Qhov teeb meem ib puag ncig tseem ceeb ntawm Hiav Txwv Dub

Cov txheej txheem:

Qhov teeb meem ib puag ncig tseem ceeb ntawm Hiav Txwv Dub
Qhov teeb meem ib puag ncig tseem ceeb ntawm Hiav Txwv Dub

Video: Qhov teeb meem ib puag ncig tseem ceeb ntawm Hiav Txwv Dub

Video: Qhov teeb meem ib puag ncig tseem ceeb ntawm Hiav Txwv Dub
Video: Kev Hlub Txiav Tsis Tau - ET Yaj & Sua Ham 2024, Tej zaum
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Teeb meem ib puag ncig ntawm Hiav Txwv Dub
Teeb meem ib puag ncig ntawm Hiav Txwv Dub

Tam sim no, Hiav Txwv Dub yog ib feem tseem ceeb ntawm Dej Hiav Txwv Atlantic thiab npog thaj tsam sib npaug li 420325 km2. Nws yog lub tsev rau ntau tshaj peb txhiab hom tsiaj thiab fauna. Ib qho zoo kawg nkaus tuaj yeem suav hais tias yog qhov tseeb tias txhua qhov kev sib txawv saum toj no tsuas yog pom nyob rau hauv qhov tob ntawm tsis ntau tshaj 150 m. Tsis tas li ntawd, poob hauv qab lub cim no, txoj cai nqes mus rau hauv qab, ib tus tuaj yeem soj ntsuam qhov tsis ua tiav ntawm lub neej., nrog tsis tshua muaj kev zam nyob rau hauv daim ntawv ntawm cov kab mob anaerobic. Qhov no yog vim qhov tseeb tias cov txheej dej sib sib zog nqus yog ib qho kev daws teeb meem ntawm hydrogen sulfide. Nov yog qhov chaw puas tsuaj rau txhua tus tsiaj uas xav tau oxygen kom nyob ib txwm.

Hiav Txwv Dub: Teeb meem ib puag ncig

Dub hiav txwv tej teeb meem
Dub hiav txwv tej teeb meem

Zoo li lwm lub cev dej niaj hnub no, lub hiav txwv no raug cuam tshuam los ntawm qhov tsis zoo ntawm cov tshuaj anthropogenic. Txhua xyoo, ntau pua tons ntawm cov khoom tsis zoo raug pov tseg rau hauv nws lub phiab. Xws li cov pa phem tuaj yeem ua rau muaj kev nyab xeeb rau tag nrho cov organic thiab ntxhia chiv, uas generously fertilize av.rau kev sau qoob loo zoo dua. Nws yog lawv leej twg, nkag mus rau hauv hiav txwv thiab accumulating nyob rau hauv cov dej kem, provoke lub active reproduction ntawm phytoplankton. Thaum tuag, cov tsiaj muaj sia no noj cov pa oxygen uas muaj nyob hauv cov dej, thiab yog li tsim teeb meem. Lub Hiav Txwv Dub yog npog nrog tag nrho txheej ntawm cov algae tuag, uas loj hlob tuaj thiab loj dua txhua xyoo. Raws li qhov cuam tshuam ntawm qhov xwm txheej no, qhov tsis txaus oxygen tau pom nyob rau hauv qhov ze-hauv qab.

Cov teeb meem Ecological ntawm Hiav Txwv Dub kuj tau txiav txim siab los ntawm cov hauv qab no tsis zoo:

1. Cov pa phem ntawm cov dej ntws mus rau hauv nws nrog dej phwj los nag. Qhov no tsis yog tsuas yog txo qis ntawm qhov pom ntawm cov dej thiab qhov tawg ntawm hiav txwv, tab sis kuj tseem ua rau kev puas tsuaj ntawm ntau lub cellular algae.

2. Kev ua qias tuaj hauv dej nrog cov khoom siv roj. Cov teeb meem ib puag ncig zoo li no ntawm Hiav Txwv Dub feem ntau ntsib nyob rau sab hnub poob ntawm thaj chaw dej, qhov chaw muaj ntau qhov chaw nres nkoj thiab cov tsheb thauj neeg coob coob. Yog li ntawd, muaj kev tuag ntawm ntau tus neeg sawv cev ntawm flora thiab fauna, kev cuam tshuam ntawm lawv lub neej ib txwm muaj, nrog rau kev tsis zoo ntawm cov huab cua vim cov roj evaporation thiab nws cov derivatives.

3. Cov pa phem ntawm cov dej loj nrog tib neeg cov khoom pov tseg. Tej teeb meem ib puag ncig ntawm Hiav Txwv Dub yog qhov tshwm sim ntawm kev tso dej tsis zoo thiab kho tsis zoo. Lub ntsiab load ntog nyob rau sab qaum teb sab hnub poob ntawm cheeb tsam. Lub ntsiab spawning thaj chaw rau ntses thiab yug me nyuam ntawm ntau hom tsiaj thiab noog kuj nyob rau ntawd. Lwm qhov tseem ceeb yog qhov kev loj hlob ntawm cov ntug hiav txwv dej. ATRaws li qhov tshwm sim, hauv qab ntawm lub Hiav Txwv Dub txee muaj kuab paug nrog cov hmoov av cement thiab cov khoom seem ntawm cov tshuaj siv hauv kev tsim kho.

Teeb meem ntawm hiav txwv dub
Teeb meem ntawm hiav txwv dub

4. Cov xwm txheej tsis zoo kuj tseem tuaj yeem suav nrog kev nuv ntses loj, uas ua rau muaj kev cuam tshuam tsis tau thiab thoob ntiaj teb kev txhim kho ntawm marine ecosystems.

Cov no yog cov teeb meem tseem ceeb ntawm Hiav Txwv Dub.

Pom zoo: