万，在研，主持；

4. 2023年度中国科学院“青年创新促进会”项目，2023359，2023年1月-2026年12月，80万，在研，主持；

5. 海南滨海湿地保护修复与碳汇增汇协同增效技术研发与示范-滨海湿地蓝碳增汇技术体系研发与集成，海南省揭榜挂帅重点研发计划项目，ZDYF2023SHFZ172，2023年12月-2026年12月，28万，参与；

6. 富营养化对典型热带海草床沉积物有机碳组分与转化过程的影响机制，国家自然科学基金青年项目，41806147，2019.01-2021.12，25万，已结题，主持；

7. 热带海草床生态修复技术研发与应用示范，海南省重点研发计划项目，ZDYF2020180，2020年11月-2022年11月，60万，已结题，主持；

8. 亚热带典型海草床沉积物储碳能力及其对营养负荷的响应，广东省自然科学基金博士启动项目，2018A030310043，2018年5月-2021年4月，10万，已结题，主持；

9. 我国南方典型海草种子保存和萌发技术研究，广州市科技计划项目，201904010370，2019年4月-2022年3月，20万，已结题，主持。

1.已发表文章100余篇、授权专利4件，专著1部。

2.代表性论文（第一作者或通讯作者）：

(1) Yuzheng Ren, Songlin Liu*, Jiening Liang, Anirban Akhand, Hongxue Luo, Zhijian Jiang, Yunchao Wu, Xiaoping Huang*, Peter I. Macreadie. Improving carbon budgets by accounting for inorganic carbon in seagrass ecosystems. Global Change Biology, 2025, 31: e70060.

(2) Xia Zhang+, Songlin Liu+, Yunchao Wu, Hongxue Luo, Yuzheng Ren, Jiening Liang, Xiaoping Huang, Peter I. Macreadie. Nutrient loading accelerates breakdown of refractory dissolved organic carbon in seagrass ecosystem waters. Water Research, 2025, 273, 123017.

(3) Songlin Liu+, Hongxue Luo+, Stacey M. Trevathan-Tackett, Jiening Liang, Lifeng Wang, Xia Zhang, Yuzheng Ren, Zhijian Jiang, Yunchao Wu, Chunyu Zhao, Xiaoping Huang*. Nutrient-loaded seagrass litter experiences accelerated recalcitrant organic matter decay. Science of the Total Environment, 2024, 953, 176251.

(4) Rong Zhong+, Songlin Liu+, Shiquan Chen*, Linhong Zhao, Dingtian Yang*. Satellite observations reveal anthropogenic pressure significantly affects the suspended particulate matter concentrations in coastal waters of Hainan Island. Journal of Environmental Management, 2024, 365, 121617.

(5) Chunyu Zhao, Songlin Liu*, Xiaoli Zhang, E Meng, Yan Tang, Zhang Fen, Yang Liu, Peter I. Macreadie. Evidence of nitrogen inputs affecting soil nitrogen purification by mediating root exudates of salt marsh plants. Science of the Total Environment, 2024, 946, 174396.

(6) Yuzheng Ren, Songlin Liu*, Hongxue Luo, Zhijian Jiang, Jiening Liang, Yunchao Wu, Xiaoping Huang*, Peter I. Macreadie. Seagrass decline weakens sediment organic carbon stability. Science of the Total Environment, 2024, 937, 173523.

(7) Hongxue Luo, Songlin Liu*, Stacey M.Trevathan-Tackett, Yuzheng Ren, Jiening Liang, Jinlong Li, Zhijian Jiang, Yunchao Wu, Xiaoping Huang*. Nitrogen enrichment decreases seagrass contributions to refractory organic matter pools. Limnology & Oceanography, 2024, 69, 367-379.

(8) Songlin Liu, Jiening Liang, Zhijian Jiang, Jinlong Li, Yunchao Wu, Yang Fang, Yuzheng Ren, Xia Zhang, Xiaoping Huang*, Peter I. Macreadie. Temporal and spatial variations of air-sea CO2 fluxes and their key influence factors in seagrass meadows of Hainan Island, South China Sea. Science of the Total Environment, 2024, 910, 168684.

(9) Songlin Liu, Hongxue Luo, Zhijian Jiang, Yuzheng Ren, Xia Zhang, Yunchao Wu, Xiaoping Huang*, Peter I. Macreadie. Nutrient loading weakens seagrass blue carbon potential by stimulating seagrass detritus carbon emission. Ecological Indicators, 2023, 157, 111251.

(10) Songlin Liu+, Yuzheng Ren+, Zhijian Jiang, Hongxue Luo, Xia Zhang, Yunchao Wu, Jiening Liang, Xiaoping Huang*, Peter I. Macreadie. Changes in surface sediment carbon compositions in response to tropical seagrass meadow restoration. Science of the Total Environment, 2023, 903, 166565.

(11) Songlin Liu, Zhijian Jiang, Yunchao Wu, Xia Zhang, Xiaoping Huang*. Combined effects of temperature and burial on seed germination and seedling growth rates of the tropical seagrass Enhalus acoroides. Journal of Experimental Marine Biology and Ecology, 2023, 562, 151881.

(12) Songlin Liu, Stacey M. Trevathan-Tackett, Zhijian Jiang, Lijun Cui, Yunchao Wu, Xia Zhang, Jinlong Li, Hongxue Luo, Xiaoping Huang*. Nutrient loading decreases blue carbon by mediating fungi activities within seagrass meadows. Environmental Research, 2022, 212, 113280.

(13) Songlin Liu*+, Stacey M. Trevathan-Tackett+, Carolyn J. Ewers Lewis, Xiaoping Huang*, Peter I. Macredie. Macroalgal blooms trigger the breakdown of seagrass blue carbon. Environmental Science & Technology, 2020, 54, 14750-14760.

(14) Songlin Liu, Yiqin Deng, Zhijian Jiang, Yunchao, Wu, Xiaoping Huang*, Peter I. Macreadie. Nutrient loading diminishes the dissolved organic carbon drawdown capacity of seagrass ecosystems. Science of the Total Environment, 2020, 740, 140185.

(15) Chunyu Zhao, Songlin Liu*, Zhijian Jiang, Yunchao Wu, Lijun Cui, Xiaoping Huang*, Peter I. Macreadie. Nitrogen purification potential limited by nitrite reduction process in coastal eutrophic wetlands. Science of the Total Environment, 2019, 694: 133702.

(16) Songlin Liu, Zhijian Jiang, Yunchao Wu, Yiqin Deng, Qiming Chen, Chunyu Zhao, Lijun Cui, Xiaoping Huang*. Macroalgae bloom decay decreases the sediment organic carbon sequestration potential in tropical seagrass meadows of the South China Sea. Marine Pollution Bulletin, 2019, 138: 598-603.

(17) Songlin Liu*, Stacey M. Trevathan-Tackett, Carolyn J. Ewers Lewis, Quinn R. Ollivier, Zhijian Jiang, Xiaoping Huang*, Peter I. Macreadie. Beach-cast seagrass wrack contributes substantially to global greenhouse gas emissions. Journal of Environmental Management, 2019, 231: 329-335.

(18) Songlin Liu+, Zhijian Jiang+, Chenyuan Zhou, Yunchao Wu, Iman Arbi, Jingping Zhang, Xiaoping Huang*, Stacey M. Trevathan-Tackett. Leaching of dissolved organic matter from seagrass leaf litter and its biogeochemical implications. Acta Oceanologica Sinica, 2018, 37(8): 84-90.

(19) Songlin Liu+, Zhijian Jiang+, Yiqin Deng, Yunchao Wu, Jingping Zhang, Chunyu Zhao, Delian Huang, Xiaoping Huang*, Stacey M Trevathan-Tackett. Effects of nutrient loading on sediment bacterial and pathogen communities within seagrass meadows. MicrobiologyOpen, 2018, e600.

(20) Zhijian Jiang+, Songlin Liu+, Jingping Zhang, Yunchao Wu, Chunyu Zhao, Zhonglian Lian, Xiaoping Huang*. Eutrophication indirectly reduced carbon sequestration in a tropical seagrass bed. Plant and Soil, 2018, 426(1-2): 135-152.

(21) Songlin Liu, Zhijian Jiang, Yiqin Deng, Yunchao Wu, Chunyu Zhao, Jingping Zhang, Yuan Shen, Xiaoping Huang*. Effects of seagrass leaf litter decomposition on sediment organic carbon composition and the key transformation processes. SCIENCE CHINA-Earth Sciences, 2017, 60(12): 2108~2117.

(22) Zhijian Jiang+, Songlin Liu+, Jingping Zhang, Chunyu Zhao, Yuchao Wu, Shuo Yu, Xia Zhang, Chi Huang, Xiaoping Huang*. Newly discovered seagrass beds and their potential for blue carbon in the coastal seas of Hainan Island, South China Sea. Marine Pollution Bulletin, 2017, 125: 513-521.

(23) Songlin Liu, Zhijian Jiang, Jingping Zhang, Yunchao Wu, Xiaoping Huang*, Peter Ian Macreadie. Sediment microbes mediate the impact of nutrient loading on blue carbon sequestration by mixed seagrass meadows. Science of the Total Environment, 2017, 599-600: 1479-1484.

(24) Songlin Liu, Zhijian Jiang, Yunchao Wu, Jingping Zhang, Iman Arbi, Feng Ye, Xiaoping Huang*, Peter Ian Macreadie. Effects of nutrient load on microbial activities within a seagrass-dominated ecosystem: implications of changes in seagrass blue carbon. Marine Pollution Bulletin, 2017, 117: 214-221.

(25) Songlin Liu, Zhijian Jiang, Jingping Zhang, Yunchao Wu, Zhonglian Lian, Xiaoping Huang*. Effect of nutrient enrichment on the source and composition of sediment organic carbon in tropical seagrass beds in the South China Sea. Marine Pollution Bulletin, 2016, 110: 274-280.