Publications

Scientific articles, academic theses, dissertations, research reports and other peer-reviewed research outputs will be available from here.

SCIENTIFIC ARTICLES

Zhu Y, Butterbach-Bahl K, Merbold L, Oduor CO, Gakige JK, Mwangi P, Leitner S (2024) Greenhouse gas emissions from sheep excreta deposited onto tropical  pastures in Kenya. Agriculture, Ecosystems and Environment.  https://doi.org/10.1016/j.agee.2023.108724 

Ocholla, I., Pellikka, P.,Karanja, F., Vuorinne, I., Odipo, V,. Heiskanen, J. (2024) Livestock detection in African rangelands: Potential of high-resolution remote sensing data. Remote Sensing Applications: Society and Environment, 33, 2024, 101139, https://doi.org/10.1016/j.rsase.2024.101139 

Abera, T.A.,  Heiskanen, J., Maeda, E.,Odongo, V., Pellikka, P. (2023). Impacts of land cover and management change on top-of-canopy and below-canopy temperatures in Southeastern Kenya, Science of The Total Environment,874,https://doi.org/10.1016/j.scitotenv.2023.162560 

Abera, T.A., Heiskanen, J., Johansson, T., Mwamodenyi, J. & Pellikka, P.K.E. (2023). Towards tree-based systems disturbance monitoring of tropical mosaic landscape using time series ensemble learning approach. Remote Sensing of Environment. https://doi.org/10.1016/j.rse.2023.113876     

Mwangi, A. W., Kunyanga, C. N., & Onyango, C. M. (2023). Development, nutritional and microbial evaluation of cultured bovine milk supplemented with baobab fruit pulp. CyTA-Journal of Food21(1), 198-208. https://doi.org/10.1080/19476337.2023.2188060 

Mwangi, A. W., Kunyanga, C. N., & Onyango, C. M. (2023). Production, consumption, processing and marketing of the baobab fruit (Adansonia digitata L.) in Kenya. African Journal of Food Science17(2), 35-48.

Aalto, I.J., Maeda, E.E., Heiskanen, J., Aalto, E.K. & Pellikka, P.K.E. (2022). Strong influence of trees outside forest in regulating microclimate of intensively modified Afromontane landscapes. Biogeosciences 19, 4227–4247, 2022, https://doi.org/10.5194/bg-19-4227-2022

Abera, T.A., Heiskanen, J., Maeda, E.E., Hailu, B.T. & Pellikka, P.K.E. (2022). Improved detection of abrupt change in vegetation reveals dominant fractional woody cover decline in Eastern Africa. Remote Sensing of Environment 271, 112897. https://doi.org/10.1016/j.rse.2022.112897

Abera, T. A., Vuorinne, I., Munyao, M., Pellikka, P. K. E., & Heiskanen, J. (2022). Land Cover Map for Multifunctional Landscapes of Taita Taveta County, Kenya, Based on Sentinel-1 Radar, Sentinel-2 Optical, and Topoclimatic Data. Data 7(3), 36. https://doi.org/10.3390/data7030036

Amara, E., Adhikari, H., Heiskanen, J., Siljander, M., Munyao, M., Omondi, P. & Pellikka, P. (2020). Aboveground biomass distribution in a multi-use savannah landscape in southeastern Kenya: impact of land use and fences. Land 2020, 9, 381; https://doi.org/10.3390/land9100381

Tang, Z., Adhikari, H., Pellikka, P., & Heiskanen, J. (2022). Impact of Preprocessing on Tree Canopy Cover Modelling: Does Gap-Filling of Landsat Time Series Improve Modelling Accuracy? Frontiers in Remote Sensing 3, 936194. https://doi.org/10.3389/frsen.2022.936194

Wachiye, S., Pellikka, P., Rinne, J., Heiskanen, J., Abwanda, S., & Merbold, L. (2022). Effects of livestock and wildlife grazing intensity on soil carbon dioxide flux in the savanna grassland of Kenya. Agriculture, Ecosystems and Environment 325, 107713. https://doi.org/10.1016/j.agee.2021.107713

Amara, E., H. Adhikari, J. M. Mwamodenyi, P. K. E. Pellikka, and J Heiskanen (2023). Contribution of Tree Size and Species on Aboveground Biomass across Land Cover Types in the Taita Hills, Southern Kenya. Forests 14 (3): 642. https://doi.org/10.3390/f14030642

Graham, M. W., Butterbach-Bahl, K., du Toit C. J. L., Korir D., Leitner S., Merbold L., Mwape A., Ndung’u P. W., Pelster D. E., Rufino M. C., van der Weerden T., Wilkes A. &, Arndt C. (2022). Research Progress on Greenhouse Gas Emissions From Livestock in Sub-Saharan Africa Falls Short of National Inventory Ambitions. Frontiers in Soil Science 2. DOI=10.3389/fsoil.2022.927452   

DOCTORAL DISSERTATIONS

 

MASTER'S THESES

Pesonen, Linda (2024). Modelling dry season grass biomass in savanna rangelands in Kenya using imaging spectroscopy. Faculty of Science, University of Helsinki.  https://helda.helsinki.fi/server/api/core/bitstreams/faa9848e-c143-4eb8-a744-2745452a2e17/content 

Mwangi, A. W (August 2023). Development and quality evaluation of a functional food from cultured milk supplemented with baobab (Adansonia digitata l.) fruit pulp. A thesis submitted in partial fulfillment of the   requirements for the award of the degree of Master of Science in Food Science and Technology, University of Nairobi, Kenya.

Korpelainen, Taiga (2023). Spatio-temporal dynamics of grass cover in savanna rangelands in Kenya based on multi-resolution remote sensing data. Faculty of Science, University of Helsinki. https://ethesis.helsinki.fi/repository/handle/123456789/49182

Haurinen, Hanna (2023). Monitoring canopy height changes in tropical montane forests and exotic plantations in the Taita Hills, Kenya using airborne laser scanning. Faculty of Science, University of Helsinki. https://ethesis.helsinki.fi/repository/handle/123456789/49187

Mulondo, Ivan (2022). Contribution of livestock bomas to nutrient pollution and microbial fecal contamination of aquatic systems, Taita-Taveta County, Kenya. IHE Delft Institute for Water Education, Delft, the Netherlands.

Elli-Nora Kaarto (2023). Changes in agroforestry in the Taita Hills, Kenya, based on multitemporal airborne laser scanning data. Master’s Programme in Geography / Geoinformatics, University of Helsinki, Finland.  https://helda.helsinki.fi/bitstream/handle/10138/359277/kaarto_elli-nora_thesis_2023.pdf?sequence=2

Cardozo, Dahiana Rocio Gamarra (2022). Assessment of the spring resilience to drought under different landuse type in Taita Hills, Kenya. IHE Delft Institute for Water Education, Delft, the Netherlands.

Khan, Abdul Hadi Al Nafi (2022). Assessing the recharge areas and groundwater flow systems of the Taita Hill springs in Kenya. IHE Delft Institute for Water Education, Delft, the Netherlands.

Kihungu, Rose (2022). Mapping Prosopis juliflora Aboveground Biomass Using Remote Sensing in Taveta Sub-County, Kenya. Department of Geospatial and Space Technology, University of Nairobi, Kenya.

Mulondo, Ivan (2022). Contribution of livestock bomas to nutrient pollution and microbial fecal contamination of aquatic systems, Taita-Taveta County, Kenya. IHE Delft Institute for Water Education, Delft, the Netherlands.

Mwende, Bobsammy Munioki (2022). Comparative assessment of the impact of land cover change and climate variability on groundwater recharge - A remote sensing approach in Taita Hills catchment in Kenya. IHE Delft Institute for Water Education, Delft, the Netherlands.

Omuron, Oswald (2022). Greenhouse gas emissions from two prominent features of livestock managements systems: Waterpans and bomas in pastoral and agro-pastoral systems in Taita-Taveta County, Kenya. IHE Delft Institute for Water Education, Delft, the Netherlands.

Viertola, Julia (2022). Livelihood Aspirations of Maasai Women Amid Systemic Change in Pastoralism. Faculty of Science, University of Helsinki. https://helda.helsinki.fi/handle/10138/344499

OTHER PEER-REVIEWED PUBLICATIONS

CONFERENCE PROCEEDINGS

Gettel, G.M. Muhadia, C. B., Mwanake, R. M. Omuron, O., Leitner, S., Ericksen, P. & Butterbach-Bahl, K. (2022). Waterpans as hot spots for methane emissions in arid and semi-arid regions of East Africa. American Geophysical Union Conference, Chicago.

Merbold, L., Odongo, V., Dowling, T., Fava, F., Glücks, I., Vrieling, A., Wooster, M., and Leitner, S.: Continuous observations of CO2 and CH4 exchange from East-African rangelands, EGU General Assembly 2023, Vienna, Austria, 24–28 Apr 2023, EGU23-14158, https://doi.org/10.5194/egusphere-egu23-14158, 2023.

Ocholla, I., Pellikka, P., Karanja, F., Boitt, M., Väisänen, T., Vuorinne, I., Heiskanen, J. Developing livestock detection model for very high -resolution satellite imagery using aerial imagery and deep learning in Kenya, Big Data from Space 2023, Vienna, Austria, 6-9 Nov 2023, JRC135493, https://doi.org/10.2760/46796