秦岭中段华北落叶松人工林演替动态.pdf

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1、2j』林、科lf．5()．、0l42川SCIENr1ASI】VAlSINI《AEI(I．．2010．1I707／j1001—7488．20140203秦岭中段华北落叶松人工林演替动态术柴宗政王得祥。郝亚中张丽楠朱红燕张丛珊(I．北农林科技大林学院畅凌712O0；2陕阿省0东林业局安710000)摘要：探讨秦岭中段中低海拔及_fJ高海拔地带l8～48，1华北落叶忪人J二林的演替趋势，提m十}{应经什策略站粜丧叫：中低海拔地带华北落叶松人林的演件趋于冉为华北落叶松人工纯林一华北落叶松+锐怀+菏橱l+野卡丧桃+漆树针_】糊混交林～+锐栎+野卡发桃+漆卡时阔II昆交顶级群落，经营策略为

2、经济设益态效箍许，采『f1近r1然森林经营技术将营建成以华北落叶松述群种，锐栎、漆树和野核桃为伴牛种的片龄、复混交林；l{1商海拔地带华北落叶松人T林的演替趋势为北落叶松人1纯林一华北落I叶松+华lh桧+伴"阕交林一匕I【J松+红桦+云杉(含青杆)／巴Ill冷杉引阔交林一杉(肯忏)／巴⋯冷杉的顶级舯落．绎策吣为啦虹换树种，遵循然演替趋骆，通过人为r预JJI】快IfiJ云杉(含青忏)或巴【J』冷杉顶级甘羊的演替进弹关键词：蘩岭叶1段；华北落叶忪；森林演替；经营策略；中图分类号：s718．55文献标识码：A文章编号：l00l一7488(20l4)()2一()O】4～()8Succe

3、ssionDynamicsofLarixprincipis-rupprechtiiPlantationinIntermediateSectionofQinlingMountainsChaiZongzhenggang1)exiang‘HaoYazhong!ZhangLinanZhuHongyan。ZhangCongshan(1Colleger，Fores!r,Yorlhuest4&b’Inilersil、}'angling7I2100：2．Aing,h,,~rgFor~str)Btre(Ht．5ha,u~viI'rm’inrt，Vi'an710000)Abstract：Inthi

4、spapm’．weimestigatedthesuccessionternlency(If18—48一veal’一oldLarixprinf。il,is—rUl,l,redttiiplanlationsinmi~I—lowahitttdeandmid—highaltittl(tedistricts．ttndpt()pose(1the(()I‘resp()n(1ingnlarlagethe[itsit’at(gies．The1esnhssht)wP‘tthat：thesueeessiontendencyofL．primtilts—Hq>l>rechtiiplantatf1)nsi

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6、‘．acttleserrata+Jug&nscatha)etlsis+ToxicodendronI；eFlli(’iflum．Thenltlnagementraleg}paidequalattentiontoeeonomit‘benefitandecologicalbenefit．Theelose—to—naturefoI’estmanagelnenttechmdogywasusedtobuihlthediferentage，stt‘atifiedmixedforestsinwhich／J．1n‘incipis—rut,pre(htiiwasdominanl)ecies；And

7、Qller(。llSalienavar．acuteserrata+Juglanseatha)ensis+ToxicodendronI)eFllici／zlllLlllWeFe~lSSO(、iale(1species．T}1SliteessionleⅢleneyf)，，J．prillcipis—rulIpre~htiiplantationsinmid—highahitu(Jedist~’letwo[ridbetheptlre，．1lrincipi．s—rut,prechtii“'rPsts～÷