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Major publications：

• 1. Kelvin Githaiga, Samwel Njuguna, Janet Onyango&Xue Yan^*.2022. Assessing ecological risks and probable sources of Cu, Zn, and Mn in River Tana sediments, Kenya. Soil and Sediment Contamination: An International Journal.https://doi.org/10.1080/15320383.2021.2016604.
  
  2. Ya-Dong Zhou,Ke-Yan Xiao,Si-Chong Chen,Xing Liu,Qing-Feng Wang^*,Xue Yan^*. 2021. Altitudinal diversity of aquatic plants in the Qinghai-Tibet Plateau. Freshwater Biology.https://doi.org/10.1111/fwb.13875.
  
  3. CanDai, YanbingGong, FanLiu, PengchengFu,ShengweiWang, JianxinOuyang,LiuhuaZhang,YadongZhou,XueYan,XingLiu, TaoWan,QingfengWang^*. 2021. Touch induces rapid floral closure in gentians.Science Bulletin. DOI: 10.1016/j.scib.2021.12.026.
  
  4. Owino,Anita;Okundi,Jeffrey;Yan, Xue,Wang, Qing-Feng. 2021. Effect of enriched CO₂ atmosphere on morphological and chemical characteristics of Alternanthera philoxeroides.Acta Oecologica, 112: 103761. DOI: 10.1016/j.actao.2021.103761
  
  5. Kelvin Babu Githaiga, Samwel Maina Njuguna, Robert Wahiti Gituru, Xue Yan^*. 2021. Water quality assessment, multivariate analysis and human health risks of heavy metals in eight major lakes in Kenya. Journal of Environmental Management. 297. https://doi.org/10.1016/j.jenvman.2021.113410.
  
  6. Kelvin Babu Githaiga, Samwel Maina Njuguna, Robert Wahiti Gituru, Xue Yan^*. 2021. Assessing heavy metal contamination in soils using improved weighted index (IWI) and their associated human health risks in urban, wetland, and agricultural soils. Environmental Science and Pollution Research.https://doi.org/10.1007/s11356-021-15404-1
  
  7. Kelvin Babu Githaiga, Samwel Maina Njuguna, Xue Yan^*. 2021. Local Geochemical Baselines Reduce Variation Caused by the Use of Different Conservative Elements in Predicting Cu and Zn Enrichment in Agricultural Soils, Kenya. Chemistry Africa. https://doi.org/10.1007/s42250-021-00256-6
  
  8. Samwel Maina Njuguna, Kelvin Babu Githaiga, Janet Atieno Onyango, Robert Wahiti Gituru,Xue Yan^*. 2021. Ecological and health risk assessment of potentially toxic elements in Ewaso Nyiro River surface water, Kenya. SN Applied Sciences. 3:148, doi.org/10.1007/s42452-020-04067-1
  
  9. Janet Onyango, Kelvin Babu, Samwel Njuguna, Wycliffe Wanzala, Xue Yan^*. 2020 Harnessing the potential of common water hyacinth as an industrial raw material for the production of quality biofuel briquettes. SN Applied Sciences. 2:1316. DOI:10.1007/s42452-020-3109-1
  
  10. Kelvin Babu Githaiga, Samwel Maina Njuguna, Victorine Anyango Makokha, Jun Wang, Robert Wahiti Gituru, Xue Yan^*. 2020. Assessment of Cu, Zn, Mn, and Fe enrichment in Mt. Kenya soils: evidence for atmospheric deposition and contamination. Environmental Monitoring and Assessment. 192(3). DOI: 10.1007/s10661-020-8123-7.
  
  11. Samwel Maina Njuguna, Janet Atieno Onyango, Kelvin Babu Githaiga, Robert Wahiti Gituru, Xue Yan^*. 2020. Application of multivariate statistical analysis and water quality index in health risk assessment by domestic use of river water. Case study of Tana River in Kenya. Process Safety and Environmental Protection. 133 149–158.DOI: 10.1016/j.psep.2019.11.006
  
  12. Samwel Maina Njuguna, Victorine Anyango Makokha, Xue Yan^*, Robert Wahiti Giturud, Qingfeng Wang, Jun Wang. 2019. Health risk assessment by consumption of vegetables irrigated with reclaimed waste water: A case study in Thika (Kenya). Journal of Environmental Management. 231:576-581.DOI: 10.1016/j.jenvman.2018.10.088
  
  13. Yadong Zhou, Sichong Chen, Guangwan Hu, Geofrey Mwachala, Xue Yan^*, Qingfeng Wang^*, 2018. Species richness and phylogenetic diversity of seed plants across vegetation zones of Mount Kenya, East Africa. Ecology and Evolution,8(17). DOI:10. 1002/ece3.4428.
  
  14. Niguse Bekele Dirbaba, Sen Li, Hongjuan Wu*, Xue Yan*, Jun Wang*.2018. Organochlorine pesticides, polybrominateddiphenyl ethers and polychlorinatedbiphenyls in surficial sediments of the AwashRiver Basin, Ethiopia. PLOS ONE,13(10). DOI:10.1371/journal.pone.0205026.
  
  15. Ababo Workineh Tadesse,Tekleweini Gereslassie, Xue Yan^*,Jun Wang^*. 2018.Determination of Heavy Metal Concentrations and Their Potential Sources in Selected Plants: Xanthium strumarium L. (Asteraceae), Ficus exasperata Vahl (Moraceae), Persicaria attenuata (R.Br) Sojak (Polygonaceae), and Kanahia laniflora (Forssk.) R.Br. (Asclepiadaceae) from Awash River Basin, Ethiopia. Biological Trace Element Research.191(2). DOI.10.1007/s12011-018-1588-3.
  
  16. Victorine Anyango Makokha, Anne Wairimu Ndung’u, Teresiah Muciku Mungai, Xue Yan^*, Jun Wang^*.2018. Concentrations, Sources, and Risk Assessment of Organohalogen Compounds in Soils from Kiambu to Mombasa, Kenya. Bulletin of Environmental Contamination and Toxicology. 101,766–772. DOI: 10.1007/s00128-018-2470-x.
  
  17. Njuguna SM, Yan X^*, Gituru RW, Wang Q, Wang J. 2017. Assessment of macrophyte, heavy metal, and nutrient concentrations in the water of the Nairobi River, Kenya.Environmental Monitoring and Assessment.189(9):454-467. DOI: 10.1007/s10661-017-6159-0.
  
  18. Ling Yun Chen, John K. Muchuku, Xue Yan, Guangwan Hu, Qingfeng Wang. 2015. Phylogeography of Haplocarpha rueppelii (Asteraceae) suggests a potential geographic barrier for plant dispersal and gene flow in East Africa. ChineseScience Bulletin. 60(13), 1184-1192.DOI: 10.1007/s11434-015-0832-x
  
  19. Xue Yan, Haowen Wang, Qingfeng Wang, Lars G. Rudstam. 2013. Risk spreading, habitat selection and division of biomass in a submerged clonal plant: Responses to heterogeneous copper pollution. Environmental Pollution. 174: 114-120
  
  20. Yan Gao, Xue Yan^*. 2012. Response of Chara globularis and Hydrodictyon reticulatum to lead pollution: their survival, bioaccumulation and defenses. Journal of Applied Phycology. 24:245-251.
  
  21. Xue Yan, Dan Yu, Heyun Wang, Jinwang Wang. 2006. Response of submerged plant (Vallisneria spinulosa) clones to lead stress in the heterogenous soil. Chemosphere, 63: 1459-1465.
  
  22. Xue Yan, Dan Yu, Yong-Ke Li. 2006. The effects of elevated CO2 on clonal growth and nutrient content of submerge plant Vallisenria spinulosa. Chemosphere, 62: 595-601.
  
  23. L. Zhang, X.Yan^*. 2003. Effect of cadmium on root exudes of wheat (Triticum aestivm L.) under different cultures media. Bulletin of Environmental Contamination and Toxicology, 71: 698-705.
  
  24. X. Yan, S. Guoxing, D. Yu. 2002, Effect of N,N-Dimethyl formamide used as organic solvent on two species of green algae chlorella. Bulletin of Environmental Contamination and Toxicology, 68: 592-599.