%0 Journal Article %T 川西米亚罗地区暗针叶林采伐迹地早期植被演替过程的研究 %A 史立新 %A 王金夕 %A 宿以明 %A 侯广维 %J 植物生态学报 植物生态学报 %P 306-313 %D 1988 %X ?AsecondarysuccessionofvegetationonclearcutsiteswasstudiedinWesternSichuan.Thecoverageandbiomassoftrees,shrubsandherbsatdifferentstagesofsuccessionhavebeensurveyed.Theresultshowedthatthecoverageandbiomassoftreesandshrubshavechangedgreatlyinthesuccession.Aftertheforestwascut,raspberry’s(Rubusdaeus)coveragewasthegreatestduringthefirst0–15years,Redbirch’scoveragewasthegreatestduring16–29years,whilethetotalcoverageofothershrubswasgreaterthanthoseofraspberryandredbirchduring10–20years.Thefollowingempiricalformulaswithgoodfitnesshavebeenused:Ctree=0.803+2.347t1/2(r=0.88p<0.01)Cshrub=l0.481l0.392T+0.373T2(r=0.87p<0.01)Cherb=0.489+87.001/T(r=0.93p<0.01)C:biomass,kilogram/haT:timeperiod,yearAccordingtothecurves,thesuccessionofvegetationcanbedividedintofourstages:herbstage.0—3years;raspberrystage:4—10year;shrubandsmallbroad-leavedforeststage:11—20years,andsmallbroad–leavedforeststage:21—29years. %K 亚高山针叶林 %K 采伐迹地 %K 植被演替 %K 生物量 %U http://www.plant-ecology.com/CN/abstract/abstract10017.shtml