AP08957443 – Scientific rationale for the selection of hyperaccumulator plants for phytoremediation of soils contaminated with heavy metals in Almaty
Relevance: The project is aimed at studying hyperaccumulator plants for phytoremediation of soils contaminated with heavy metals in Almaty. Within the framework of the project, in order to ecologize megacities, scientific work will be carried out on the selection of plants - hyperaccumulators for phytoremediation of soils contaminated with heavy metals in Almaty, improvement of its ecological state. This task is relevant, because for Kazakhstan, the implementation of the basic law in the field of environmental protection (Environmental Code of the Republic of Kazakhstan, 09.01.2007) and, in particular, the protection and restoration of land resources (Land Code of the Republic of Kazakhstan, 06.20.2003) is paramount.
Objective of the project: To develop a scientifically substantiated selection of effective hyperaccumulator plants for phytoremediation of soils contaminated with heavy metals in Almaty.
Scientific adviser: Doctor of Biological Sciences, Assistant professor, Yelikbayev Bakhytzhan
Results obtained:This study analyzed soils of Almaty city for heavy metal content using standard methods and revealed an exceedance of zinc concentration along Raimbek Avenue. The soils were classified as light and medium loams, which influence the accumulation and mobility of elements. A total of 12 plant species were investigated, of which 4 demonstrated significant hyperaccumulation capacity. It was found that plants from the Lamiaceae family effectively accumulate cobalt, Tagetes patula nana accumulates lead, while Brassica napus and Phaseolus acutifolius accumulate cadmium. Additionally, Echinacea purpurea and Brassica napus exhibit dual phytoremediation properties. The obtained results support the use of these plants for remediation of contaminated soils in Almaty and other industrial regions. The study highlights an environmentally friendly and cost-effective green technology for soil purification.
List of publications with links to them
- Yelikbayev B.K., Pagano M.C., Jamalova G.A. Hyperaccumulator plants for phytoremediation of soil contaminated with heavy metals // Bulletin of the National Academy of Sciences of the Republic of Kazakhstan (Вестник НАН РК). – 2020. – Vol. 5, No. 387. – P. 34–40. – ISSN 1991-3494. – DOI: https://doi.org/10.32014/2020.2518-1467.140.