Hypoxia

Ntses tuaj yeem raug kev txom nyem los ntawm qhov tsis muaj oxygen hauv dej, thiab yog tias tsis kho, lawv yuav tsis muaj zog thaum kawg thiab ua rau muaj kab mob, kab mob, fungi, thiab cab.

Lawv yuav tsis muaj peev xwm tiv tau kab mob thiab yuav tuag ntawm ib qho ntawm lawv. Tsis txhob hais tias lawv tuaj yeem ua tsis taus pa yog tias cov ntsiab lus oxygen qis dhau lawm.

Ntawm cov laj thawj tseem ceeb yog feem ntau tsis muaj zog aeration, hloov chaw ntawm cov thoob dej yug ntses thiab ntau cov organic pov tseg. Cov tom kawg zoo li tsis pom tseeb, tab sis piv txwv li, excrement, uneaten zaub mov seem, nplooj tawg, nyob rau hauv tus txheej txheem ntawm decomposition, nquag cuam tshuam nrog oxygen yaj hauv dej, txo nws cov concentration.

Cov tsos mob:

Ntses siv sij hawm feem ntau ntawm cov dej saum npoo av, qhov twg cov concentration ntawm cov pa oxygen ntau dua. Qee zaum lawv sim nqos cua npuas.