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页数:5页
时间:2019-05-26
《紫金山栓皮栎群落结构及物种多样性》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、浙江林学院学报2009,26(5):696-700JournalofZhejiangForestryCollege紫金山栓皮栎群落结构及物种多样性沈年华12113,万志洲,汤庚国,王春,程红梅(1.南京林业大学森林资源与环境学院,江苏南京210037;2.江苏省南京市中山陵管理局园林处,江苏南京210014;3.安徽省合肥植物园,安徽合肥230031)摘要:在野外调查的基础上,对南京紫金山栓皮栎Quercusvariabilis林的群落结构与物种多样性进行了研究。结果表明:紫金山栓皮栎群落植物种类丰富,有维管植物
2、63科106属127种;地理成分较为复杂,区系过渡性特征明显;群落可以分为乔木层、灌木层和草本层3个层次。灌木层的丰富度指数、Simpson指数和Shannon-Wiener指数均最大,分别为16.2857±1.0187,0.8273±0.0255和2.1742±0.1117;乔木层次之,分别为10.1429±0.9992,0.7769±0.0217,1.7939±0.0954;草本层最小,分别为5.5711±0.4654,0.6873±0.0322和1.2943±0.0795。乔木层的物种均匀度最高,灌木层次之
3、,草本层最小,分别为0.7933±0.0175,0.7822±0.0293,0.7774±0.0279。表4参11关键词:森林生态学;栓皮栎;群落结构;物种多样性;紫金山中图分类号:S718.3文献标志码:A文章编号:1000-5692(2009)05-0696-05CommunitystructureandspeciesdiversityofaQuercusvariabilisforestonMountZijinshan12113SHENNian-hua,WANZhi-zhou,TANGGeng-guo,WAN
4、GChun,CHENGHong-mei(1.CollegeofForestResourcesandEnvironment,NanjingForestryUniversity,Nanjing210037,Jiangsu,China;2.AfforestationDepartment,TheAdministrationofDr.SunYatsen’sMausoleumScenicPark,Nanjing210014,Jiangsu,China;3.HefeiBotanicalGardenofAnhui,Hefei23
5、0031,Anhui,China)Abstract:Basedonquadratsampling,communitystructureandspeciesdiversityofaQuercusvariabilisforestonMountZijinshaninNanjingwereanalyzed.Resultsshowedthattherewere63families,106gener-a,and127speciesofvascularplants.Thecommunitycouldbedividedintot
6、hreelayersoftree,shrub,andherbwithspeciesrichness(S),Simpson’s(D),andShannon-Wiener’s(H)indicesintheshrublayergreatestfollowedbythetreeandherblayers.ShrubindiceswereS=16.2857±1.0187,D=0.8273±0.0255,H=2.1742±0.1117;treeindiceswereS=10.1429±0.9992,D=0.7769±0.02
7、17,H=1.7939±0.0954;andherbindiceswereS=5.5711±0.4654,D=0.6873±0.0322,H=1.2943±0.0795.Theevenness(J)indicesofthetreelayerwerelargest(0.7933±0.0175),whilethoseoftheshrub(0.7822±0.0293)andherblayers(0.7774±0.0279)followed.Overallthefloristicinterimswereobviouswi
8、thabundantspeciesdiversityinthiscommunityofmixedvascularplants.[Ch,4tab.11ref.]Keywords:forestecology;Quercusvariabilis;communitystructure;speciesdiversity;MountZijinshan栓皮栎Quercusvariabi
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