Keeb kwm kev faib tawm:
Teb chaws Europe, North Asia, Northeast United States
Xim / Xim
Cov khoom tseem ceeb xim ntawm cov txiv ntseej tshauv burl veneeris grey xim av, nrog rau cov kab txaij tsaus, thiab muag raws li lub npe lag luam ntawm cov ntoo dawb. Lub sapwood yog qhov dav, thiab cov xim feem ntau yog xim av lossis lub teeb xim av; Cov xim sib txawv ntawm cov khoom tseem ceeb thiab ntug tsis meej. Kev ntxhib los mos ntawm European dawb tshauv zoo ib yam li ntoo qhib. Kev ntxhib los mos tsis tu ncua, tab sis qee zaum nws muaj duab ntxoov ntxoo thiab curl qauv.
Nqe / Kev Lag Luam Kev Lag Luam / Daim Ntawv Pov Thawj (Sustainable Development)
Cov tshauv dawb yog sib npaug rau Asmeskas cov tshauv dawb thiab yog cov khoom siv pheej yig tshaj plaws, zoo ib yam li cov ntoo qhib. Tam sim no, hom ntoo no tsis muaj kev phom sij thiab tsis muaj kev tiv thaiv los ntawm International Union rau Xwm.
Sau ntawv thiab cov lus pom
Cov ntoo tshauv dawb ntoo hlav yog tam sim no siv ntoo hlav ntau tshaj plaws nyob rau hauv Suav teb, tab sis hais txog cov ntoo hlav hlav, cov ntoo hlav no muaj tsawg heev thiab tsis pom tseeb. Piv nrog rau lwm cov ntoo hlav (muab ntoo hlav, ntoo ntoo hlav), nws cov qog yog ib hom qog uas tsis muaj zog heev, thiab txawm tias cov qog tsis yog ib feem tseem hu ua ntoo hlav. Qhov tseeb, qhov no yuav tsum tau hu ua cov kab kauv, tab sis nws yog dav txhais los ntawm kev ua lag luam raws li cov ntoo tshauv dawb ntoo hlav, thiab qhov laj thawj tseem ceeb tshaj plaws yog tias nws yog tsim los ntawm tib hom ntoo "mob".
