| 摘要: |
| 以在 2008 年特大冰雪灾害中受到严重损伤的广东天井山米老排（Mytilaria laosensis）人工林
为研究对象，通过人工锯断受损树干获得不同直径和高度残桩，于处理 4 年后调查每桩上所有萌枝的数
量、存活情况、基径和高度。结果表明：米老排具有较强的萌枝再生能力，每桩平均产生萌枝 29.2 个，4
年后萌枝存活率为 45.5%，每桩萌枝基径平均为 2.5 cm，优势萌枝基径为 6.2 cm，每桩萌枝高度平均为
2.6 m，优势萌枝高度 5.7 m，基本恢复成萌芽林。残桩直径对萌枝产生数量、存活率和生长均无明显影
响。残桩高度和萌枝数量正相关，和萌枝存活率负相关，和萌枝生长无显著相关关系。萌枝数量和萌枝
生长间存在显著负相关关系，但和优势萌枝生长间无明显相关性。 |
| 关键词: 米老排 残桩 萌枝 冰雪灾害 |
| DOI： |
| 分类号: |
| 基金项目:：中央级公益性科研院所基本科研业务费专项（RITFYWZX201504; CAFYBB2017ZX002-3）；国家自然科学基金 （31200418; 31170418）；南岭北江源森林生态系统国家定位观测研究站 |
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| Analysis on the Resprouting Characteristic of Mytilaria laosensis Residual Stump Created by Ice-snow Storm |
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Zhou Zhiping,Liu Zhifa,Zhou Guangyi and Zhao Hou-ben
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Guangdong Tianjingshan Forest Farm,Guangdong Tianjingshan Forest Farm,Research Institute of Tropical Forestry,Chinese Academy of Forestry,Research Institute of Tropical Forestry,Chinese Academy of Forestry
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| Abstract: |
| The artificial forest of Mytilaria laosensis on Tianjingshan Forest Farm in the Guangdong
Province, which was severity damaged by the severe ice-snow storm disaster happened in 2008, was selected as
research object. The residual stumps with different diameter and height were obtained by artificial sawed broken
trunk and the resprouting investigation was conducted 4 years after the treatment. The number, survival condition,
basal diameter and height of every resprout from each stump were recorded. The results showed that M. laosensis
had a rarely high resprouting ability. There were 29.2 resprouts generated from one stump in average, and the
survival rate of resprouts was 45.5% four years after the treatment. The basal diameter of resprout was 2.5 cm
and 6.2 cm for total average and dominant respectively and the height of resprout was 2.6 m and 5.7 m for total
average and dominant respectively. The stump diameter had no significant influence on the resprout number,
survival rate and growth. The stump height had positive correlation on resprout number, negative correlation on
resprout survival rate, and no significant correlation on resprout growth. Resprout number was negative correlated
with resprout growth, but had no obvious correlation with dominant resprout growth. |
| Key words: Mytilaria laosensis residual stump resprout ice-snow storm |
