Assessment of forest soil contamination by heavy metals in the Polish National Park near Warsaw

Abstract The forest ecosystems are essential for human well-being development and reduction of the risk of natural disasters. Maintaining forest growth and ecosystem services is dependent on soil sustainability. The content of heavy metals is the main parameter determining the degree of soil contami...

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Main Authors: Aneta Łukaszek-Chmielewska, Joanna Rakowska, Marzena Rachwał, Olga Stawarz
Format: Article
Language:English
Published: Nature Portfolio 2025-02-01
Series:Scientific Reports
Subjects:
Online Access:https://doi.org/10.1038/s41598-025-88754-2
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author Aneta Łukaszek-Chmielewska
Joanna Rakowska
Marzena Rachwał
Olga Stawarz
author_facet Aneta Łukaszek-Chmielewska
Joanna Rakowska
Marzena Rachwał
Olga Stawarz
author_sort Aneta Łukaszek-Chmielewska
collection DOAJ
description Abstract The forest ecosystems are essential for human well-being development and reduction of the risk of natural disasters. Maintaining forest growth and ecosystem services is dependent on soil sustainability. The content of heavy metals is the main parameter determining the degree of soil contamination and degradation. The objective of the study was to assess the extent of soil contamination and identify the sources of potential anomalies. The content of the cadmium, lead, manganese and chromium (using atomic emission spectroscopy with induction-coupled plasma), as well as granulometric composition, pH value and nitrogen and total carbon content, were conducted on soil samples taken from the surface layer (0–10 cm) in the protected area of the Kampinos National Park in Poland. The soil quality assessment was conducted by calculating indicators of contamination including the geo-accumulation index, contamination factor, degree of contamination, ecological risk of individual heavy metals and potential ecological risk index. The results exhibited that the tested soils were very acidic or acidic sands. The content of the determined elements did not exceed the permissible limits as outlined in Polish standards, which are 2 mg/kg, 100 mg/kg and 150 mg/kg for cadmium, lead and chromium, respectively. The indicators show differences in the degree of contamination of the surface soil layer in the studied area, which is predominantly uncontaminated by heavy metals. However, the geochemical index values equal 0.42, 0.71 and 0.98 for certain samples suggesting the anthropogenic impact on the soils of the Kampinos National Park. The pollution appears to have been generated by the metallurgical industry, heating and power plants in the Warsaw agglomeration and transport.
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spelling doaj-art-e3b79e7bc17843c3960d17e4f3728fee2025-02-09T12:34:15ZengNature PortfolioScientific Reports2045-23222025-02-0115111310.1038/s41598-025-88754-2Assessment of forest soil contamination by heavy metals in the Polish National Park near WarsawAneta Łukaszek-Chmielewska0Joanna Rakowska1Marzena Rachwał2Olga Stawarz3Fire UniversityFire UniversityFire UniversityCentral Laboratory for Radiological ProtectionAbstract The forest ecosystems are essential for human well-being development and reduction of the risk of natural disasters. Maintaining forest growth and ecosystem services is dependent on soil sustainability. The content of heavy metals is the main parameter determining the degree of soil contamination and degradation. The objective of the study was to assess the extent of soil contamination and identify the sources of potential anomalies. The content of the cadmium, lead, manganese and chromium (using atomic emission spectroscopy with induction-coupled plasma), as well as granulometric composition, pH value and nitrogen and total carbon content, were conducted on soil samples taken from the surface layer (0–10 cm) in the protected area of the Kampinos National Park in Poland. The soil quality assessment was conducted by calculating indicators of contamination including the geo-accumulation index, contamination factor, degree of contamination, ecological risk of individual heavy metals and potential ecological risk index. The results exhibited that the tested soils were very acidic or acidic sands. The content of the determined elements did not exceed the permissible limits as outlined in Polish standards, which are 2 mg/kg, 100 mg/kg and 150 mg/kg for cadmium, lead and chromium, respectively. The indicators show differences in the degree of contamination of the surface soil layer in the studied area, which is predominantly uncontaminated by heavy metals. However, the geochemical index values equal 0.42, 0.71 and 0.98 for certain samples suggesting the anthropogenic impact on the soils of the Kampinos National Park. The pollution appears to have been generated by the metallurgical industry, heating and power plants in the Warsaw agglomeration and transport.https://doi.org/10.1038/s41598-025-88754-2Heavy metalsSoil pollutionEcological indicatorsEnvironmental risk
spellingShingle Aneta Łukaszek-Chmielewska
Joanna Rakowska
Marzena Rachwał
Olga Stawarz
Assessment of forest soil contamination by heavy metals in the Polish National Park near Warsaw
Scientific Reports
Heavy metals
Soil pollution
Ecological indicators
Environmental risk
title Assessment of forest soil contamination by heavy metals in the Polish National Park near Warsaw
title_full Assessment of forest soil contamination by heavy metals in the Polish National Park near Warsaw
title_fullStr Assessment of forest soil contamination by heavy metals in the Polish National Park near Warsaw
title_full_unstemmed Assessment of forest soil contamination by heavy metals in the Polish National Park near Warsaw
title_short Assessment of forest soil contamination by heavy metals in the Polish National Park near Warsaw
title_sort assessment of forest soil contamination by heavy metals in the polish national park near warsaw
topic Heavy metals
Soil pollution
Ecological indicators
Environmental risk
url https://doi.org/10.1038/s41598-025-88754-2
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AT joannarakowska assessmentofforestsoilcontaminationbyheavymetalsinthepolishnationalparknearwarsaw
AT marzenarachwał assessmentofforestsoilcontaminationbyheavymetalsinthepolishnationalparknearwarsaw
AT olgastawarz assessmentofforestsoilcontaminationbyheavymetalsinthepolishnationalparknearwarsaw