%0 Journal Article
%T Influences of acetochlor and copper on the degradation process of methamidophos in phaeozem by earthworms<br>乙草胺、铜污染共存对土壤甲胺磷蚯蚓降解过程的影响研究
%A LIANG Jidong
%A ZHOU Qixing
%A <br>梁继东
%A 周启星
%J 环境科学学报
%D 2006
%I 
%X In order to reveal the degradation-intensifying feasibility of methamidophos by earthworm activities, dynamic changes in the degradation of methamidophos by earthworms in phaeozem under the coexistence of aeetochlor or copper was investigated, and compared with those without earthworm aetivities, using the microcosm culture method. The results showed that changes in the degradation of methamidophos in phaeozem with time complied with the rule of first-order reaction kinetics Whether there were earthworms or not. The activity of earthworms can accelerate the degradation of methamidophos in soil. The coexitence of acetochlor or copper and methamidophos evidently disturbed the changes in the degradation of methamidophos with time. According to the chemical structure of the pollutants, it can be deduced that aeetoehlor and copper might perhaps affect the process of methamidophos degredation based on the similar interferential mechanism. The concentration of methamidophos coexisting with copper was obviously higher than with aeetoehlor. This implies that copper can defer the degradation of methamldophos more than aeetonblor.
%K earthworm
%K degradation
%K methamidophos
%K acetochlor
%K copper
%K combined pollution<br>蚯蚓
%K 降解
%K 甲胺磷
%K 乙草胺
%K 铜
%K 复合污染
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=A7CA601309F5FED03C078BCE383971DC&jid=03A55E61A8750ACAC6AF81EF9E2AC838&aid=FEC9644449D22C4D&yid=37904DC365DD7266&vid=96C778EE049EE47D&iid=0B39A22176CE99FB&sid=31BCE06A2FD82A16&eid=A2745AA1110798CA&journal_id=0253-2468&journal_name=环境科学学报&referenced_num=0&reference_num=31