Thaum pas dej erie polluted?

Cov txheej txheem:

Thaum pas dej erie polluted?
Thaum pas dej erie polluted?

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Anonim

Ntawm tag nrho cov Great Lakes, Lake Erie tau dhau los ua qias neeg los ntawm xyoo 1960, feem ntau vim muaj kev lag luam hnyav nyob hauv nws cov ntug dej. Nrog rau 11.6 lab tus tib neeg nyob hauv nws lub phiab, thiab nrog cov nroog loj thiab thaj av loj heev uas tau tswj hwm nws cov dej ntws, Lake Erie tau cuam tshuam loj heev los ntawm tib neeg kev ua ub no.

Thaum twg Lake Erie ua qias neeg tshaj plaws?

Lake Erie infamously dhau los ua qias neeg nyob rau hauv the 1960s thiab 1970s vim tias muaj ntau qhov kev lag luam hnyav nyob hauv cov nroog ntawm nws ntug dej hiav txwv, nrog cov ntawv ceeb toom ntawm cov kab mob-laden ntug hiav txwv dej thiab ntses kis los ntawm kev lag luam pov tseg.

Thaum twg Lake Erie suav tias yog lub pas dej tuag?

Thaum the 1960s, Lake Erie tau tshaj tawm tias "lub pas dej tuag" vim yog eutrophication thiab muaj kuab paug.

Yuav ua li cas rau Lake Erie xyoo 1970?

Nyob rau xyoo 1960 thiab 1970s, phosphorous theem hauv Lake Erie sawv thiab ua rau tsim cov algal blooms, uas cuam tshuam loj rau kev noj qab haus huv ntawm lub pas dej. Qhov teeb meem no nyuaj rau cov kws tshawb fawb, ua rau muaj kev ntxhov siab rau pej xeem thiab ua rau muaj kev txhawj xeeb ntawm tsoomfwv cov thawj coj.

Dab tsi ua rau Lake Erie ua qias neeg?

Lake Erie's algae blooms yog tshwm sim los ntawm runoff pollution Cov pa phem no tshwm sim thaum nag los ntxuav cov chiv thiab cov quav chiv kis rau ntawm cov liaj teb loj rau hauv cov kwj uas ntws mus rau hauv Lake Erie. Qhov no ua rau cov qoob loo ntawm algae txhua xyoo uas tuaj yeem ua rau dej lom rau ntses, tsiaj qus, thiab tib neeg.

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