A guide to sustainable American hardwoods – Hindi

Page 101

ikfjHkkf"kd 'kCnkoyh '

QhV

"

bap

Daizsflo (compressive) LVªsaFk ml cy dk izfrjks/k djus dh {kerk tks Qkbcj dks yackbZ esa Ø'k djds lajpukRed esacj dks NksVk dj nsrk gSA ØkWl ysfeusVsM VhEcj

1" 25.4 feyh

ehVj ¼feeh½

CLT

1ehVj 3.281

QhV

lM+Uk QQwan yxus dss ydM+h esa iSnk gksus okyh lM+Uk ¼vU; 'kCn% rot, dote½A

1eh3 35.315 1eh3 424

?ku QhV

cksMZ QhV

1MBF 2.36

(cu.ft)

(BF)

?ku ehVj ¼eh3½

vesfjdu gkMZoqM i;kZoj.kh; izksQkbyA nqfu;k esa dgha Hkh bls forfjr djus ls tqM+s i;kZoj.kh; çHkkoksa ij ek=kRed MsVk lfgr ml f'kiesaV esa fufgr US gkMZoqM çtkfr;ksa dh oS/krk vkSj fLFkjrk dks çnf'kZr djus ds fy, tkudkjh çnku djus okyk [kkl f'kfiax (shipping) nLrkostA AHEP

BF

cksMZ QhV

BM

cksMZ eki

dkcZu QqVfizaV (footprint) fdlh oLrq ds cukus dh çfØ;k ds nkSjku mRlftZr gksus okyh lHkh xzhugkml xSlksa (greenhouse gases) dk ,d lkj vkSj ;g cjkcj dkcZu Mkbv‚DlkbM ds fdyksxzke ¼fdxzk CO2 lerqY;½ esa O;ä fd;k tkrk gSA dkcZu lhDosLVªs'ku (sequestration) mit ds nkSjku isM+s okrkoj.k ls CO2 ysrs gSaA tc isM+ksa dh dVkbZ gksrh gS vkSj phjh gqbZ ydM+h ¼;k dksbZ vU; ydM+h ds mRikn½ rS;kj djus ds fy, izkslsl fd;k tkrk gS rks ;s CO2 dks laxzghr djuk tkjh j[krs gSaA CO2 dks laxzg djus dh ;g fØ;k lhDosLVªs'ku ds rkSj ij tkuh tkrh gSA

MsaflVh (density) vk;ru dh izfr bdkbZ HkkjA ydM+h dh MsfUlVh ydM+h dh o`f)] ysV oqM ds izfr'kr vkSj ydM+h ds dqN VqdM+ksa esa gkVZoqM ds vuqikr ls izHkkfor gksrh gSA Mk;esa'kuy LVSfcfyVh (dimensional bl 'kCn ls irk pyrk gS fd D;k ueh rRo esa fHkUurk vk tkus ls ydM+h dk ,d Hkkx ek=k esa gksus okys cnykoksa dk izfrjks/k dj ldrk gSA

stability)

fVdkÅiu ydM+h esa lM+u iSnk djus okyh QQwan] dhM+ksa vkSj leqnzh cksjj ds geyksa dk izfrjks/k djus dh {kerkA FAS xzsM FAS

loksZPp DokfyVh dh

NHLA

yEcj xzsMA

fons'k d`f"k lsok

FIA Forest Inventory and Analysis izksxzkeA FIA dkmaVh }kjk gj lky vesfjdk esa gkMZoqM

mRiknd jkT;ksa esa vyx&vyx vesfjdu gkMZoqM çtkfr;ksa ds fodkl dks VªSd djrk gSA fQxj (figure) fjax] jsat] ukWV~l] fu;fer xzsu ls fHkUurk] tSls baVjykWd vkSj osoh vkSj vfu;fer jax dh otg ls ydM+h dh lrg ij cu tkus okyk iSVuZA f¶yp ,d ykWx ;k fofu;j esa cnyus gsrq fVªe vkSj rS;kj fd;k x;k ykWx dk ,d Hkkx ;k cnys gq, ykWx dk fgLlk tks vkxs cnyus ds fy, mi;qDr gksA

Xywyke Xyw ySfeUksVsM fVEcj xzsu phjh gqbZ ydM+h esa js'kksa dh fn'kk] vkdkj] la;kstu] :i ;k bldh DokfyVhA lh/ks xzsu ml yEcj dks ifjHkkf"kr djrs gSa ftlesa Qkbcj vkSj vU; yacor rÙo yEcj ds VqdM+s dh ,fDll ¼dsanz½ ds lekukarj gksrs gSaA xe ikWdsV ydM+h esa jsaftu ;k xksan dk t:jr ls T;knk tekoA dBksjrk ydM+h esa [kjkst vkSj ,csz'ku dk izfrjks/k djus dh {kerkA eku U;wVu ¼,u½ esa fn, tkr gSa vkSj Hkkj dk og eki gSa tks 11.3 feeh dh ckWy dks ydM+h esa blds vk/ks O;kl esa ,EcsM djus ds fy, t:jh gksrh gSA gkMZoqM lnkcgkj pkSM+j ifÙk;ksa okys isM+ksa (Angiosperms) ls feyus okyh ydM+h ds fy, bLrseky fd, tkus okyk 'kCnA bl 'kCn dk ydM+h dh okfLrfod dBksjrk ls dksbZ laca/k ugha gSA gkVZoqM c<+rs gq, isM+ esa ydM+h dh van:uh ijrsa] ftuesa thfor dksf'kdk,a ugha gksrh gSaA lSioqM dh rqyuk esa gkVZoqM dk jax lkekU; rkSj ij xgjk gksrk gS] ysfdu bu nksuksa esa ges'kk gh lkQ rkSj ij fHkUurk fu/kkZfjr ugha dh tk ldrhA fdfYuax (kilning) oSKkfud fof/k ls fu;af=r ifjfLFkfr;ksa essa d`f=e rkSj ij ydM+h dks lw[kkus dh izfØ;kA fdYu os pSEcj gksrs gSa ftudk bl izfØ;k ds fy, bLrseky fd;k tkrk gSA thou pØ ewY;kadu] vkerkSj ij i;kZoj.kh; gksrk gSA ,d foKku vk/kkfjr eki ç.kkyh ftlesa i;kZoj.kh; çHkkoksa dh x.kuk djus ds fy, blds iwjs thou pØ esa ,d mRikn ls tqM+s lkexzh] ÅtkZ vkSj vif'k"V ds lHkh buiqV vkSj vkmViqV ij MsVk dk laxzg 'kkfey gSA LCA

Psd (check) ydM+h esa yackbZ esa jsks dk vyx gksuk] tks iwjs ØkWl lsD'ku ls ugha xqtjrk gSA psd ydM+h dks lq[kkus ds nkSjku Vsa'ku LVªsl (tension stress) dk urhtk gksrh gSA

ikfjHkkf"kd 'kCnkoyh

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