トルコのイスタンブール南海岸の半閉鎖船港の沈殿物におけるビスフェノールAおよびフタラート酸エステルの発生,分布および生態学的リスク評価
Kartal Çetintürk1, Selma Ünlü2
1Istanbul University, Institute of Marine Science and Management, Vefa, 34134, Istanbul, Turkey; Istanbul University Cerrahpaşa, Institute of Nanotechnology and Biotechnology, Büyükçekmece, 34500, Istanbul, Turkey.
Marine environmental research
|September 3, 2025
まとめ
ビスフェノールA (BPA) とフタル酸エステル (PAE) は,イスタンブール港の堆積物で発見された内分泌障害物質です. 内部港での濃度が高いことは,海洋活動による海洋生物に対する深刻な生態学的リスクを示しています.
科学分野:
- 環境化学
- 海の汚染
- 生態毒理学
背景:
- ビスフェノール類とフタル酸エステルは,内分泌系を乱す物質として知られています.
- 港の沈殿物の分布を理解することは,環境への影響と港の持続可能性の評価に不可欠です.
- 港の環境は,人為的な活動によって影響を受ける複雑なシステムです.
研究 の 目的:
- ビスフェノールA (BPA) とフタル酸エステル (PAE) の濃度および分布をイスタンブール港の沈殿物で決定する.
- BPAとPAEの汚染源を特定する.
- これらの汚染物質が海洋生物に及ぼす生態学的リスクを評価する.
主な方法:
- イスタンブール各港の38の駅から堆積物サンプルを採取した.
- DEHPを含むBPAと特定のPAEの濃度が測定されました.
- 多変量分析は,ソースの特定と相関のために使用されました.
- 環境リスク評価は,リスク係数 (RQ),TEL,PEL,PPI値を用いて行われました.
主要な成果:
- BPAとPAEはイスタンブール港の沈殿物で検出され,BPAの濃度が最も高いのはクンポートで,DEHPはボスタンチ漁業シェルターで検出されました.
- 汚染物質のレベルは,港の内側で一般的に高かった.
- 海洋活動,船舶廃棄物,船舶の長期停泊が 原因とされている.
- BPAとPAEは強い相関関係を示し,共通の起源を示唆した.
結論:
- ホットスポットサンプリングポイントは,BPAとPAEにより海洋生物に深刻な生態学的リスクをもたらします.
- PAEの汚染状態は,環境リスク評価値によって確認されています.
- 港の生態系における内分泌破壊物質の汚染を軽減するために効果的な管理戦略が必要である.
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