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*(03-06):2005-03-11:2005-04-27*(611830)(),Rym0.6888,Rymt11.0804,Rymt,t0.05=1.98,t0.05t,()AssessmentofsiteconditionqualityofthenaturalforestofPiceaasperatabymulti-factorquantitativeanalysis.MAMing-Dong,LUOCheng-De,ZHANGJian,HUTing-Xing,LIUYue-Jian(SichuanAgriculturalUniversity,Dujiangyan611830,China),CJEA,2006,14(2):154158AbstractThisarticleutilizesquantitativetheorytobuildtheevaluationmodelsofmulti-factorquantitativesiteconditionqualityofthenaturalforestofPiceaasperata(Chinesespruce).Theduplicaterelativecoefficientofthemodels,Rym,is0.6888,Rymtvalueis11.0804.ThroughRymttest,t0.05=1.98tactualvalue.Andthesitequalityevaluationtableandsitequalitygradeevaluationtablearemade,whicharecapabletodirectlypredictthenon-woodlandproductivitycapacityandthegrowthimpression.KeywordsNaturalforestofPiceaasperata,Quantitativetheory,Siteconditionqualityevaluation(ReceivedMarch11,2005;revisedApril27,2005)1,273%5%,328400,1200m2,()(),55,[17],14*Tab.1ThefourproductivitycapacityindexandthetypicalpertinentanalysisofPiceaasperataCanonicalanalysisCoefficientofcanon-icalcorrelationCanonicalfunction0.8621*^u1=0.1243X1-0.0040X2+0.060X3-0.0035X4+0.0046X5+0.0950X6+0.0890X7+0.0369X8+0.0900X9+0.0057X10+0.0510X11^v1=0.0490y1-0.0050y2+0.0010y3-0.0050y40.2879^u2=0.0380X1-0.002X2+0.052X3-0.009X4+0.020X5+0.026X6+0.052X7+0.042X8+0.030X9-0.006X10-0.049X11^v2=0.027y1-0.005y2-0.018y3-0.015y4*X1,X2,X3,X4,X5,X6,X7,X8,X9,X10,X11,y1,y2,y3,y4142Vol.14No.220064ChineseJournalofEco-AgricultureApril,20064,,1,,,,,,,,()()2():Yi=mi=1rck=1Cjki(jk)(1),Yi,Cjk,i(jk),i(jk)=1(iXik)0()2*Tab.2ThedifferentiatingstandardsofthesiteconditionfactoritemsandcategoriesofPiceaasperataSequenceItemsKindParameterPartitionstandard1X11X122/mX2128003000X2230013250X2332503/()X31615X321625X332535X3436454X41(135180225)X42,(90135,225270)X43,(4590,270135)X44(045,315360)5X51X52X536/cmX6140X624080X63807/cmX711020X7220X73108**X81X82X839/gcm-3X911.3X921.11.3X930.81.110X101X102X10311X111X112X113X114*();**,:Yi=13.9983i(11)+11.9317i(12)+0i(21)+0.9933i(22)-0.2547i(23)+0i(31)+1.5711i(32)+1.0555i(33)+0.8189i(34)+0i(41)+0.8376i(42)+1.6103i(43)+1.59649i(44)+0i(51)+0.0983i(52)-0.6167i(53)+0i(61)+1.5270i(62)+1.9043i(63)+0i(71)+0.4308i(72)-0.0430i(73)+0i(81)+2.3476i(82)+2.0421i(83)+0i(91)+0.1922i(92)+1.9573i(93)+0i(101)+0.1656i(102)+0.0348i(103)+0i(111)-0.8990i(112)-2.0123i(113)-2.9273i(114),(3)2ttt:t=Rymn-m-11-R2ym(2)2:1553*Tab.3TheevaluationtableofthemultifactorquantitativesitequalityofPiceaasperataItemsSubitemsScoreScorerangePartialcorrela-tioncoefficientttvalueVarianceratio(X1)(X11)13.9983(X12)11.9317(X2)28003000m(X21)030013200m(X22)0.99333200m(X23)-0.2547(X3)(X31)0(X32)1.5711(X33)1.0555(X34)0.8189(X4)(X41)0(X42)0.8376(X43)1.6103(X44)1.5964(X5)(X51)0(X52)0.0983(X53)-0.6167(X6)(X61)0(X62)1.5270(X63)1.9043(X7)(X71)0(X72)0.4308(X73)-0.0430(X8)(X81)0(X82)2.3476(X83)2.0421(X9)(X91)0(X92)0.1922(X93)1.9573(X10)(X101)0(X102)0.1656(X103)0.0348(X11)(X111)0(X112)-0.8990(X113)-2.0123(X114)-2.92732.06660.34524.28900.10711.24800.20902.49240.02911.57110.07190.84070.00141.61030.26113.15430.04150.71500.13561.59610.01071.90430.16681.97280.01910.47380.19512.31980.02812.34760.37794.76000.14401.95730.26033.14400.06410.16560.03540.41310.00072.92730.25933.13100.0471*Rym=0.6888,Rymt=11.0804,S=2.16883,tt0.05=1.98,t0.05t,(2)()t,3ruXuXuYi,tu,tu2;tu1;tu13,,4Tab.4ThedistributionoftherelativevalueofthesampleplotremainsofPiceaasperataItemsMidpointoferror051015202530/%2.52.57.47.512.412.517.417.522.422.527.427.532.4255446181042/%15.7233.9628.9311.326.292.531.25/%15.7249.6878.6189.9396.2298.75100.00,(Ei):Ei%=Yi-Y^iYi100(3)Ei,5%15614,(4)47.5%12.5%17.5%49.68%78.61%89.93%80%Ei20%,15m,5567.30%2m,86.17%5Tab.5ThedistributiontimeoftheremnantabsolutevalueofthesampleplotofPiceaasperataItems/mLimitoferror1234511.122.133.144.15119630148/%6.9260.3818.878.815.02/%6.9267.3086.1794.98100.003m,,,6()Tab.6Thequalityevaluationgradetable(siteindex)ofthesprucequantita-tivesiteconditioninalpineareasnorthwestofSichuan,ChinaItemsSitequalitygrade22.8925.9919.7922.8816.6919.7813.5916.6810.4913.58(6),,Xi11,5,5,()()()()(),1200m2,,;,(),,,,,3000m3060cm15cm1.0g/cm3,3,^y=13.9983+0+1.0555+1.6103+1.5270+2.0421+1.9573+0+0=22.1905m,,^y=10.0215+0.5500+0.0015-0.0638+0.1070+0.0640+1.0952+0.6432+0.0980+0.2185+0.0738+0.651023,^y=10.0215+0.554+30000.0015-0.063830+0.10704+0.0642+1.09522+0.64322+0.09892+0.21851+0.07382+0.65105=22.6574m0.4669m,2,,,,,,,1,,,,(2),(),,13.59m,2:157,t,,,,,,,,,1..:,19892,..,1986,7(3):10163..,1991,10(3):4960414()..,1983(19):2462545..,1963,8(4):3213356,...:,19927,..,1988,9(1):152115814