Cov ntoo aspen puas muaj cov tawv ntoo dawb?
Cov ntoo aspen puas muaj cov tawv ntoo dawb?

Video: Cov ntoo aspen puas muaj cov tawv ntoo dawb?

Video: Cov ntoo aspen puas muaj cov tawv ntoo dawb?
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Anonim

Neeg Asmeskas Aspen (populus tremuloides), tseem hu ua quaking aspen ”los yog “tawv aspen ,”ua smooth tawv tawv ntawm lub cev muaj zog ntsug uas ua tau ncav cuag 80 feet ntawm kev loj hlob nrog ib tug nqaim crown kis tsuas yog 20 ko taw.

Hauv qhov no, hom ntoo twg muaj cov tawv ntoo dawb?

Ntoo nrog cov tawv ntoo dawb tuaj yeem muab qhov sib txawv zoo rau koj lub vaj. Nyob ntawd yog ob peb hom ntoo nrog cov tawv ntoo dawb uas koj tuaj yeem siv, suav nrog sycamore (Platanus occidentalis), dawb poplar (Populus alba), quaking aspen (populus tremuloides) thiab dab pos hniav (Eucalyptus papuana).

Ib tug kuj yuav nug, tsob ntoo twg poob nws cov tawv ntoo thiab tig dawb? sycamores

Ib yam li ntawd, tib neeg nug, puas tag nrho cov ntoo aspen muaj cov tawv ntoo dawb?

Thaum lub tawv ntawm cov qauv loj tshaj plaws ntawm quaking aspen yuav ua rwj thiab furrow, nrog grey ntxoov ntxoo rau nws, feem ntau tsim kom muaj xim dawb-ntsuab tawv . Bigtooth aspen tawv yog du thiab grey- dawb ntawm qhov tsis paub qab hau ntoo , hlais nrog cov hlua dub.

Vim li cas cov ntoo muaj tawv tawv?

Daim ntawv birch ntoo tshwm dawb rau peb vim lawv xav txog feem ntau ntawm lub hnub rays. Qhov no yog key: dub ntoo nqus lub teeb, ntoo dawb xav txog nws. Nws hloov tawm hais tias lub siab reflectivity ntawm daim ntawv birch tawv tej zaum yuav muaj feem cuam tshuam rau kev faib tawm ntawm cov tsiaj uas zoo siab rau ecologists.

Pom zoo: