岳麓山马尾松生态位分析

生态学杂志

岳麓山马尾松生态位分析

张克荣^1,2,3;刘应迪¹;朱晓文¹;张全发²;彭驰¹

¹湖南师范大学生命科学学院，长沙 410081; ²中国科学院武汉植物园，武汉 430074;³中国科学院研究生院，北京 100049

收稿日期:2008-03-26 修回日期:1900-01-01 出版日期:2009-02-10 发布日期:2009-02-10

Niche analysis of Pinus massoniana in Yuelu Mountain of Hunan Province, China.

ZHANG Ke-rong^1,2,3;LIU Ying-di¹;ZHU Xiao-wen¹;ZHANG Quan-fa²;PENG Chi¹

¹College of Life Science, Hunan Normal University, Changsha 410081, China;²Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074, China;³Graduate University of Chinese Academy of Sciences, Beijing 100049, China

Received:2008-03-26 Revised:1900-01-01 Online:2009-02-10 Published:2009-02-10

摘要/Abstract

摘要： 在调查岳麓山植被的基础上，分析了马尾松（Pinus massoniana）群落乔木层和灌木层中主要种群的生态位宽度、生态位重叠及马尾松种群的年龄结构。结果表明：1）乔木层马尾松生态位宽度最大，灌木层中马尾松生态位宽度最小;2）马尾松年龄结构为衰退型;3）生态位和种群年龄结构表明，岳麓山马尾松虽然是乔木层的优势种，但更新严重不良，表现出强烈消退趋势;4）乔木层中与马尾松生态位重叠较大的种为樟（Cinnamomum camphora）、枫香（Liquidambar formosana）、四川山矾（Symplocos setchuensis）、冬青（Ilex crenata）、檵木（Cyclobalanopsis glauca）等，灌木层中栲(Castanopsis fargesii)和苦槠(Castanopsis sclerophylla)与马尾松生态位重叠最大。

关键词: 低温, 弱光, PI值, 超氧化物歧化酶, 愈创木酚过氧化物酶, 丙二醛

Abstract: Based on the plot investigation data of Yuelu Mountain, a scenic site in South China, the niche breadth and niche overlap of the main plant species in Pinus massoniana forest were measured by applying Levins and Horn indices, respectively, and the age structure of P. massoniana population was analyzed by using size class instead of age method. The results showed that the niche breath of P. massoniana was the biggest in canopy layer while the smallest in shrub layer, and the age structure of P. massoniana population represented a declining pattern. P. massoniana was one of the dominant species in canopy layer, but regenerated poor and declined intensively. The species having larger niche overlap with P. massoniana in canopy layer were Cinnamomum camphora, Liquidambar formosana, Symplocos setchuensis, Ilex crenata, Cyclobalanopsis glauca, and Loropetalum chinensis, while in shrub layer were Castanopsis fargesii and C. sclerophylla.

Key words: Chilling, Low light, PI, SOD, POD, MDA

张克荣;刘应迪;朱晓文;张全发;彭驰. 岳麓山马尾松生态位分析[J]. 生态学杂志.

ZHANG Ke-rong^1,2,3;LIU Ying-di¹;ZHU Xiao-wen¹;ZHANG Quan-fa²;PENG Chi¹. Niche analysis of Pinus massoniana in Yuelu Mountain of Hunan Province, China.[J]. cje.

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