粗犷的电子垃圾拆解活动对农田土壤、农产品安全及农村生态环境构成了极大威胁。本研究以广东省清远市龙塘镇为例,通过对典型重金属-POPs复合污染的电子垃圾污染土壤上不同植物的根际与非根际土壤进行研究,发现植物根际土中典型POPs的含量显著高于非根际土,且植物根际富集现象在长期污染的土壤上更为明显。POPs的辛醇-水分配系数(log Kow)与根际土壤和非根际土壤POPs的比值之间不存在明显的相关性。植物对不同溴取代位置的PBDEs同分异构体具有选择性富集的特点 ...
罗春玲
core
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