摘要:

根據(ju)(ju)國際通用(yong)的(de)標準場(chang)景和(he)環(huan)(huan)(huan)(huan)境(jing)(jing)(jing)脆弱性概念,利(li)用(yong)GIS技(ji)術(shu),以我(wo)國氣(qi)象(xiang)、土壤(rang)、農(nong)業生產等數據(ju)(ju)為(wei)基(ji)礎,構建(jian)農(nong)藥(yao)環(huan)(huan)(huan)(huan)境(jing)(jing)(jing)風(feng)(feng)險(xian)(xian)評(ping)估(gu)(gu)(gu)(gu)過程(cheng)“現實中最糟糕的(de)情況(kuang)”。針(zhen)對旱(han)地(di)作(zuo)物和(he)地(di)下水(shui)這一環(huan)(huan)(huan)(huan)境(jing)(jing)(jing)系統,將我(wo)國劃分為(wei)6個農(nong)藥(yao)地(di)下水(shui)環(huan)(huan)(huan)(huan)境(jing)(jing)(jing)風(feng)(feng)險(xian)(xian)評(ping)估(gu)(gu)(gu)(gu)場(chang)景區(qu),并在此基(ji)礎上構建(jian)了11個標準場(chang)景點,從而(er)形(xing)成針(zhen)對旱(han)地(di)作(zuo)物的(de)我(wo)國農(nong)藥(yao)地(di)下水(shui)環(huan)(huan)(huan)(huan)境(jing)(jing)(jing)風(feng)(feng)險(xian)(xian)評(ping)估(gu)(gu)(gu)(gu)場(chang)景體系。利(li)用(yong)歐盟農(nong)藥(yao)環(huan)(huan)(huan)(huan)境(jing)(jing)(jing)暴露模(mo)型PEARL測試(shi)該場(chang)景體系,運(yun)行(xing)結(jie)果顯示(shi)該場(chang)景體系科學(xue)可行(xing)。該場(chang)景體系的(de)建(jian)立既(ji)為(wei)運(yun)用(yong)定量模(mo)型進(jin)行(xing)我(wo)國農(nong)藥(yao)環(huan)(huan)(huan)(huan)境(jing)(jing)(jing)風(feng)(feng)險(xian)(xian)評(ping)估(gu)(gu)(gu)(gu)奠(dian)定了重要基(ji)礎,也為(wei)我(wo)國農(nong)藥(yao)環(huan)(huan)(huan)(huan)境(jing)(jing)(jing)風(feng)(feng)險(xian)(xian)管(guan)(guan)理、農(nong)藥(yao)登記管(guan)(guan)理工作(zuo)提(ti)供了技(ji)術(shu)支持和(he)科學(xue)依據(ju)(ju)。

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