وفّر 50٪ من خلال الاشتراك السنوي في مجرة واحصل على تصفح لا محدود لأفضل محتوى عربي على الإنترنت.
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يُطلق عليه أيضاً بالإنجليزية (Soil Contamination)، ويقصد به دخول مواد ملوثة وضارة على التربة بمستويات غير طبيعية، تؤثر سلباً في جودتها، وتلحق أضراراً بيئية وصحية للكائنات الحية التي تعيش فيها. تؤدي تلك الملوثات إلى تغيير التنوع البيولوجي للتربة، والتقليل من خصوبتها وموادها العضوية وتلوث المياه المخزنة فيها.
يحدث تلوث التربة إما عبر ملوثات طبيعية عضوية كجثث الحيوانات، أو ملوثات صناعية مفتعلة، كالمواد الكيميائية التي ينتجها البشر، وترمى عشوائياً كالنفايات الصناعية، وتعدّ المعادن الثقيلة كالزرنيخ والرصاص، والملوثات العضوية الثابتة (كجثث الحيوانات) من أكثر ملوثات التربة شيوعاً.
توجد العديد من أسباب تلوث التربة على كوكب الأرض منها:
الاتصال المباشر مع التربة الملوّثة يؤدي إلى آثار سلبية عديدة منها:
مواضيع ذات صلة:
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