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About Us

Dr. HAU, Billy Chi Hang

Dr. HAU, Billy Chi Hang

Principal Lecturer, School of Biological Sciences, School of Biological Sciences, Faculty of Science, HKU

BSc; MSc; PhD(HKU)

  • 3917 3609
  • 2858 3477
  • KBSB 3N20

Teaching Areas

  • Terrestrial ecology
  • Conservation biology
  • Ecological restoration
  • Biodiversity assessment
  • Urban biodiversity
  • Urban tree management
  • Overseas ecology field trips
  • Environmental impact assessment
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A student ecology field trip to Madagascar

 

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A student ecology field trip to Kenya

Research Interests

  • Terrestrial ecology
  • Forest ecology
  • Ecological restoration
  • Urban tree management
  • Biodiversity assessment
  • Environmental impact assessment

Current Research 

  • Agricultural biodiversity
  • Ecological restoration on man-made and natural slopes
  • Urban tree management
  • Rural sustainability
  • Urban biodiversity
  • A 20 ha ForestGEO plot in Tai Po Kau Nature Reserve (https://forestgeo.si.edu/)
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Tree survey in a 20 ha Forest GEO plot in Tai Po Kau Reserve

 

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A recent research using smart sensor technology in monitoring tree root rotation and predicting tree failure

 

Research Team

  • Dr. Pang Chun Chiu (Postdoc Fellow)
  • Miss Sharne McMillan (PhD student)
  • Mr. So Ying Kin (PhD student)
  • Mr. Lin Hongjie (PhD student)
  • Mr. Shum Ting Wing (Senior Research Assistant)
  • Miss Law Ying Ki (Research Assistant)
  • Miss Mak Hoi Wan (Research Assistant)

Publications and News

Recent peer reviewed papers:

  • Chengjin Chu, C., Lutz, J.A. …Hau, B.C.H. … Accepted. Direct and indirect effects of climate on richness drive the latitudinal diversity gradient in forest trees. Ecology Letters.
  • Pang, C.C., Lo, W.F., Yan, R.W.M. and Hau, B.C.H. Accepted. Plant community composition on landfill sites after multiple years of ecological restoration. Landscape Research.
  • Pang, C.C., Ma, X.K.K., Lo, J.P.L., Hung, T.T.H. and Hau, B.C.H. 2018. Vegetation succession on landslides in Hong Kong: plant regeneration, survivorship and constraints to restoration. Global Ecology and Conservation 15: e00428. https://doi.org/10.1016/j.gecco.2018.e00428  
  • Ho, G.W.C. and Hau, B.C.H. 2018. The natural history of Chinese Grassbabbler Graminicola striatus, with special reference to Hong Kong. BirdingAsia 29: 21-27.
  • Hau, B.C.H., Lau, J.C.F. and Leung, C.S.C. 2018. A Site Trial of Planting Native Trees on a Soil Cement Fill Slope in Hong Kong. Pp. 52-61 in Proceedings of the 38th Annual Seminar, Geotechnical Division, Geotechnical Engineering for Infrastructure Development, 18 May 2018, The Hong Kong Institution of Engineers. http://mobile.hkieged.org/download/as/AS2018.pdf  
  • Xu, Q., Chen, J., Peart, M.R., Ng, C.N., Hau, B.C.H. and Law, W.W.Y. 2018. Exploration of severities of rainfall and runoff extremes in ungauged catchments: A case study of Lai Chi Wo in Hong Kong, China. Science of the Total Environment 634:640-649.
  • https://doi.org/10.1016/j.scitotenv.2018.04.024
  • Lutz, J.A., Furniss, T.J….Hau, B.C.H. …. 2018. Global importance of large-diameter trees. Global Ecology and Biogeography 2018:1-16. doi: 10.1111/geb.12747
  • Leung, F.T.Y., Yan, W.M., Hau, B.C.H. and Tham, L.G. 2018. Mechanical pull-out capacity and root reinforcement of four native tree and shrub species on ecological rehabilitation of roadside slopes in Hong Kong. Journal of Tropical Forest Science 30(1): 25-38.
  • doi: 10.26525/jtfs2018.30.1.2538
  • Pang, C.C., Ma, X.K.K., Hung, T.T.H and Hau, B.C.H. 2018. Early ecological succession on landslide trails, Hong Kong, China. EcoScience. doi: 10.1080/11956860.2018.1431377
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