Pacific Northwest Coniferous Nroj Tsuag: Loj hlob Conifers Hauv Northwestern US

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Pacific Northwest Coniferous Nroj Tsuag: Loj hlob Conifers Hauv Northwestern US
Pacific Northwest Coniferous Nroj Tsuag: Loj hlob Conifers Hauv Northwestern US

Video: Pacific Northwest Coniferous Nroj Tsuag: Loj hlob Conifers Hauv Northwestern US

Video: Pacific Northwest Coniferous Nroj Tsuag: Loj hlob Conifers Hauv Northwestern US
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Sab Hnub Poob yog qhov tsis sib xws hauv qhov loj me, kev ua neej ntev, thiab qhov ntom ntom ntawm ntau yam ntawm Pacific Northwest conifers. Cov nroj tsuag coniferous kuj tsis muaj qhov sib txawv hauv qhov ntim ntawm cov kab mob uas hu ua cov ntoo no hauv tsev. Conifers nyob rau sab qaum teb hnub poob hauv Teb Chaws Asmeskas tau hloov zuj zus mus rau lub sijhawm los ua kom tiav ib qho tshwj xeeb hauv cheeb tsam huab cua no.

Xav txog kev cog ntoo coniferous rau Pacific Northwest? Thaum conifers ib txwm nyob rau thaj av no poob rau hauv tsuas yog peb tsev neeg botanical, muaj ntau txoj kev xaiv.

Pacific Northwest Coniferous Nroj Tsuag

Lub Pacific Northwest yog ib cheeb tsam uas ciam teb rau dej hiav txwv Pacific nyob rau sab hnub poob, Rocky Toj siab nyob rau sab hnub tuaj, thiab los ntawm nruab nrab ntug dej hiav txwv California thiab yav qab teb Oregon mus rau sab qab teb ntawm Alaskan ntug dej hiav txwv.

Hauv cheeb tsam no pw ntau thaj chaw hav zoov sawv cev ntawm thaj chaw qhov kub thiab dej nag txhua xyoo. Ib haiv neeg conifers nyob rau sab hnub poob hauv Teb Chaws Asmeskas muaj tsuas yog peb tsev neeg botanical: Pine, Cypress, thiab Yew.

  • Pine tsev neeg (Pinaceae) suav nrog Douglas fir, Hemlock, Fir (Abies), Pine, Spruce, thiab Larch
  • Cypress tsev neeg (Cupressaceae) suav nrog plaub hom cedar, ob junipers, thiab Redwood
  • Yew tsev neeg (Taxaceae) suav nrog tsuas yog Pacific Yew

Cov ntaub ntawv ntawm Pacific NorthwestConifers

Ob pawg ntawm cov ntoo fir nyob hauv Pacific Northwest, tseeb firs thiab Douglas fir. Douglas firs yog cov feem ntau conifer rau Oregon thiab yog, qhov tseeb, nws lub xeev tsob ntoo. Qhov txawv, Douglas firs tsis yog ib tug fir tab sis nyob rau hauv ib tug genus ntawm lawv tus kheej. Lawv tau raug txheeb xyuas tsis raug raws li fir, ntoo thuv, spruce, thiab hemlock. Muaj tseeb firs muaj erect cones thaum Douglas fir cones taw tes downward. Lawv kuj muaj pitchfork zoo li tus bracts.

Ntawm cov ntoo fir tiag (Abies), muaj cov fir loj, Noble fir, Pacific Silver fir, subalpine fir, Dawb fir, thiab liab fir. Lub cones ntawm Abies firs yog perched nyob rau sab sauv ceg. Lawv tawg sib nrug ntawm maturity tawm ib tug spike rau ntawm ceg. Lawv cov tawv nqaij yog du nrog cov hlwv hlwv ntawm cov tub ntxhais hluas stems thiab ntawm cov pob tw loj hloov pauv thiab du. Cov koob yog pw hauv cov kab ncaj nraim los yog nkhaus upwards tab sis tag nrho cov tuaj mus rau ib tug mos mos, tsis prickly, taw tes.

Muaj ob hom Hemlock conifers nyob rau sab qaum teb hnub poob hauv Teb Chaws Asmeskas, Western hemlock (Tsuga heterophylla) thiab Roob hemlock (T. mertensiana). Western hemlock muaj luv luv, ca koob thiab me me cones thaum roob hemlock muaj luv luv, tsis xwm yeem koob thiab ntev ob-nti (5 cm.) cones. Lub khob hliav qab ntawm ob lub hemlocks muaj qhov sib npaug tab sis tsis muaj lub bracts ntawm Douglas fir.

Lwm cov nroj tsuag Coniferous rau Pacific Northwest

Pines yog cov conifer ntau tshaj plaws nyob rau hauv lub ntiaj teb tab sis tsis txhob ua qhov ntawd zoo hauv qhov tsaus ntuj, ntub dej, thiab hav zoov tuab ntawm Pacific Northwest. Lawv tuaj yeem pom nyob rau hauv qhib hav zoov ntawm roob thiab sab hnub tuaj ntawm Cascades, qhov twg huab cua nyobdrier.

Pines muaj cov koob ntev ntev, thiab feem ntau tuaj yeem txheeb xyuas tau los ntawm tus lej ntawm cov koob hauv ib pob. Lawv cov cones yog qhov loj tshaj plaws ntawm cov nroj tsuag coniferous hauv cheeb tsam. Cov cones muaj tuab, ntoo nplais.

Ponderosa, Lodgepole, Western, thiab Whitebark pines loj hlob thoob plaws lub roob thaum Jeffery, Knobcone, Qab Zib thiab Limber pines tuaj yeem pom nyob rau hauv toj siab ntawm sab hnub poob Oregon.

Spruces muaj koob ntau yam zoo li Douglas firs tab sis lawv ntse thiab taw tes. Txhua koob loj hlob ntawm nws tus kheej me me peg, ib qho tshwj xeeb ntawm spruces. Lub cones muaj cov nplais nyias nyias thiab cov tawv ntoo yog grey thiab scaled. Sitka, Engelmann, thiab Brewer yog spruce confers nyob rau sab qaum teb hnub poob US

Larches yog qhov sib txawv ntawm lwm cov conifers hauv cheeb tsam. Lawv tiag tiag deciduous thiab poob lawv cov koob nyob rau hauv lub caij nplooj zeeg. Zoo li pines, cov koob loj hlob hauv cov pob tab sis nrog ntau cov koob ntxiv rau ib pob. Western thiab Alpine larches tuaj yeem pom nyob rau hauv Pacific Northwest ntawm sab hnub tuaj ntawm Cascades thiab siab nyob rau sab qaum teb Cascades ntawm Washington hwm.

North American cedars txawv dua li cov Himalayas thiab Mediterranean. Lawv nyob rau plaub genera, tsis muaj leej twg yog Cedrus. Lawv muaj tiaj, nplai zoo li nplooj thiab stringy saib tawv tawv thiab tag nrho cov nyob rau tsev neeg Cypress. Western Red cedar yog feem ntau ntawm cov nroj tsuag hauv cheeb tsam no tab sis xyab, Alaska, thiab Port Orford cedars tshwm sim tsis tshua muaj nyob hauv qee thaj chaw.

Tsuas yog cypress ib txwm nyob rau Pacific Northwest yog Modoc cypress. Lwm yam cypress uas ua rau Northwestlawv lub tsev yog Western juniper, Rocky Mountain juniper, redwood, thiab sequoia. Zoo ib yam li cov sequoia loj heev, cov ntoo liab yog nyob rau hauv Pacific Northwest thiab tuaj yeem pom nyob rau sab qaum teb California xwb.

Yews tsis zoo li lwm yam Pacific Northwest coniferous nroj tsuag. Lawv cov noob muaj nyob rau hauv me me, liab, txiv hmab txiv ntoo zoo li txiv hmab txiv ntoo (aril). Txawm hais tias lawv muaj koob, txij li yews tsis muaj cones, lawv txoj hauj lwm raws li ib tug conifer tau raug hu mus nug. Kev tshawb fawb tshiab qhia tias cov arils yog qhov hloov kho lub khob. Tsuas yog Pacific yew yog nyob rau hauv Pacific Northwest thiab tuaj yeem pom nyob rau hauv qhov chaw ntxoov ntxoo ntawm qhov siab qis mus rau nruab nrab.

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