Nyob rau ntau lub khw hauv Suav teb, Chenli cov khoom muag muag zoo tshaj qhov sib piv nrog cov khoom sib txawv ntawm cov tswv lag luam hauv cov khw muag khoom (sab qaum teb ntawm Changjiang River, nqa lub pob nyem thiab clamps muag ntau yam zoo dua lwm yam khoom zoo tib yam); Cov tuam txhab lag luam tawm txawv teb chaws kuj nyiam peb cov khoom lag luam zoo tshaj plaws vim tias cov khoom lag luam yog cov khoom zoo thiab cov khoom tau pom zoo. Kev txiav txim siab mus tsis tu ncua ua rau cov khoom lag luam hauv cov feem pua ​​ntawm kev ua lag luam thoob ntiaj teb ntau dua thiab ntau dua, Tshwj xeeb tshaj yog nyob rau qee lub tebchaws European (Fabkis, Ltalis, Askiv, Spain thiab lwm yam) Cov lus pom zoo ua khoom lag luam tseem raug siab heev; cov nplai kev loj hlob ntawm tuam txhab, Kev tsim khoom lag luam txuas ntxiv, lub zog pov thawj uas peb yuav muaj lub neej yav tom ntej zoo dua.