不同地区乌冈栎群落物种多样性的比较分析
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摘要
乌冈栎群落是广泛分布于中国亚热带山地的硬叶常绿阔叶林,在植物区系学、植物生态学和古植物学方面有极为重要的研究价值.基于群落中物种丰富度、多样性指数、均匀度指数和群落优势度的测定,对5个地区的乌冈栎群落多样性进行了比较分析,并就环境因子对多样性的影响进行了探讨.结果表明:不同地区乌冈栎群落的多样性表现为灌木层>乔木层,乔木层的均匀度高于灌木层,各指数均能较好地反映群落的物种分布情况.物种多度分布模型表明,各地乌冈栎群落乔木层均表现为对数级数分布,而灌木层少数地区表现为几何级数分布.皮尔森相关性分析表明影响群落物种多样性的关键性因子是温度.
Quercus phillyraeoides community is one kind of evergreen sclerophyllous forests distributing widely in the subtropic mountains of China,which has very important value in studying on flora,ecology and paleobotany.Based on the field investigation,the species diversity of Quercus phillyraeoides communities in 5 districts was comparatively analyzed by means of species richness,diversity indices,evenness index and community dominance,and the relationship between diversity and environmental factors was discussed.The results showed that shrub layer had higher diversity than tree layer in different communities,and tree layer had better evenness by the value of Alatato.All of the indices could indicate the condition of the diversity.The model of abundance distribution indicated that the species distributions of tree layers were log series and several of shrubs were geometric.Pearson correlation between diversity indices and main environmental factors indicated that temperature was the key factor to impact the community diversity.
Quercus phillyraeoides community is one kind of evergreen sclerophyllous forests distributing widely in the subtropic mountains of China,which has very important value in studying on flora,ecology and paleobotany.Based on the field investigation,the species diversity of Quercus phillyraeoides communities in 5 districts was comparatively analyzed by means of species richness,diversity indices,evenness index and community dominance,and the relationship between diversity and environmental factors was discussed.The results showed that shrub layer had higher diversity than tree layer in different communities,and tree layer had better evenness by the value of Alatato.All of the indices could indicate the condition of the diversity.The model of abundance distribution indicated that the species distributions of tree layers were log series and several of shrubs were geometric.Pearson correlation between diversity indices and main environmental factors indicated that temperature was the key factor to impact the community diversity.
引文
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[3]王永健,陶建平,彭月.陆地植物群落物种多样性研究进展[J].广西植物,2006,26(4):406-411.
[4]刘平,秦晶,刘建昌,等.桉树人工林物种多样性变化特征[J].生态学报,2011,31(8):2227-2235.
[5]许彬,张金屯,杨洪晓,等.百花山植物群落物种多样性研究[J].植物研究,2007,27(1):112-118.
[6]雪梅,曲建升,李延梅,等.生物多样性国际研究态势分析[J].生态学报,2010,30(4):1066-1073.
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[8]Pearman P B,Weber D.Common species determine richness patterns in biodiversity indicator taxa[J].Biological Conservation,2007,138(1/2):109-119.
[9]Plumptre A J,Davernport T R B,Mathias B,et al.The biodiversity of the Albertine Rift[J].Biological Conservation,2007,134(2):178-194.
[10]Linse K,Griffiths H J,Barnes D K A,et al.Biodiversity and biogeography of Antarctic and sub-Antarctic mollusca[J].Topi-cal Studies in Oceanography,2010,53(8/9/10):985-1008.
[11]张立敏,陈斌,李正跃.应用中性理论分析局域群落中的物种多样性及稳定性[J].生态学报,2010,30(6):1556-1563.
[12]李文杰,张时煌.GIS和遥感技术在生态安全评价与生物多样性保护中的应用[J].生态学报,2010,30(23):6674-6681.
[13]Myers N,Mittermeier A R.Biodiversity hotspots for conservation priotities[J].Nature,2000,403:853-858.
[14]谢春平,方彦,方炎明.乌冈栎种群数量动态分析[J].四川农业大学学报,2010,28(4):438-448.
[15]李进,陈可咏,李渤生.不同海拔高度川滇高山栎群体遗传多样性的变化[J].植物学报,1998,40(8):761-767.
[16]Margalef D R.Information theory in ecology[J].General Systems,1958,3:36-71.
[17]Magurran A E.Ecological Diversity and Its Measurement[M].New Jersey:Princeton University Press,1988:1-198.
[18]Alatalo R V.Problems in the measurement of evenness inecology[J].Oikos,1981,37:199-204.
[19]王周平,李旭光,石胜友,等.缙云山森林林隙与非林隙物种多样性比较研究[J].应用生态学报,2003,14(1):7-10.
[20]高润梅,郭晋平,郭跃东,等.文峪河上游河岸林的群落结构与多样性特征[J].林业科学研究,2011,24(1):74-81.
[21]马丹炜,邹琴.青城山森林群落的数量分类[J].四川师范大学学报:自然科学版,2003,26(1):74-78.
[22]贺金生,陈伟烈.陆地植物群落物种多样性的梯度变化特征[J].生态学报,1997,17(1):91-99.
[23]金则新.浙江天台山甜槠群落物种多样性[J].生态学杂志,2002,21(3):1-4.
[24]王娟,杜凡.大围山山地雨林乔木层物种多度分布格局研究[J].西南林学院学报,2006,26(1):1-5.
[25]李振基,刘初钿,杨志伟,等.武夷山自然保护区郁闭稳定甜槠林与人为干扰甜槠林物种多样性比较[J].植物生态学报,2000,24(1):64-68.
[26]金则新.浙江天台山七子花群落与其他森林群落物种多样性比较[J].浙江师范大学学报:自然科学版,2003,26(3):270-274.