Tšilafalo ea maoatle

Ka lilemo tse ngata, mesebetsi ea batho e fetohile polanete sefefo ka nģ'ane ho ho amohela, le ho isa tekanyong ea liphetoho tsena, ka ho eketsehileng a tsoela pele ho e loketseng ho ka potlako ntshetsopele ya bokgoni theknoloji. Ho etsa lipatlisiso ho fetela ho lilemo tse 'maloa tse fetileng, litsebi tsa US Center National bakeng ekolotsi Analysis le go tswakana, o ile a bontša hore 40% ya bophahamo ba modumo leoatle lefatše fetohe tlas'a tšusumetso ea motho,' me ha ho molemo. Bafuputsi ba hlahlobile 17 mesebetsi e fapaneng eo haholo ama lefatše tšilafalo leoatle -. ntšang mahlaseli a kotsi lesupi, likhase sethopo, thomello, joalo-joalo, hammoho le ho nahana ka lintlha tsa lik'hemik'hale e - oli, menontsha, tšepe, joalo-joalo

Ba entse qeto e khathatsa matla. Ha e ntse e ile, e libakeng tse ngata silafetseng ea leoatle tse Leoatleng: The Norway, North, South China le East China. Sena ke ka ntlha ya go ha e le hantle hore metsi a bona a concentrated platforms tse ngata oli ho ba mafolofolo ho tšoasa litlhapi, hammoho le mona a oa linōka haholo silafetseng. Hanyenyane hloekile le Mediterranean le Leoatle la Japane, hammoho le metsi a lebōpong la leoatle la bochabela United States. Mona nang le baahi coastlines 'me ba bangata linokana likepe.

Ho na le, ya e le hantle, lefatšeng le ba libakeng tse leoatle se nang le phihlelo tšusumetso ea motho, empa ba lula ba 3 feela% ya metsi a lefatše. Ba haufi le lipalo tse.

A re hlahlobeng tse sa tšoaneng mehloli, sephetho fetisisa ka tšilafalo lefatše leoatleng.

E mong oa oli ka sehloohong e phallang ka likepe tsa oli metsi tsitsisang kapa a tsoelang metsi a lefatše a kapa menyenyetsi, ha tlhahiso ea lona le lipalangoang. Selemo le selemo, leoatle e replenished ke lithane tse limilione tse 10 tsa oli. The oli filimi e se e koahetsoe 20% ya sebakeng lefatshe.

matlakala ntšang mahlaseli a kotsi, eo ama lefatše leoatle ekolotsi, hape e emela kotsi e khōlō ho bophelo ba expanses metsi le bolibeng ba Lefatše. Ho tloha ka 1946, ho ile ka qala ke le mafolofolo boboleling draining ea litšila ntšang mahlaseli a kotsi ka sekontiri se metsi ka metsi leoatle le lahla tsena le litšila tse ling ka leoatle le ke linaha tse kang UK, USA, Fora, Italy, USSR, Jeremane, joalo-joalo

Chefo e bolaeang likokoanyana sokela boholo ho tikoloho leoatle. Di artificially a bōpa lintho tse sebelisoang bakeng sa ho laola mafu semela le tse senyang lijalo. Tlhahisong ea chefo e bolaeang likokoanyana e hlahisa byproducts hore kopane ka likhoerekhoere le silafatsa le ho ba leng ka nako eo oela leoatleng.

Maiketsetso surfactants (holim'a mahlahana a sebetsang a) di ile a boela a monehelo moholo ka tšilafalo lefatše leoatleng. Detergents hore ke karolo ea chefo e bolaeang likokoanyana le detergents maiketsetso botlaaseng hore ho pharaletseng sebediswa ke batho ba, fokotsa tsitsipano e holim 'a metsi. Ba na le metsoako e nang le chefo e baka kotsi irreparable ho lintho tse phelang ka metsing.

Carcinogens le tšekamelo ea ho ho fetola mosebetsi 'me ho ka etsa hore ho qhala ea ho hōla embryonic le phetoho liphatseng tsa lefutso tsa libōpuoa phelang. Mohloli o ka sehloohong ke li bole kapele 'ea thepa e manyolo ke tukang thepa a fapaneng, mafura le lehong. dintho Carcinogenic ama tšilafalo ea metsi. mahloriso a bona metsi lefatše feta 100 ug / kg tsa taba e omme.

The tšepe e boima sebediswa tlhahiso le ho oela metsing a leoatle, emela kotsi nang le chefo e ho biocenosis metsing, haholo-holo cadmium, mercury le loto. Selemo le selemo ka hydrosphere e qhalakane 455 tse sekete. Lithane tsa mercury le boima ba lithane tse 15-30 ea pele.

Linaheng tse ngata hore na ho kena leoatleng, metsi e lokolloa ka matlakala ka morero oa ho lahla. Ka ho khetheha, ho kgotlhela gongwe e entsoe ka thepa e kang litšila tiileng slag cheka, 'me lik'hemik'hale liqhomane, lihlahisoa lehlakoreng indasteri, maloanlahla a, joalo-joalo Moqolo oa la lepato ho fihlela ho 10% ka boima ba 'mele ho tsohle lintlha tšilafalo leoatleng.

Ya e le hantle, metsi ke thepa intša hloekisa, empa ho moedi itseng. Jwalo tšilafalo matla la maoatle, ba ne ba sitoa ho recycle. Ka lebaka leo, batho ba lokela ho nahana ka ho pholosa mehlodi ya metsi, e leng e mohloli oa bohlokoa oa ho khotsofatsa litlhoko fisioloji ea baahi ba lefatše e.