Canja wurin glyphosate da gurɓataccen AMPA zuwa ruwan saman ta hanyar tsarin magudanar ruwa na birni

An gudanar da nazarin glyphosate da aminomethyl phosphonic acid (AMPA) a cikin Orge watershed (Faransa) a lokacin 2007 da 2008. An tattara samfurori na ruwa a cikin ruwa mai zurfi, magudanar ruwa, magudanar ruwa da ruwa mai tsabta (WWTP). Wadannan kwayoyin halitta guda biyu sun bayyana su ne mafi yawan ganowa a cikin kogunan kuma yawanci sun wuce ma'aunin ingancin Turai na 0.1 μg L.^-1 don ruwan sha. An kiyasta nauyin glyphosate na shekara-shekara shine 1.9 kg shekara^-1 sama (yankin noma) da 179.5 kg shekara^-1 a mashigar ruwa (yankin birni). Wannan sakamakon yana nuna cewa gurɓatar da wannan kwandon ta hanyar glyphosate ya fito ne daga asalin birane (a'a'idodin hanya da layin dogo). Glyphosate ya kai ga ruwan saman da yawa ta hanyar magudanar ruwa yayin aukuwar ruwan sama. An gano mafi girman ƙima a cikin magudanar guguwa bayan aukuwar ruwan sama (75-90 μg L).^-1). Yawancin glyphosate a cikin ruwan saman yayin abubuwan da suka faru na ruwan sama sun nuna tasirin kwararar birane. A koyaushe ana gano AMPA a cikin tsarin magudanar ruwa. Wannan kwayar halitta ta isa saman ruwa musamman ta hanyar WWTP magudanar ruwa da kuma ta magudanar ruwa. Bambance-bambance a cikin ƙididdiga na AMPA a lokacin abubuwan ruwa sun kasance ƙananan idan aka kwatanta da bambance-bambancen glyphosate. Nazarin mu ya nuna cewa AMPA da glyphosate asalin a cikin birane sun bambanta. A lokacin bushewa, gurɓataccen abu kamar shine babban tushen AMPA a cikin ruwan sharar gida.