Aspen thiab birch poplar yog cov paj ntoo sawv cev hauv Central Europe. Muaj ntau txoj hauv kev, ob qho tib si zoo sib xws thiab tsis yooj yim los qhia sib nrug deb. Tab sis yog tias koj saib ze, koj tuaj yeem txheeb xyuas lawv.
Dab tsi yog qhov txawv ntawm aspen thiab birch poplar?
Aspen thiab birch poplar sib txawv ntawm cov tawv tawv xim, nplooj nplooj thiab qhov chaw: Aspens hloov los ntawm yellowish xim av mus rau tsaus grey-xim av, muaj wavy lobed los yog daim duab peb sab nplooj thiab nyiam lub teeb qhov chaw, thaum birch poplars muaj grey bark, finely serrated., zoo li birch nplooj thiab qhov chaw nyob ze rau dej.
Dab tsi zoo sib xws
Cov hom poplar pom nyob rau hauv peb lub latitudes feem ntau tuaj yeem sib txawv ntawm ib leeg mus rau qee qhov los ntawm lawv cov cwj pwm. Piv txwv li, cov poplar dub muaj ntau dua, zoo li ntoo qhib, gnarled tsos, thaum lub balsam poplar yog me thiab muaj ib tug softer, ntau upward crown silhouette.
Tus cwj pwm ntawm quaking aspen thiab birch poplar zoo sib xws, kom ob leeg tuaj yeem tsis meej pem los ntawm qhov deb. Ob leeg muaj ib tug elliptical rau conical thiab irregularly branched crown uas teev heev tsawg. Ob qho tib si loj loj nyob rau hauv qhov siab ntawm 15 mus rau 25 meters. Aspen thiab birch poplar tsuas tuaj yeem txheeb xyuas qhov tseeb thaum koj mus ze rau tsob ntoo.
Qhov txawv qhov txawv
Muaj qhov sib txawv ntawm aspen thiab birch poplar hauv pawg hauv qab no:
- Bark
- lees
- Location
Bark
Ob hom no muaj tawv tawv dua thaum lawv tseem hluas thiab cov tawv tawv ntau dua thaum lawv laus dua. Txawm li cas los xij, xim txawv me ntsis: aspen bark yog pib daj-xim av thiab hloov mus rau hauv ib qho tsaus grey-xim av ntau xyoo. Lub bark ntawm birch poplar muaj ib tug txawv grey xim, pib nyob rau hauv ib lub suab sib zog thiab raws li nws muaj hnub nyoog nws yuav darker.
lees
Ob hom paj ntoo tuaj yeem paub qhov txawv ntawm lawv cov nplooj. Txawm li cas los xij, tseem muaj qhov cuam tshuam me me ntawm no. Aspen tsim ob hom nplooj sib txawv thaum ntxov thiab tom qab xyoo. Txawm li cas los xij, thaum ntxov ntawm cov tua ntev yog cov yam ntxwv zoo heev thiab tsis muaj teeb meem nrog lawv qhov dav, me me-puab thiab wavy lobed zoo nyob rau sab nraud. Tom qab lub caij ntuj sov nplooj ntawm luv luv tua yog pom meej daim duab peb sab thiab yuav luag du ntawm ntug.
Lub birch poplar muaj nplooj uas zoo li birch - li no lub npe. Lawv muaj elliptical rau inverted qe zoo li contour thiab yog finely serrated ntawm ntug.
Location
Koj tuaj yeem txiav txim siab nrog tus txheeb ze paub tseeb tias koj tab tom saib aspen lossis birch poplar raws li koj nyob. Ob leeg nyiam qhov chaw sib txawv heev. Aspens yog lub teeb-hlub thiab nyiam loj hlob nyob rau hauv clearcuts, roadsides thiab pob zeb dumps. Birch poplars, ntawm qhov tod tes, nyiam nyob ze rau dej thiab feem ntau yuav pom nyob rau hauv cov dej nyab thiab cov riparian groves.
