Video: Cov ntoo twg muaj Serotinous cones?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Cov ntoo uas muaj serotinous tenancy nyob rau hauv North America muaj xws li ib co hom ntawm conifers nrog rau ntoo , spruce, cypress, thiab sequoia. Cov ntoo Serotinous nyob rau sab qab teb hemisphere suav nrog qee qhov angiosperms zoo li eucalyptus hauv qhov hluav taws kub ntawm Australia thiab South Africa.
Tsis tas li ntawd, Serotinous cones yog dab tsi?
Jack pine tau tsim qhov hu ua a Serotinous lub khob hliav qab . Serotinous cones yog them nrog ib tug resin uas yuav tsum tau melled rau lub khob khob qhib thiab tso cov noob. Thaum hluav taws txav los ntawm hav zoov, lub cones qhib thiab cov noob raug faib los ntawm cua thiab lub ntiajteb txawj nqus.
Tsis tas li ntawd, cov ntoo thuv puas muaj Serotinous cones? Ponderosa pines yog tsis yoog rau qhov hluav taws kub hnyav Lawv yog tsis zoo yoog kom rov tsim dua tshiab hauv thaj ua rau thaj tsam loj ntawm hluav taws kub hnyav vim lawv yog tsis yog hom sprouting thiab ua tsis yog muaj serotinous cones los yog ntev-nyob av seedbanks.
Ib sab saum toj no, hom ntoo twg yog qhov tseem ceeb rau Serotinous cones uas tsuas yog qhib tom qab hluav taws kub hav zoov?
Lodgepole pines, ubiquitous thoob plaws ntau ntawm Sab Hnub Poob, yog ib qho ntawm thawj hom loj hlob tom qab hluav taws vim lawv Serotinous cones.
Dab tsi ua rau lub cones los ntawm lodgepole ntoo thuv kom poob nws cov noob?
Qhov no khob khob tuaj yeem nyob hauv tsob ntoo ceg ntoo rau xyoo lawm, kom txog rau thaum lub tshav kub ntawm ib tug hla hluav taws melts lub resin uas seals nws thiab tso cai rau lub khob khob qhib, poob nws cov noob . Rau sab laug yog tus paub tab lodgepole ntoo hav zoov. Lub canopy tau kaw, thaiv lub hnub ci thiab tiv thaiv cov tshiab ntoo los ntawm kev loj hlob.
Pom zoo:
Puas muaj qhov sib txawv ntawm txiv neej conifer cones thiab poj niam conifer cones?
Pine cones feem ntau xav tias yog ntoo thuv cones yog qhov loj dua poj niam ntoo thuv cones; txiv neej Pine cones tsis zoo li woody thiab muaj ntau me me. Poj niam Pine cones tuav cov noob thaum txiv neej Pine cones muaj cov paj ntoos. Feem ntau cov conifers, los yog cone- bearing ntoo, muaj poj niam thiab txiv neej Pine cones rau tib tsob ntoo
Vim li cas cov ntoo ntoo sab hnub tuaj yog tsob ntoo ntoo ntawm Ontario?
Sab hnub tuaj dawb ntoo thuv tau hu ua Ontario cov ntoo ntoo hauv xyoo 1984. Cov ntoo zoo nkauj silhouette tau nto moo los ntawm cov tswv cuab ntawm Pawg Xya tus kws ua yeeb yam. Nws cov ntoo mos, daj ntseg thiab loj loj tau tsim nws tus nqi thaum ntxov hauv Canadian keeb kwm rau cov khoom xws li rooj tog rau nkoj masts
Cov ntoo cypress puas muaj ntoo thuv ntoo?
Lawv pom tau zoo heev ntawm cov ntoo, vim tias deciduous bald cypress poob nws nplooj nyob rau lub caij ntuj no thaum paj tawg paj. Lawv tsis zoo li paj txhua, tab sis zoo li me me ntoo thuv cones tsawg dua 2 ntiv hauv txoj kab uas hla
Dab tsi yog qhov txawv ntawm cov ntoo qhib ntoo thiab cov ntoo qhib dej?
Cov ntoo qhib dej muaj cov nplooj ntoo ntoo classic, nrog nplooj 2 mus rau 4 ntiv tes ntev nrog peb lobes ntawm cov lus qhia. Cov ntoo qhib nyob kuj tseem ntsuab thiab khaws nws cov nplooj kom txog thaum lawv loj hlob thiab tso tawm ntawm tsob ntoo, thaum cov ntoo qhib dej feem ntau poob nws nplooj thaum lub caij nplooj zeeg
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