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Alex Appiah Mensah

Alex Appiah Mensah
I am a doctoral student in the Department of Forest Resource Management at the Swedish University of Agricultural Sciences (SLU - Umeå). My research involves growth trends and site productivity estimation of boreal forests in a changing climate. In this regard, I work mostly with sample-based national forest inventory, long-term experiments and remote sensing data. The methods used are largely focused on design-based and model-based inferences.


My research involves:

1. Growth trends and climate relationships

2. Potential yield capacity estimation from the site index of planted forest tree species.

3. Leaf area index modelling in a heterogeneous forest ecosystem.

4. Long-term effects of future climate conditions and management on forest growth. 

Environmental analysis

I am involved in SLU's environmental monitoring and assessment programmes related to carbon and biomass dynamics, as well as forest growth. 


I have a background in forest resource management from Ghana during my bachelor studies and from Europe during my studies in the Sustainable Forest and Nature Management programme.


I am involved currently in an MSc thesis on the estimation of the time for first thinning in Scots pine stands using repeated airborne laser scanning data.

Selected publications

Appiah Mensah, A., Holmström, E., Petersson, H., Nyström, K., Mason, E. G., & Nilsson, U. (2021). The millennium shift: Investigating the relationship between environment and growth trends of Norway spruce and Scots pine in northern Europe. Forest Ecology and Management, 481, 118727.

Appiah Mensah, A., Petersson, H., Saarela, S., Goude, M., & Holmström, E. (2020). Using heterogeneity indices to adjust basal area – Leaf area index relationship in managed coniferous stands. Forest Ecology and Management, 458, 117699. 

Saarela, S., Wästlund, A., Holmström, E., Appiah Mensah. A., Holm, S., Nilsson, M., . . . Ståhl, G. (2020). Mapping aboveground biomass and its prediction uncertainty using LiDAR and field data, accounting for tree-level allometric and LiDAR model errors. Forest Ecosystems, 7(1), 43. https://doi:10.1186/s40663-020-00245-0

Appiah Mensah, A., Akoto Sarfo, D., and Partey, S.T. (2019). Assessment of vegetation dynamics using remote sensing and GIS: A case of Bosomtwe Range Forest Reserve, Ghana. The Egyptian Journal of Remote Sensing and Space Sciences, 22(145-154).

Daniel S. Akoto, Manfred Denich, Samuel T. Partey, Oliver Frith, Michael Kwaku, Alex Appiah Mensah and Christian Borgemeister. Socioeconomic Indicators of Bamboo Use for Agroforestry Development in the Dry Semi-Deciduous Forest Zone of Ghana. Sustainability 2018, 10(7), 2324.

S. D. Akoto, R. Obour, Appiah Mensah, A, and A. P. Frimpong. (2017). Bamboo use for the housing industry in Ghana: Urban Stakeholders’ Perception. Journal of Energy and Natural Resource Management (JENRM), 3(3).

Akoto, S.D., Afrifa, A.B., Appiah Mensah, A. and J., Biney. (2017). Market Survey of Non-Timber Forest Products in the Sunyani Municipality. Journal of Energy and Natural Resource Management (JENRM), 3(2).

Akoto, S.D., Abebrese, I.K., Partey, S.T., and Appiah Mensah, A. (2016). Earthen Storage Influence on Sprouting of Terminalia ivorensis (A. Chev) Stem Cuttings. Journal of Natural Sciences Research, ISSN 2224-3186 (Paper) and ISSN 2225-0921 (Online), Vol. 6, No. 10.  

Akoto, S.D., Otoo, D., Appiah Mensah, A., and A.F., Ayisah. (2016). Allometric Modelling of Tectona grandis for Diameter at Breast Height and Crown Collar Diameter Estimations in the Dry Semi-Deciduous Forest Zone of Ghana. Journal of Natural Sciences Research, ISSN 2224-3186 (Paper) and ISSN 2225-0921 (Online), Vol. 6, No. 18. 

Akoto, S.D., Appiah Mensah, A., Appiah, D.D., 2016. Vegetative propagation of Rambutan (Nephelium lappaceum) by marcotting: effect of indole-3-butyric acid concentration. International Journal of Advanced Biological and Biomedical Research, 5(1), 286-294.


Researcher at the Department of Forest Resource Management; Division of Forest Resource Analysis
Telephone: +46907868298
Postal address:
Institutionen för skoglig resurshushållning
Avdelningen för skoglig resursanalys
901 83 Umeå
Visiting address: Skogsmarksgränd, Umeå