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天宝岩竹阔混交林毛竹及其伴生树种生态位的研究

周亚琦 官凤英 范少辉 刘广路 夏明鹏 涂年旺

周亚琦, 官凤英, 范少辉, 刘广路, 夏明鹏, 涂年旺. 天宝岩竹阔混交林毛竹及其伴生树种生态位的研究[J]. 北京林业大学学报, 2017, 39(7): 46-53. doi: 10.13332/j.1000-1522.20170061
引用本文: 周亚琦, 官凤英, 范少辉, 刘广路, 夏明鹏, 涂年旺. 天宝岩竹阔混交林毛竹及其伴生树种生态位的研究[J]. 北京林业大学学报, 2017, 39(7): 46-53. doi: 10.13332/j.1000-1522.20170061
ZHOU Ya-qi, GUAN Feng-ying, FAN Shao-hui, LIU Guang-lu, XIA Ming-peng, TU Nian-wang. Niche characteristics of Phyllostachys edulis and its associated tree species in Tianbaoyan bamboo and broadleaved mixed forest[J]. Journal of Beijing Forestry University, 2017, 39(7): 46-53. doi: 10.13332/j.1000-1522.20170061
Citation: ZHOU Ya-qi, GUAN Feng-ying, FAN Shao-hui, LIU Guang-lu, XIA Ming-peng, TU Nian-wang. Niche characteristics of Phyllostachys edulis and its associated tree species in Tianbaoyan bamboo and broadleaved mixed forest[J]. Journal of Beijing Forestry University, 2017, 39(7): 46-53. doi: 10.13332/j.1000-1522.20170061

天宝岩竹阔混交林毛竹及其伴生树种生态位的研究

doi: 10.13332/j.1000-1522.20170061
基金项目: 

林业公益性行业科研专项 201404408

详细信息
    作者简介:

    周亚琦,博士生。主要研究方向:森林培育。Email:zhouyaqi_@126.com  地址:100102  北京朝阳区阜通东大街8号国际竹藤中心

    责任作者:

    范少辉,研究员。主要研究方向:森林培育。Email: fansh@icbr.ac.cn  地址:同上

  • 中图分类号: S718.5; S795

Niche characteristics of Phyllostachys edulis and its associated tree species in Tianbaoyan bamboo and broadleaved mixed forest

  • 摘要: 研究竹阔混交林中毛竹与伴生树种间生态关系,寻找适宜混交比例,从生态位角度为竹阔混交林优化经营提供依据。采用样方法对天宝岩自然保护区的竹阔混交林进行群落调查,以不同混交比的竹阔混交林作为不同资源位,运用Levins和Shannon生态位宽度指数、生态位重叠指数、生态位相似性比例指数,分别测定并分析竹阔混交林乔木层与更新层各树种间的生态位特征。结果表明:1)Levins和Shannon生态位宽度指数反映情况一致;栲树、米锥、拟赤杨作为毛竹优势伴生树种,其重要值和生态位宽度都很大,生态适应能力强,对群落结构的变化起着重要作用。2)各树种间生态位相似性比例不高,对毛竹的生态位重叠指数也不高,除了栲树生态位重叠指数Lhi值为0.509,其余树种Lhi值均小于0.5,说明毛竹与大多数树种存在较大的生态异质性与资源利用差异性,彼此间可形成稳定的共生关系。3)整体上常绿树种较落叶树种的生态位宽度大,对毛竹的生态位重叠也相对较大,当毛竹所利用的资源不足时,也更易对其造成潜在的竞争。4)竹阔混交林混交比在15%~20%时,毛竹的密度和地上生物量最大;当混交比过大时,毛竹逐渐失去群落中的优势地位,它与阔叶树形成的共生协同关系更多转变为了竞争关系。

     

  • 表  1  不同样方的基本概况

    Table  1.   Basic information in different plots

    样地号
    Sample plot No.
    混交比
    Mixing ratio/%
    坡度
    Slope degree/(°)
    坡向
    Slope aspect
    坡位
    Slope position
    海拔
    Altitude/m
    毛竹平均胸径
    Mean DBH of Moso bamboo/cm
    毛竹平均树高
    Mean tree height of Moso bamboo/m
    毛竹密度/(株·hm-2)
    Bamboo density/(plant·ha-1)
    毛竹地上生物量/(kg·hm-2)
    AGB/(kg·ha-1)
    15~1034阳Sunny中Middle71310.67±5%12.40±4%3 206±8%51 924±6%
    210~1535阳Sunny中Middle78811.43±2%12.95±1%3 313±4%63 608±6%
    315~2021阳Sunny中Middle77410.71±4%12.43±3%4 125±10%69 594±4%
    420~2528阳Sunny中Middle81010.84±2%12.52±1%3 481±9%60 378±8%
    525~3030阳Sunnyt中Middle79511.01±4%12.68±1%2 794±11%45 057±9%
    630~3529阳Sunny中Middle71210.38±3%12.17±2%3 006±5%43 189±10%
    735~4024阳Sunny中Middle87110.91±5%12.60±4%2 581±6%40 714±8%
    840~4520阳Sunny上Up83910.42±5%12.20±1%1 569±3%22 552±3%
    945~5035阳Sunny上Up63111.38±6%12.96±7%2 175±1%36 607±10%
    1050以上33阳Sunny中Middle87210.90±6%12.57±2%1 563±4%20 815±10%
    注:表内毛竹指标数据是3个重复样方的平均值,基于平均值的变化幅度用百分比表示。Notes: index data for the bamboo are the average of three repeats, the average change is expressed in percentage. AGB is the aboveground biomass of Moso bamboo.
    下载: 导出CSV

    表  2  竹阔混交林各树种的重要值和生态位宽度

    Table  2.   Important values and niche breadth of tree species in bamboo and broadleaved mixed forest

    种号
    Species No.
    种名
    Species name
    重要值
    Important value
    占资源位百分比
    Percentage of resources/%
    B(sw)iB(L)i生态位排名
    Niche rank
    1毛竹Phyllostachys edulis59.6121000.2290.9761
    2米锥Castanopsis chinensis9.060800.1910.6023
    3拟赤杨Alniphyllum fortunei4.550700.1910.6492
    4栲树Castanea henryi3.709700.1740.5345
    5香樟Cinnamomum camphora3.196700.1870.5964
    6枫香Liquidambar formosana3.179600.1660.4728
    7檫木Sassafras tzumu3.092600.1730.4996
    8杨梅Myrica rubra2.813700.1670.4797
    9酸枣Choerospondias axillaris2.730500.1340.30610
    10楠木Phoebe zhennan1.524300.0950.22612
    11山茶Camellia japonica1.312500.1590.4069
    12木荷Schima superba1.247300.0970.23911
    13小叶栎Quercus chenii0.694100.0000.10016
    14青冈栎Cyclobalanopsis glauca0.569200.0610.17115
    15梧桐Firmiana platanifolia0.516200.0650.18514
    16漆树Toxicodendron vernicifluum0.439100.0000.10017
    17野柿Diospyros kaki var. silvestris0.422200.0690.20013
    18土玉桂Neolitsea levinei0.286100.0000.10018
    19红豆杉Taxus chinensis0.255100.0000.10019
    20合欢Albizia julibrissin0.220100.0000.10020
    21杜鹃Rhododendron simsii0.216100.0000.10021
    22毛樱桃Cerasus tomentosa0.183100.0000.10022
    23黄檀Dalbergia hupeana0.176100.0000.10023
    下载: 导出CSV

    表  3  竹阔混交林各树种间的生态位重叠

    Table  3.   Niche overlap between tree species in bamboo and broadleaved mixed forest

    种号
    Species No.
    Lhi
    123456789101112
    Lih10.0530.0670.0500.0570.0480.0530.0420.0280.0260.0410.021
    20.0870.0440.0480.0660.0300.0610.0470.0290.0100.0720.040
    30.1010.0400.0710.0520.0600.0500.0170.0440.0180.0380.014
    40.0980.0580.0930.0490.0330.0560.0220.0280.0160.0310.011
    50.0930.0650.0560.0410.0550.0470.0320.0270.0090.0600.033
    60.1000.0380.0820.0340.0700.0630.0210.0350.0060.0390.029
    70.0960.0670.0600.0520.0530.0560.0210.0160.0000.0460.020
    80.1000.0690.0270.0270.0480.0240.0280.0200.0610.0430.028
    90.0890.0570.0940.0460.0530.0540.0280.0270.0270.0960.028
    100.1130.0250.0510.0350.0240.0130.0000.1100.0360.0240.000
    110.0840.0900.0520.0320.0760.0380.0510.0370.0610.0110.041
    120.0840.0990.0370.0230.0820.0560.0440.0480.0360.0000.083
    注:种号同表 2LihLhi指生态位重叠值。Note: species No. are same as Tab. 2, Lih and Lhi mean niche overlap.
    下载: 导出CSV

    表  4  竹阔混交林各树种间的生态位相似性比例

    Table  4.   Niche similarity between tree species in bamboo and broadleaved mixed forest

    种号
    Species No.
    1234567891011
    20.581
    30.7070.406
    40.5650.4890.673
    50.6340.5710.5280.392
    60.5430.3890.6000.3720.532
    70.5760.5300.5440.5150.5020.506
    80.5870.6070.3400.3310.4440.3270.315
    90.4280.3900.4950.3400.3290.3910.2780.311
    100.3320.1040.3780.2530.2010.1450.0000.4900.297
    110.4290.6910.3890.3250.5350.3520.4820.4740.6100.191
    120.2570.5090.1020.1080.4750.2550.2390.3330.2520.0000.490
    注:种号同表 2。Notes: species No. is same as Tab. 2.
    下载: 导出CSV
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出版历程
  • 收稿日期:  2017-03-20
  • 修回日期:  2017-05-04
  • 刊出日期:  2017-07-01

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