小叶红豆群落主要树种的种间关系及群落稳定性

doi:10.13287/j.1001-9332.202502.003

应用生态学报 ›› 2025, Vol. 36 ›› Issue (2): 427-436.doi: 10.13287/j.1001-9332.202502.003

小叶红豆群落主要树种的种间关系及群落稳定性

李珂佳¹, 蔡晨¹, 阮广鸣², 凌书伟¹, 潘标志³, 周家贵⁴, 刘金福¹, 郑世群^1*

¹福建农林大学林学院/菌草与生态学院/碳中和学院, 福州 350002;
²龙岩市园林绿化中心, 福建龙岩 364000;
³福建省林业调查规划院, 福州 350003;
⁴上杭县林业局, 福建龙岩 364200

收稿日期:2024-10-09 接受日期:2024-12-01 出版日期:2025-02-18 发布日期:2025-08-18
通讯作者: *E-mail: fjzsq@126.com
作者简介:李珂佳, 女, 2000年生, 硕士研究生。主要从事野生植物保护与利用研究。E-mail: lkj200014@163.com
基金资助:
福建省特色林木种质资源评价与监测信息应用项目(2021FKJ17)和2023年龙岩城区公园绿地日常维护改造(含应急抢险)工程项目([350801]LYCG[CS]2023015)

Interspecific association of main tree species in Ormosia microphylla community and its community stability.

LI Kejia¹, CAI Chen¹, RUAN Guangming², LING Shuwei¹, PAN Biaozhi³, ZHOU Jiagui⁴, LIU Jinfu¹, ZHENG Shiqun^1*

¹College of Forestry/College of Juncao Science and Ecology/College of Carbon Neutrality, Fujian Agriculture and Forestry University, Fuzhou 350002, China;
²Longyan City Landscaping Center, Longyan 364000, Fujian, China;
³Forest Investigation and Planning Institute of Fujian Province, Fuzhou 350003, China;
⁴Forestry Bureau of Shanghang County, Longyan 364200, Fujian, China

Received:2024-10-09 Accepted:2024-12-01 Online:2025-02-18 Published:2025-08-18

摘要/Abstract

摘要： 本文研究古田会议会址风水林中濒危物种小叶红豆群落的种间关系。结果表明: 群落中乔木层主要树种有新木姜子、木荷、米槠等,灌木层主要树种有变叶树参、栲、狗骨柴等。在乔木层中,小叶红豆生态位宽度为21.04,与主要树种的生态位重叠较低;乔木层主要树种的方差比率和统计量分别为0.77和59.57,乔木层总体联结性为无显著联结性,χ²检验中不显著种对数为101对,正负联结种对数比值为1∶1.18,种间联系较弱。在灌木层中,小叶红豆生态位宽度为21.60,与灌木层树种之间存在较高的生态位重叠;灌木层主要树种的方差比率和统计量分别为1.80和138.68,灌木层总体联结性为显著正联结,χ²检验中显著种对数为107对,正负联结种对数比值为1∶0.09,种间竞争较强。群落乔木层和灌木层的欧式距离分别为6.40和4.91,表明群落灌木层相较于乔木层处于更稳定状态。在灌木层中,小叶红豆与其他主要树种之间存在紧密联系,但由于生长环境中激烈的资源竞争,尤其是受群落中优势种的影响,小叶红豆在成长为乔木的过程中并未能占据主导地位。亟需采取人工干预措施,实施就地保护策略。

关键词: 小叶红豆, 生态位, 种间联结, 群落稳定性, 风水林

Abstract: We investigated the interspecific relationships of Ormosia microphylla community in geomantic forest of Gutian Meeting site. The results showed that the main tree species in the arbor layer included Neolitsea aurata, Schima superba, Castanopsis carlesii, etc. while that in the shrub layer included Dendropanax proteus, Castanopsis fargesii, Diplospora dubia, etc. In the arbor layer, the niche breadth of O. microphylla was 21.04, and its niche overlap with the main tree species was low. The variance ratio and statistics of the main tree species in arbor layer were 0.77 and 59.57, respectively, indicating no significant association in arbor layer. In the χ² test, there were 101 pairs of non-significant species pairs, and the logarithm ratio of positive and negative association species was 1: 1.18, indicating that the interspecific association was weak. In the shrub layer, the niche breadth of O. microphylla was 21.60. There was a high niche overlap between the main tree species in the shrub layer. The variance ratio and statistics of the shrub layer main tree species were 1.80 and 138.68, respectively, indicating significantly positive overall association in shrub layer. In the χ² test, there were 107 pairs of significant species pairs, and the logarithm ratio of positive and negative association species was 1:0.09, indicating that the interspecific competition was strong. The Euclidean distances for the arbor and shrub layers were 6.40 and 4.91, respectively, suggesting the shrub layer was more stable than the arbor layer. In the shrub layer, there was a close relationship between O. microphylla and other main tree species. Due to intense resource competition, especially among the dominant species in the community, O. microphylla failed to achieve a dominant position as it grew into a mature tree. Therefore, there was an urgent need to implement artificial intervention measures and in-situ conservation strategies.

Key words: Ormosia microphylla; niche; interspecific association; community stability; geomantic forest

李珂佳, 蔡晨, 阮广鸣, 凌书伟, 潘标志, 周家贵, 刘金福, 郑世群. 小叶红豆群落主要树种的种间关系及群落稳定性[J]. 应用生态学报, 2025, 36(2): 427-436.

LI Kejia, CAI Chen, RUAN Guangming, LING Shuwei, PAN Biaozhi, ZHOU Jiagui, LIU Jinfu, ZHENG Shiqun. Interspecific association of main tree species in Ormosia microphylla community and its community stability.[J]. Chinese Journal of Applied Ecology, 2025, 36(2): 427-436.

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小叶红豆群落主要树种的种间关系及群落稳定性

Interspecific association of main tree species in Ormosia microphylla community and its community stability.

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