Great Belt of Coniferous Forests

Pin
Send
Share
Send

Muaj ntau cov hav zoov nyob ntawm cov ntiaj chaw, qhov twg hauv daim ntawv loj ntawm cov ntoo yog ntoo. Nyob ntawm huab cua thiab huab cua puag ncig, hav zoov muaj ntau hom. Yog tias tsob ntoo coniferous dominate, nws yog hav zoov coniferous. Xws li lub ecosystem tshwj xeeb pom nyob rau hauv taiga ntawm sab qaum teb hemisphere, thiab nyob rau sab qab teb hemisphere nws qee zaum pom nyob rau hauv cheeb tsam chaw kub thiab muaj xyoob ntoo. Taiga hav zoov kuj tseem hu ua laj kab. Lawv nyob hauv North America thiab Eurasia. Cov ntoo nyob ntawm no huab cua txias ntawm thaj av podzolic cov av.

Ntawm thaj chaw muaj peev xwm tshwj xeeb, Meshchera Lowland yuav tsum muaj qhov txawv txav, ntawm thaj chaw uas zoo kawg nkaus ntawm Coniferous Forests nyob. Nws nyob hauv Russia - hauv thaj tsam Ryazan, Moscow thiab Vladimir. Nyuam qhuav pib, hav zoov coniferous puag ncig thaj chaw loj heev los ntawm Polesye mus rau Urals, tab sis hnub no tsuas yog ib qho me me ntawm thaj tsam ntuj no tau muaj sia nyob. Pines thiab European spruces loj hlob ntawm no.

Lub hauv paus ntawm coniferous hav zoov

Cov hav zoov ntawm hom no tau tshwm sim hauv Cenozoic era nyob rau hauv cov roob ntawm Asia. Lawv kuj tau npog thaj chaw me me ntawm Siberia. Hauv Pauv Pliocene, kev ua kom muaj huab cua txias tau ua rau qhov kub tsis txias tsawg zuj zus, thiab conifers tau pib loj hlob ntawm thaj av ntawm thaj chaw huab cua, txuas ntxiv rau thaj tsam tseem ceeb ntawm lawv thaj tsam. Cov hav zoov kis tau thaum lub caij nyoog interglacial. Thaum lub sij hawm Holocene, lub ciam teb ntawm coniferous hav zoov tob rau sab qaum teb ntawm Eurasia.

Muaj ntawm lub coniferous siv

Lub hav zoov-ua hom ntawm cov siv coniferous muaj raws li nram no:

  • ntoo thuv;
  • larch;
  • fir;
  • noj;
  • ntoo cauj.

Muaj ntau qhov sib txawv ntawm cov ntoo hauv cov hav zoov. Hauv tebchaws Canada thiab Asmeskas, koj tuaj yeem nrhiav fir thiab balsamic spruce, Sitka thiab Asmeskas spruce, ntoo thuv daj. Junipers, hemlock, cypress, redwood thiab thuja loj hlob ntawm no.

Hauv cov hav zoov nyob sab Europe, koj tuaj yeem nrhiav fir dawb, European larch, juniper thiab yew, hom ntoo thuv thiab dub. Hauv qee qhov chaw muaj admixtures ntawm broadleaf ntoo. Hauv Siberian coniferous hav zoov, muaj ntau hom larch thiab spruce, fir thiab cedar, nrog rau juniper. Hauv Sab Hnub Tuaj Far, Sayan spruce thiab larch, Kuril fir loj hlob. Txhua hav zoov txhua qhov muaj ntau lub thaj txi. Hauv qee qhov chaw, bushes ntawm Hazel, euonymus thiab raspberries loj hlob ntawm cov conifers. Muaj ntawv pov thawj, mosses, nroj tsuag nroj tsuag ntawm no.

Raws li qhov tshwm sim, Lub Teeb Siv Loj ntawm Cov Av Zoo Tshaj Plaws Hav Zoov yog qhov chaw tshwj xeeb hauv thaj chaw uas tau tsim nyob rau hauv lub sijhawm ua ntej-glacial thiab nthuav dav hauv ntu tom ntej. Thaj chaw hloov pauv tau cuam tshuam thaj chaw faib khoom ntawm conifers thiab peculiarity ntawm lub ntiaj teb hav zoov.

Pin
Send
Share
Send

Saib cov video: Goh Cheng Leong Chapter 21: Warm Temperate Eastern Margin China Climate (Kaum Ib Hlis 2024).