Puas ntses salmon puas muaj cov yas?

Cov txheej txheem:

Puas ntses salmon puas muaj cov yas?
Puas ntses salmon puas muaj cov yas?
Anonim

Ntau qhov kev tshawb fawb tau pom tias microplastic kev kis tus kab mob salmon tshwj xeeb; Ib txoj kev tshawb fawb xyoo 2019 luam tawm nyob rau hauv Ib puag ncig Kev Ua Phem tau pom microplastics hauv cov menyuam yaus Chinook salmon tawm ntawm Vancouver Island hauv British Columbia, thaum cov ntses salmon, sardine, thiab kilka ntses los ntawm Iran tau pom muaj nyob nruab nrab ntawm …

Vim li cas koj yuav tsum tsis txhob noj salmon?

Ntxhais Salmon Scare. Ib tsab ntawv ceeb toom nyob rau lub Ib Hlis qhov teeb meem ntawm phau ntawv Journal Science tau chwv lub tswb uas ua liaj ua teb ntses salmon muaj qib ntawm polychlorinated biphenyls (PCBs, ib hom dioxin) uas tuaj yeem tsim kev puas tsuaj. Kev txhawj xeeb txog PCBs tshwm sim los ntawm lawv lub luag haujlwm uas yuav muaj cov kab mob carcinogen hauv tib neeg, raws li kev tshawb fawb hauv tsiaj.

Leej twg yuav tsum tsis txhob noj salmon?

Ib txoj kev tshawb fawb hais tias "cov menyuam yaus, cov poj niam muaj hnub nyoog me me, cov poj niam cev xeeb tub, thiab cov niam laus " yuav tsum zam cov ntses ntses ua liaj ua teb yog tias lawv "muaj kev txhawj xeeb txog kev noj qab haus huv xws li Raws li kev txo qis hauv IQ thiab lwm yam kev paub thiab kev coj cwj pwm. " Uas ua rau ib tug xav tsis thoob: leej twg tsis txhawj txog tej yam no?

Vim li cas thiaj muaj yas hauv kuv cov ntses?

Ze li 50 xyoo dhau los, cov kws tshawb fawb kawm txog North Atlantic Dej hiav txwv pib pom tias cov khoom me me ntawm cov yas tau tig mus rau hauv lawv cov plankton thiab seaweed qauv. Cov microparticles, lawv pom, nqus cov tshuaj lom thiab tom qab ntawd noj los ntawm flounder, perch, thiab lwm yam ntses.

Cov ntses twg muaj cov yas tsawg tshaj plaws?

Cov ntses uas suav tias yog cov kev xaiv noj qab haus huv tshaj plaws suav nrog: Wild Alaskan salmon, pacific sardines (tab sis tuaj yeem muaj microplastics), Sablefish / Dub Cod thiab Squid. Ntau qhov kev tshawb fawb nyob ib puag ncig cov qib mercury, PCBs, thiab microplastics tseem ua tsis tiav.

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