Impact of Radiation Pollution on Ecosystems and Assessment of Ecological Risks
Özet
Radioactive contamination represents a critical global environmental challenge, as its transboundary nature poses significant long-term risks to pedological, aquatic, and biological ecosystems, alongside human health. Both natural and anthropogenic sources emit ionizing and non-ionizing radiation, potentially disrupting the fundamental structural and functional homeostasis of diverse ecosystems. While organisms have developed evolutionary adaptations to lithogenic and cosmic background radiation over millennia, artificial sources—including nuclear power generation, atmospheric weapons testing, and catastrophic accidents such as Chernobyl and Fukushima—present disproportionately higher ecological risks. Radiation induces deleterious effects on soil microbial consortia, aquatic biota, and phytological development through complex mechanisms such as cellular ionization, severe oxidative stress, and direct genomic DNA damage. These processes often culminate in genetic mutations, proteotoxicity, cell death, and oncogenesis, leading to bioaccumulation within food chains.Ecological risk assessment integrates strategic planning, exposure pathway analysis, and rigorous risk characterization, utilizing advanced physical and radiological measurements to determine radionuclide concentrations and absorbed dose rates. Furthermore, the utilization of specific plant and animal bioindicators provides an effective framework for monitoring environmental stress, while sophisticated ecosystem modeling facilitates long-term predictions of trophic shifts and population dynamics. Effective management and remediation strategies for contaminated soil and water substrates are essential for mitigating radiological hazards and ensuring environmental sustainability. Historical data from major nuclear incidents underscore persistent biodiversity loss, habitat degradation, and elevated oncogenic risks. Consequently, rigorous continuous monitoring, predictive mathematical modeling, and proactive management protocols are imperative to safeguard environmental integrity and public health against the escalating threats of radiation pollution in the modern era.
Referanslar
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Referanslar
Adetokunbo, O. (2025). Ecological impacts of radioactive pollution. Medium. Retrieved from https://medium.com/@oyinadetokunbo/ecological-impacts-of-radioactive-pollution-430fab9e3294
Agency for Toxic Substances and Disease Registry (US). (1999, September). Toxicological profile for ionizing radiation [Internet]. Retrieved February 6, 2026, from https://www.ncbi.nlm.nih.gov/books/NBK597563/
Environmental Advances. (2025). Radiotoxic concentrations and ecological risk levels along the world’s coastlines. Elsevier. Retrieved from https://www.sciencedirect.com
https://journal-center.litpam.com/index.php/e-Saintika/article/view/1793
International Atomic Energy Agency. (2009). Strategic planning for national nuclear programs (Nuclear Energy Series No. NG-T-3.3). https://www-pub.iaea.org/MTCD/Publications/PDF/Pub1369_web.pdf
Losapio, G., Genes, L., Knight, C. J., McFadden, T. N., & Pavan, L. (2024). Monitoring and modelling the effects of ecosystem engineers on ecosystem functioning. Functional Ecology. https://doi.org/10.1111/1365-2435.14315
Parmar, T. K., Rawtani, D., & Agrawal, Y. K. (2016). Bioindicators: the natural indicator of environmental pollution. Frontiers in Life Science, 9(2), 110–118. https://doi.org/10.1080/21553769.2016.1162753
ScienceDirect. (n.d.). Radiation risk assessment. In Earth and Planetary Sciences (Topic overview). Elsevier. Retrieved February 9, 2026, from https://www.sciencedirect.com/topics/earth-and-planetary-sciences/radiation-risk-assessment
Sources of radioactive pollution – Environment notes. Prepp. Available at: https://prepp.in/news/e-492-sources-of-radioactive-pollution-environment-notes
Stratos.ro, Poluarea radioactivă: Analiza efectelor asupra ecosistemelor și comunităților, provocări și soluții – https://stratos.ro/en/blog-poluarea-radioactiva-analiza-efectelor-asupra-ecosistemelor-si-comunitatilor-provocari-si-solutii/
U.S. Environmental Protection Agency. (2025). Ecological Risk Assessment. Retrieved February 6, 2026, from https://www.epa.gov/risk/ecological-risk-assessment
