The aim was to study the distribution of macro-and microelements in the main urban ecosystems of Karelia. Methods. Samples of soil, vegetation, surface water, sediments and biota (fish) were taken. In total, 300 samples were collected. The analysis of the material was carried out using epithermal instrumental neutron activation analysis (INAA), x-ray spectral analysis (XRF), and atomic absorption spectrometry (AAS) with "cold steam" and inductively coupled plasma spectrometry (ICP-MS). Concentration of 32 chemical elements in soil, birch leaves, sediments, water and biota (fish) was determined. Results. The distribution of macro- and microelements in soil and vegetation of these main cities of Karelia was determined. Geochemical profiles of distribution of elements in soils and vegetation were constructed. Concentration of heavy and toxic metals in the samples of water and sediments was close to the background values. High concentration of mercury in the muscles of predatory fish was found (CHg = 0.2÷0.3 mcg/kg). Conclusions. The levels of total accumulation of heavy and toxic metals in the soil of Petrozavodsk are classified as hazardous (Zc = 56), and soil pollution in Pitkyaranta, Sortavala and Suoyarvi is considered moderately dangerous (Zc = 15-31). A high degree of correlation between the concentration of elements in the soil and birch leaves was found. The water in lake Ladoga, lake Onega, and lake Suoyarvi in terms of the concentration of the elements presented in the article meets the Russian standards for drinking water.

中文翻译：

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卡累利阿城市化生态系统中的宏观和微量元素分布

目的是研究卡累利阿主要城市生态系统中宏量和微量元素的分布。方法。采集了土壤、植被、地表水、沉积物和生物群（鱼）的样本。总共收集了 300 个样本。使用超热仪器中子活化分析 (INAA)、X 射线光谱分析 (XRF) 和原子吸收光谱 (AAS) 与“冷蒸汽”和电感耦合等离子体光谱 (ICP-MS) 对材料进行分析。测定了土壤、桦树叶、沉积物、水和生物群（鱼）中 32 种化学元素的浓度。结果。确定了卡累利阿主要城市土壤和植被中宏量和微量元素的分布。构建了土壤和植被中元素分布的地球化学剖面。水样和沉积物样品中重金属和有毒金属的浓度接近背景值。在掠食性鱼类的肌肉中发现了高浓度的汞（CHg = 0.2÷0.3 mcg/kg）。结论。Petrozavodsk 土壤中重金属和有毒金属的总积累水平被归类为危险 (Zc = 56)，而 Pitkyaranta、Sortavala 和 Suoyarvi 的土壤污染被认为是中等危险 (Zc = 15-31)。发现土壤中元素浓度与桦树叶之间存在高度相关性。拉多加湖、奥涅加湖和索亚尔维湖的水在文章中提出的元素浓度符合俄罗斯饮用水标准。在掠食性鱼类的肌肉中发现了高浓度的汞（CHg = 0.2÷0.3 mcg/kg）。结论。Petrozavodsk 土壤中重金属和有毒金属的总积累水平被归类为危险 (Zc = 56)，而 Pitkyaranta、Sortavala 和 Suoyarvi 的土壤污染被认为是中等危险 (Zc = 15-31)。发现土壤中元素浓度与桦树叶之间存在高度相关性。拉多加湖、奥涅加湖和索亚尔维湖的水在文章中提出的元素浓度符合俄罗斯饮用水标准。在掠食性鱼类的肌肉中发现了高浓度的汞（CHg = 0.2÷0.3 mcg/kg）。结论。Petrozavodsk 土壤中重金属和有毒金属的总积累水平被归类为危险 (Zc = 56)，而 Pitkyaranta、Sortavala 和 Suoyarvi 的土壤污染被认为是中等危险 (Zc = 15-31)。发现土壤中元素浓度与桦树叶之间存在高度相关性。拉多加湖、奥涅加湖和索亚尔维湖的水在文章中提出的元素浓度符合俄罗斯饮用水标准。Sortavala 和 Suoyarvi 被认为是中等危险（Zc = 15-31）。发现土壤中元素浓度与桦树叶之间存在高度相关性。拉多加湖、奥涅加湖和索亚尔维湖的水在文章中提出的元素浓度符合俄罗斯饮用水标准。Sortavala 和 Suoyarvi 被认为是中等危险（Zc = 15-31）。发现土壤中元素浓度与桦树叶之间存在高度相关性。拉多加湖、奥涅加湖和索亚尔维湖的水在文章中提出的元素浓度符合俄罗斯饮用水标准。