2009 BSc. in Biology (First class honor), Chulalongkorn University, Thailand

2012 MSc. in Biodiversity and Taxonomy of Plants, University of Edinburgh, UK

2016 Ph.D. in Plant Sciences (Tropical Forest Ecology), University of Cambridge, UK

2017-present Lecturer at Department of Botany, Chulalongkorn University, Thailand

Undergraduate study

• Plant Root Ecology

• Biostatistics Laboratory

• Scientific Illustration

Graduate study

• Plant Geography

• Tropical Forest Ecology

• Forest Ecosystem and Carbon Balance

• Current Topics in Plant Ecology

• Hongwiset, S., Rodtassana, C., Poungparn, S., Umnouysin, S., & Komiyama, A. 2021. Spatiotemporal heterogeneity of mangrove root sphere under a tropical monsoon climate in eastern Thailand. Forests 12: 966. https://doi.org/10.3390/f12080966.

• Kankong, P., Poungparn, S., Komiyama, A., Rodtassana, C., & Pravinvongvuth, T. 2021. Leaf phenology and trunk growth of Avicennia alba (Blume) under a seasonally fluctuating saline environment in the tropical monsoon area of eastern Thailand. Ecological Research 36: 854-865. https://doi.org/10.1111/1440-1703.12251.

• Poungparn, S., Komiyama, A., Umnouysin, S., Rodtassana, C., Sangtiean, T., Maknual, C., Pravinvongvuthi, T., Suchewaboripont, V., & Kato, S. 2020. Ten-year estimation of net primary productivity in a mangrove forest under a tropical monsoon climate in eastern Thailand: Significance of the temperature environment in the dry season. Forests 11: 987. https://doi.org/10.3390/f11090987.

• Tor-ngern, P., Chart-asa, C., Chanthorn, W., Rodtassana, C., Yampum, S., Unawong, W., Nathalang, A., Brockelman, W., Srinoppawan, K., Chen, Y., and Hasselquist, N. 2021. Variation of leaf-level gas exchange rates and leaf functional traits of dominant trees across three successional stages in a Southeast Asian tropical forest. Forest Ecology and Management 489: 119101. https://doi.org/10.1016/j.foreco.2021.119101.

• Komiyama, A., Poungparn, S., Umnouysin, S., Rodtassana, C., Pravinvongvuthi, T., Noda, T., & Kato, S. 2020. Daily inundation induced seasonal variation in the vertical distribution of soil water salinity in an estuarine mangrove forest under a tropical monsoon climate. Ecological Research 35: 638-649. https://doi.org/10.1111/1440-1703.12118

• Sayer, E.J., Rodtassana, C., Sheldrake, M., Bréchet, L.M., Ashford, O.S., Lopez-Sangil, L., Kerdraon-Byrne, D., Castro, B., Turner, B.L., Wright, J.S., and Tanner, E.V.J. 2020. Revisiting nutrient cycling by litterfall-insights from 15 years of litter manipulation in old-growth lowland tropical forest. Tropical Ecosystem in the 21^st Century. Advances in Ecological Research. 62. 173-223.

• Sayer, E.J., Lopez-Sangil, L., Crawford, J.A., Bréchet, L.M., Birkett, A.J., Baxendale, C., Castro, B., Rodtassana, C., Garnett, M., Weiss, L. & Schmidt, M.W.I. 2019. Tropical forest soil carbon stocks do not increase despite 15 years of doubled litter inputs. Scientific Report 9, 18030. DOI: 10.1038/s41598-019-54487-2.

• Komiyama, A. Poungparn, S., Umnouysin, S., Rodtassana, C., Pravinvongvuthi, T., Noda, T. & Kato, S. 2019. Occurrence of seasonal water replacement in mangrove soil and the trunk growth response of Avicennia alba related to salinity changes in a tropical monsoon climate. Ecological Research 34: 428-439. https://doi.org/10.1111/1440-1703.12005.

• Rodtassana, C. & Tanner, E.V.J. 2018. Litter removal in a tropical rain forest reduces fine root biomass and production but litter addition has few effects. Ecology 99: 735-742. https://doi.org/10.1002/ecy.2143

• Samosorn, S., Sangtiean, T., Rodtassana, C. & Poungparn, S. 2018. Roles of aboveground roots facilitating sedimentation and elevation change in a mangrove forest behind bamboo seawalls. Songklanakarin Journal of Science and Technology 40(6): 1315-1323.

• Rodtassana, C. & Poungparn, S. 2012. Quantitative analysis of the root system of Avicennia alba based on the pipe model theory. ScienceAsia 38: 414-418. 10.2306/scienceasia1513-1874.2012.38.414