Potential Effect of Stand Structure on Belowground Allocation
نویسنده
چکیده
St,>nd 5tructure dfft ct \ two k c y variablcc, tlidt affect bioriiass allocdtron to the stet,, leaf area and llcrght to the center of ttic ( rown By tr,>nsl[~t~ng ~v~nc l forces lrito a ber ld~ng rliornent, ttiesc var~ables gencrdte tlendrng \ t rc?, \ wrtliiri ,I stciri Thr. urilforrn strcss dxrorn of .;tel-i\ forr'r~,itro~ ~ 3 ~ 7 k l i . uscd to calc~llate current sterrl n l ~ l s5 for ,I grv('11 t)clldilig rriOltle11t ~3llocatlOn for changes beriding rrtoitierit over a tinlr. pthrloci Stc'rii >ron ~no t l c l b,-lsed or1 ttie r c l ~ i t ~o r i s l l ~p hctwccn bending rnornent arid stern ;illoctitron ~xpla~r iec l 98% ot 111i2 v ~ i r ~ ~ j t i o r i rn \tc]ntl ICV(II S ~ C I ~ prc)tjuctior~ of 13 yr old l o t l [ o ~ l ~ prrle ( P ~ n t ~ s trteda L ) plantairon c;ut~jccted to fd~tor id l co r~ l l~ i r l a t lo r i~ of rrrlgatron and fertl l~ration F\irtht.r rnorc, relatrvc frne root allocation wac, 1rivcr5c.ly related to relatrve sterii al locat~on and 1ncreasc.s in apparent 1)encling stress Corrc~spontl~iig ~tc,\ociatrons bctwt.cxn bcnt l~t ig stre5s m d reldtlve ,jltoc,~tiori between the stcn? dnd flrirl root5 dp(x'dr to XI\^ for otller S ~ C C I C S /)rOvldlnj', ~ltl(jltl0rlal ?,tipport for tllf, proposctl llnk Foit S( i 11711) 60 70
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تاریخ انتشار 2005