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Seasonal variation of potentially toxic elements in lacustrine habitats in the Thrace region, Türkiye: ecological and human health implications.

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Title: Seasonal variation of potentially toxic elements in lacustrine habitats in the Thrace region, Türkiye: ecological and human health implications.
Authors: Tokatlı, Cem1 (AUTHOR), Muhammad, Said2 (AUTHOR) saidmuhammad1@gmail.com
Source: Environmental Geochemistry & Health. Apr2026, Vol. 48 Issue 5, p1-21. 21p.
Abstract: The Thrace Region of Türkiye hosts diverse lacustrine habitats (LH) that are particularly vulnerable to potentially toxic elements (PTEs). This study investigated 25 PTEs in 33 LH, including 19 irrigation ponds, 12 reservoirs, and 2 natural lakes, across dry and wet seasons. Concentrations varied considerably, with Na and Mg showing the highest levels across all sites and seasons. Seasonal changes were pronounced: several PTEs, including Li, B, Na, and Mg, were strongly diluted during the wet season (up to 99%), while others, such as Cu, Zn, Sr, and Fe, were enriched under these conditions. Ecological risk indices e.g., heavy metal pollution index (HPI < 100) and, heavy metal evaluation index (HEI < 10) indicated generally low contamination levels in the LH, whereas irrigation water quality indices revealed high-risk conditions in Gala and Pamuklu lakes. Human health risk assessment showed that non-carcinogenic risks were within acceptable limits, hazard index (HI < 1) for all age groups, and the carcinogenic risks (CR > 10⁻4) slightly exceeded the threshold for children, primarily due to Ni, As, and Pb. Principal component analysis (PCA) explained 72.5% of the total variance and attributed PTEs to three dominant source categories: industrial, agricultural, and geogenic. Cluster analysis further grouped the habitats into three clusters reflecting similarities in their PTE profiles. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 192187034
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
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  Data: Seasonal variation of potentially toxic elements in lacustrine habitats in the Thrace region, T&#252;rkiye: ecological and human health implications.
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  Data: &lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Tokatlı%2C+Cem%22&quot;&gt;Tokatlı, Cem&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Muhammad%2C+Said%22&quot;&gt;Muhammad, Said&lt;/searchLink&gt;&lt;relatesTo&gt;2&lt;/relatesTo&gt; (AUTHOR)&lt;i&gt; saidmuhammad1@gmail.com&lt;/i&gt;
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  Data: &lt;searchLink fieldCode=&quot;JN&quot; term=&quot;%22Environmental+Geochemistry+%26+Health%22&quot;&gt;Environmental Geochemistry &amp; Health&lt;/searchLink&gt;. Apr2026, Vol. 48 Issue 5, p1-21. 21p.
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The Thrace Region of T&#252;rkiye hosts diverse lacustrine habitats (LH) that are particularly vulnerable to potentially toxic elements (PTEs). This study investigated 25 PTEs in 33 LH, including 19 irrigation ponds, 12 reservoirs, and 2 natural lakes, across dry and wet seasons. Concentrations varied considerably, with Na and Mg showing the highest levels across all sites and seasons. Seasonal changes were pronounced: several PTEs, including Li, B, Na, and Mg, were strongly diluted during the wet season (up to 99%), while others, such as Cu, Zn, Sr, and Fe, were enriched under these conditions. Ecological risk indices e.g., heavy metal pollution index (HPI &lt; 100) and, heavy metal evaluation index (HEI &lt; 10) indicated generally low contamination levels in the LH, whereas irrigation water quality indices revealed high-risk conditions in Gala and Pamuklu lakes. Human health risk assessment showed that non-carcinogenic risks were within acceptable limits, hazard index (HI &lt; 1) for all age groups, and the carcinogenic risks (CR &gt; 10⁻4) slightly exceeded the threshold for children, primarily due to Ni, As, and Pb. Principal component analysis (PCA) explained 72.5% of the total variance and attributed PTEs to three dominant source categories: industrial, agricultural, and geogenic. Cluster analysis further grouped the habitats into three clusters reflecting similarities in their PTE profiles. [ABSTRACT FROM AUTHOR]
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=enr&AN=192187034
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        Value: 10.1007/s10653-026-03088-w
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      – Code: eng
        Text: English
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      – TitleFull: Seasonal variation of potentially toxic elements in lacustrine habitats in the Thrace region, Türkiye: ecological and human health implications.
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            NameFull: Muhammad, Said
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              Text: Apr2026
              Type: published
              Y: 2026
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