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林业资源管理 ›› 2023, Vol. 0 ›› Issue (1): 62-70.doi: 10.13466/j.cnki.lyzygl.2023.01.008

• 科学研究 • 上一篇    下一篇

濒危植物景宁木兰分布特征及其与生境土壤性质的关联分析

邬宇峰1(), 徐建恩2, 申亚梅1, 石从广3(), 任明杰1, 仇建习4, 叶珊4, 胡伟4   

  1. 1.浙江农林大学 风景园林与建筑学院,杭州 311300
    2.丽水市莲都区峰源林业工作中心站,浙江 丽水 323000
    3.浙江省林业科学研究院,杭州 310023
    4.丽水市莲都区生态林业发展中心,浙江 丽水 323000
  • 收稿日期:2022-11-21 修回日期:2023-01-17 出版日期:2023-02-28 发布日期:2023-05-05
  • 通讯作者: 石从广(1981-),男,浙江杭州人,副研究员,博士,主要研究方向为林木遗传育种。Email:419782450@qq.com
  • 作者简介:邬宇峰(1999-),男,浙江宁波人,硕士研究生,主要研究方向为园林植物与观赏园艺。Email:1908175815@qq.com
  • 基金资助:
    浙江省林业科学研究院科研横向“景宁木兰珍稀濒危野生植物保护繁育研究”(2021HX006)

Distribution Characteristics of the Endangered Plant Magnolia sinostellata and its Correlation Analysis with Habitat Soil Properties

WU Yufeng1(), XU Jianen2, SHEN Yamei1, SHI Congguang3(), REN Mingjie1, QIU Jianxi4, YE Shan4, HU Wei4   

  1. 1. College of Landscape Architecture,Zhejiang A&F University,Hangzhou 311300,China
    2. Lishui Liandu Fengyuan Forestry Work Station,Lishui,Zhejiang 323000,China
    3. Zhejiang Academy of Forestry,Hangzhou 310023,China
    4. Lishui Liandu Ecological Forestry Development Center,Lishui,Zhejiang 323000,China
  • Received:2022-11-21 Revised:2023-01-17 Online:2023-02-28 Published:2023-05-05

摘要:

以位于浙南山区的丽水市莲都区峰源乡为研究地点,调查濒危植物景宁木兰(Magnolia sinostellata)的种群分布情况,采集生境土壤样品测定理化指标,并采用灰色关联分析法探讨土壤性质对景宁木兰分布特征的影响。结果表明:景宁木兰主要分布在公益林,萌生能力极强,但大部分植株的每丛萌条数量不多;分布区生境土壤pH均值4.96,含水率极低,有机质丰富,有效磷明显不足,上层植被不是影响居群间土壤性质差异的唯一因素;关联分析显示,景宁木兰的分布情况和生境土壤的pH值、有效磷和速效钾3个理化指标关联密切,其中pH值的影响程度最高,与景宁木兰植株数关联度最大的是中土层有效磷含量,与平均每丛萌条数关联度最大的是表土层pH值。

关键词: 景宁木兰, 分布, 萌条, 生境土壤, 灰色关联度分析

Abstract:

In this research,the population distribution of Magnolia sinostellata was studied in Fengyuan Township,Liandu District,Lishui City,southern Zhejiang Province.Soil samples were collected to determine physicochemical properties,and the effects of soil properties on the distribution of Magnolia sinostellata were studied by grey correlation analysis.The results showed that Magnolia sinostellata was mainly distributed in public welfare forests,the germination ability was very strong,but most of the plants had a small number of sprouts per cluster.The mean habitat soil pH value was 4.96,the moisture content was very low,the organic matter was rich,and the available phosphorus was significantly insufficient.The upper vegetation wasn’t the only factor affecting soil property differences among populations.Correlation analysis showed that the distribution of Magnolia sinostellata was closely related to soil pH value,available phosphorus and rapidly available potassium.Among them,pH value had the highest correlation.The content of available phosphorus in the middle soil layer was the most correlated with the number of plants (clusters) of Magnolia sinostellata,and the pH value in the topsoil layer was the most correlated with the average number of sprouts per cluster.

Key words: Magnolia sinostellata, distribution, sprouts, habitat soil, grey correlation analysis

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