Video: Cov ntoo liab liab nyob qhov twg?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Abies magnifica, lub liab fir los yog silvertip fir , yog western North America fir , ib txwm nyob rau toj siab ntawm sab hnub poob Oregon thiab California hauv Tebchaws Meskas. Nws yog qhov siab tsob ntoo , feem ntau tshwm sim ntawm 1, 400–2, 700 meters (4, 600–8, 900 ft) qhov siab, tab sis tsuas yog tsis tshua ncav cuag tsob ntoo kab.
Tsuas yog li ntawd, tsob ntoo fir hlob nyob qhov twg?
Firs (Abies) yog ib tug genus ntawm 48-56 hom ntawm evergreen coniferous ntoo nyob rau hauv tsev neeg Pinaceae. Lawv pom los ntawm ntau yam North thiab Central America , Teb chaws Europe , Asia , thiab North Africa , tshwm sim nyob rau hauv toj siab tshaj plaws ntawm ntau yam.
Tsis tas li ntawd, yog liab fir thiab Douglas fir tib yam? Lub npe genus, Pseudotsuga, txhais tau tias "tsis muaj tseeb hemlock." Botanists feem ntau sau lub npe zoo li " Douglas - fir "los qhia tias nws tsis yog qhov tseeb fir . Lwm lub npe: Oregon Pine, Liab Fir , thiab Liab Spruce. Raws li lub npe scientific qhia, Douglas Fir tsis tau muab cais ua ib fir (Abies).
Tsis tas li ntawd, tsob ntoo liab fir zoo li cas?
Liab Fir (Abies magnifica) Cov koob xiav-ntsuab yog feem ntau 3/4 txog 1 1/4 ntiv tes ntev. Cov noob cones yog 3 1/2 txog 8 1/2 ntiv tes ntev, daj-ntsuab hauv cov xim, ripening rau xim av. Qhov no tsob ntoo ua Tsis txhob kov drought zoo, tab sis nws muaj zoo Frost kam rau ua.
Cov ntoo loj hlob sai npaum li cas?
Ib tug cog tsob ntoo yeej tsis ua tiav tib qhov siab lossis grandeur. Hauv koj lub vaj, Douglas fir yuav xwb loj hlob 40 mus rau 60 feet siab. Cov kws tshaj lij ntawm Cal Poly kwv yees qhov kev loj hlob ntawm Douglas fir ntawm 24 ntiv tes ib xyoos, tab sis qhov no kuj nyob ntawm nws loj hlob tej yam kev mob.
Pom zoo:
Koj pom cov ntoo paj ntoo nyob qhov twg?
Eastern paj rwb. Eastern cottonwood yog tsob ntoo loj, loj hlob sai, pom loj hlob raws cov kwj dej, dej ntws, thiab thaj chaw qis. Nws yog nyob rau sab hnub tuaj North America los ntawm Midwest thiab Chicago cheeb tsam
Cov ntoo twg muaj nplooj liab liab nyob rau lub caij nplooj zeeg?
Liab-twig dogwood (C. sericea) muaj cov kab liab ci ntsa iab uas muab lub caij ntuj no paj. Ntau tus neeg muag dogwood luv luv thaum nws los txog rau nws lub caij nplooj zeeg xim, tab sis lub caij nplooj zeeg xim yog qhov zoo nkauj heev, xws li txiv kab ntxwv mus rau reddish-ntsuab. Zoo li cov pos hniav dub, dogwoods dais txiv hmab txiv ntoo uas tau noj los ntawm cov noog qus
Cov ntoo ntoo ntev ntev nyob qhov twg?
Cov ntoo thuv ntev (Pinus palustris) yog ntoo thuv nyob rau sab hnub tuaj Tebchaws Meskas, pom nyob rau ntawm ntug dej hiav txwv ntawm East Texas mus rau yav qab teb Maryland, txuas mus rau sab qaum teb thiab nruab nrab Florida. Nws ncav cuag qhov siab ntawm 30-35 m (98-115 ft) thiab txoj kab uas hla ntawm 0.7 m (28 hauv)
Vim li cas cov kab mob Gram tsis zoo tshwm liab liab thaum cov kab mob Gram zoo pom ntshav liab?
Gram zoo hlwb stain ntshav vim lawv cov peptotidoglycan txheej yog tuab txaus, txhais tau tias tag nrho cov kab mob Gram zoo yuav khaws lawv cov stain. Gram tsis zoo hlwb stain liab vim lawv muaj ib tug nyias peptidoglycan phab ntsa, thiab lawv yuav tsis khaws ib yam ntawm cov ntshav stain los ntawm crystal violet
Cov ntoo twg muaj cov koob ntoo ntoo?
Cov tsev neeg ntawm conifers no suav nrog ntoo thuv, spruces, firs, hemlocks, larches (cov no tsis yog evergreens), thiab cedars tseeb. Cov tswv cuab ntawm Pine tsev neeg muaj koob tsis zoo rau cov nplooj scaly. Spruce, fir, thiab hemlock koob loj hlob singularly ntawm ceg. Cov koob ntawm cov ntoo thuv loj hlob hauv pob ntawm 2, 3, lossis 5