Department of Geography and Resource Management (GRM), The Chinese University of Hong Kong

Prof. LAI Yuk Fo, Derrick

Faculty Member

Prof. LAI Yuk Fo, Derrick

Associate Professor

BSSc, MPhil (CUHK)
PhD (McGill)
MISoilSci

(852) 3943-6528

dyflai@cuhk.edu.hk

RESEARCH PROJECTS

Are Tree Stems Significant Methane Sources in the Subtropical Estuarine Mangrove?, Principal Investigator, General Research Fund, Research Grants Council of Hong Kong, 01/01/2022-31/12/2024, HK$ 1,175,632

Effects of Experimental Litterfall and Throughfall Manipulations on Soil Greenhouse Gas Exchange in a Subtropical Secondary Forest, Principal Investigator, General Research Fund, Research Grants Council of Hong Kong, 01/2016-12/2018, HK$ 706,972

Soil Respiration in a Subtropical Secondary Forest in Hong Kong: Temporal Variations and the Effects of Climate Change, Principal Investigator, General Research Fund, Research Grants Council of Hong Kong, 01/2015-12/2017, HK$ 680,683

Biosphere-Atmosphere Exchange of Greenhouse Gases in a Subtropical Mangrove Wetland in Hong Kong, Principal Investigator, Early Career Scheme, Research Grants Council of Hong Kong, 01/2014-12/2017, HK$ 1,749,000

A Comparison of Carbon Storage in Coastal Wetland Soils Between Hong Kong and Germany, Principal Investigator, Germany/Hong Kong Joint Research Scheme 2013/14, Research Grants Council of Hong Kong and Germany Academic Exchange Service (DAAD), 01/2014-12/2015, HK$ 89,600

SELECTED PUBLICATIONS

Please see my Google Scholar profile for the full list of publications.

Liu, J., Valach, A., Baldocchi, D., & Lai, D.Y.F. (2022). Biophysical controls of ecosystem-scale methane fluxes from a subtropical estuarine mangrove: Multiscale, nonlinearity, asynchrony and causality. Global Biogeochemical Cycles, 36(6), e2021GB007179, doi: 10.1029/2021GB007179.

Zhou, T., Liu, J., Lie, Z., & Lai, D.Y.F. (2022). Effects of applying different carbon substrates on nutrient removal and greenhouse gas emissions by constructed wetlands treating carbon-depleted hydroponic wastewater. Bioresource Technology, 357, 127312, doi: 10.1016/j.biortech.2022.127312.

Cui, J., Lam, S.K., Xu, S., & Lai, D.Y.F. (2022). The response of soil-atmosphere greenhouse gas exchange to changing plant litter inputs in terrestrial forest ecosystems. Science of the Total Environment, 838, 155995, doi: 10.1016/j.scitotenv.2022.155995.

Cui, J., Glatzel, S., Bruckman, V.J., Wang, B., & Lai, D.Y.F. (2021). Long-term effects of biochar application on greenhouse gas production and microbial community in temperate forest soils under increasing temperature. Science of the Total Environment, 767, 145021, doi: 10.1016/j.scitotenv.2021.145021.

Law, M.M.S., & Lai, D.Y.F. (2021). Impacts of wetting-drying cycles on short-term carbon and nitrogen dynamics in Amynthas earthworm casts. Pedosphere, 31(3), 423-432, doi: 10.1016/S1002-0160(20)60081-9.

Yang, P., Huang, J., Tan, L., Tong, C., Jin, B., Hu, B., Gao, C., Yuan, J., Lai, D.Y.F., & Yang, H. (2021). Large variations in indirect N2O emission factors (EF5) from coastal aquaculture systems in China from plot to regional scales. Water Research, 200, 117208, doi: 1016/j.watres.2021.117208.

Lee, C.H.Y., Tang, A.M.C., Lai, D.Y.F., Tai, A.P.K., Leung, A.S.L., Tao, D.K.C., Leung, F., Leung, S.S.M., Wu, C., Tong, S.C.S., & Ng, K.T.K. (2021). Problems and management of Acacia-dominated urban forests on man-made slopes in a subtropical, high-density city. Forests, 12(3), 323, doi: 10.3390/f12030323.

Yang, P., Yang, H., Sardans, J., Tong, C., Zhao, G., Peñuelas, J., Li, L., Zhang, Y., Tan, L., Chun, K.P., & Lai, D.Y.F. (2020). Large spatial variations in diffusive CH4 fluxes from a subtropical coastal reservoir affected by sewage discharge in southeast China. Environmental Science & Technology, 54(22), 14192-14203, doi: 10.1021/acs.est.0c03431.

Liu, J., Zhou, Y., Valach, A., Shortt, R., Kasak, K., Rey-Sanchez, C., Hemes, K.S., Baldocchi, D., & Lai, D.Y.F. (2020). Methane emissions reduce the radiative cooling effect of a subtropical estuarine mangrove wetland by half. Global Change Biology, 26(9), 4998-5016, doi: 1111/gcb.15247.

Jiang, Z.-Y., Hu, Z.-M., Lai, D.Y.F., Han, D.-R., Wang, M., Liu, M., Zhang, M., & Guo, M.-Y. (2020). Light grazing facilitates carbon accumulation in subsoil in Chinese grasslands: A meta-analysis. Global Change Biology, 26(12), 7186-7197, doi: 10.1111/gcb.15326.

Liu, J., & Lai, D.Y.F. (2019). Subtropical mangrove wetland is a stronger carbon dioxide sink in the dry than wet seasons. Agricultural and Forest Meteorology, 278, 107644, doi: 1016/ j.agrformet.2019.107644.

Liu, J., Hartmann, S.C., Keppler, F., & Lai, D.Y.F. (2019). Simultaneous abiotic production of greenhouse gases (CO2, CH4, and N2O) in subtropical soils. Journal of Geophysical Research: Biogeosciences, 124(7), 1977-1987, doi: 10.1029/2019JG005154.

Yang, P., Lai, D.Y.F., Yang, H., Tong, C., Lebel, L., Huang, J., & Xu, J. (2019). Methane dynamics of aquaculture shrimp ponds in two subtropical estuaries, Southeast China: Dissolved concentration, net sediment release, and water oxidation. Journal of Geophysical Research: Biogeosciences, 124(6), 1430-1445, doi: 1029/2018JG004794.

Comeau, L.-P., Lai, D.Y.F., Cui, J.J., & Farmer, J. (2018). Separation of soil respiration: a site-specific comparison of partition methods. SOIL, 4, 141-152, doi: 5194/soil-4-141-2018.

Teaching Fields

  • Global Change and Ecosystem Ecology
  • Soil Science
  • Physical Geography

Research interests

  • Carbon Cycling in Terrestrial and Wetland Ecosystems
  • Urban Ecology and Biogeochemistry
  • Ecosystem Restoration and Management
  • Soils and the Environment
  • Sustainable Agriculture

Services/ Posts

  • Director, Physical Geography Experimental Station, GRM
  • Director, Center for Environmental Policy and Resource Management, The Chinese University of Hong Kong
  • Chair, Research Committee, GRM
  • Overseas Trip Coordinator, GRM
  • Chair, Campus Environment Committee, Chung Chi College
  • Associate Editor, Mires and Peat
  • Associate Editor, Frontiers in Soil Science
  • Member, Editorial Board, Biogeoscience Section, Frontiers in Earth Science
  • Member, World Wide Fund for Nature Hong Kong (WWF-HK) Mai Po Management Committee
  • Member, Hong Kong Diploma of Secondary Education (HKDSE) Geography Subject Committee
  • Vice Secretary-General, The Greater China Environment, Resources and Ecological Conservation Society

SUGGESTED RESEARCH TOPICS FOR POSTGRADUATE STUDENTS

Carbon cycling in wetland and terrestrial ecosystems

Biogeochemical cycling & ecosystem services in urban environments

Impacts of climate change and human activities on ecosystem carbon and nutrient dynamics