Hom nroj tsuag twg muaj nyob rau hauv cheeb tsam arid?
Hom nroj tsuag twg muaj nyob rau hauv cheeb tsam arid?

Video: Hom nroj tsuag twg muaj nyob rau hauv cheeb tsam arid?

Video: Hom nroj tsuag twg muaj nyob rau hauv cheeb tsam arid?
Video: ua neej tiam no tsis cia siab lawm ( zoo xyooj ) C.V 2024, Kaum ib hlis
Anonim

Cov arid cheeb tsam ( qhuav Performance index 0.03-0.20) yog tus cwj pwm los ntawm pastoralism thiab tsis muaj kev ua liaj ua teb tshwj tsis yog kev siv dej. Rau feem ntau, cov neeg hauv zos zaub yog sparse, muaj xws li txhua xyoo thiab perennial grasses thiab lwm yam herbaceous zaub , thiab shrubs thiab me me ntoo.

Ib yam li ntawd, tib neeg nug, hom nroj tsuag twg nyob hauv suab puam?

Thorny shrubs, Cactus yog feem ntau hom nroj tsuag los yog shrub pom nyob rau hauv yuav luag tag nrho cov suab puam ntawm lub ntiaj teb no. Suab puam biome muab faib ua 4 hom , viz., ntug suab puam , txias suab puam , semiarid suab puam , thiab kub thiab qhuav suab puam . Cov hom zaub pom txawv raws li cov hom ntawm suab puam.

Tsis tas li ntawd, cov nroj tsuag semi arid yog dab tsi? Ib nrab - qhuav Kev nyab xeeb zoo li txhawb nqa luv luv lossis scrubby zaub thiab feem ntau yog dominates los ntawm nyom los yog shrubs.

Ua li no, cov nroj tsuag twg loj hlob hauv thaj tsam semiarid?

Semirid qhuav dhau los txhawb cov hav zoov ntawm cov ntoo, tab sis ob peb tsob ntoo uas xav tau dej tsawg tuaj yeem pom ntawm no. Feem ntau nyom thiab tsob ntoo npog Semirid av. Zoo ib yam li cov nroj tsuag Arid, cov nroj tsuag no tuaj yeem ua pos los yog waxy - hloov kho kom khaws lossis tiv thaiv dej.

Dab tsi yog arid thiab semi arid regions?

Cov cheeb tsam Arid los ntawm kev txhais tau txais nag lossis daus-tsawg dua 10 ntiv tes (25 centimeters) los nag ib xyoos. Ib nrab - cheeb tsam arid tau txais 10 mus rau 20 ntiv tes (25 mus rau 50 centimeters) los nag ib xyoos.

Pom zoo: