Effects of Different Disturbances on the Soil Properties of

ZHANG Jiao; XU Ming; WEN Chunyu; NIE Kun; ZHANG Jian

doi:10.13870/j.cnki.stbcxb.2021.06.019

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Effects of Different Disturbances on the Soil Properties of

更新时间：2025-03-12

- Effects of Different Disturbances on the Soil Properties of
- Vol. 35, Issue 6, Pages: 135-143(2021)
- 作者机构：
  
  贵州大学生命科学学院真菌资源研究所,贵阳,550025
- 作者简介：
- 基金信息：
- DOI：10.13870/j.cnki.stbcxb.2021.06.019
  CLC： S714.2
- Published：2021
- 稿件说明：
移动端阅览
ZHANG Jiao, XU Ming, WEN Chunyu, et al. Effects of Different Disturbances on the Soil Properties of[J]. 2021, 35(6): 135-143.
DOI：

ZHANG Jiao, XU Ming, WEN Chunyu, et al. Effects of Different Disturbances on the Soil Properties of[J]. 2021, 35(6): 135-143. DOI： 10.13870/j.cnki.stbcxb.2021.06.019.

摘要

森林土壤是森林植被生存和恢复的基础，干扰不仅影响森林土壤生物与非生物的动态变化，进而对森林生态系统的结构与功能产生重要影响。研究选取黔中地区3种干扰类型（清除凋落物、割脂和火灾）马尾松林为研究对象，并分别在每种干扰样地周边设置未干扰马尾松林样地作为对照，揭示不同干扰类型对马尾松林土壤性质的影响特征。结果表明：不同土层间马尾松林土壤性质存在显著性差异（P<0.05），主要体现在表层土壤（0—20 cm）养分含量显著高于下层土壤（20—40，40—60 cm），这表明马尾松林土壤养分具有"表聚"效应。不同干扰类型对马尾松林土壤性质存在一定显著性影响（P<0.05），割脂干扰下，马尾松林土壤的养分含量和脲酶活性升高，全磷和有效磷含量无显著性差异；清除凋落物干扰下，马尾松林土壤pH、有机碳、全氮含量和脲酶活性降低，容重、全磷、有效氮和有效磷含量无显著差异，有效钾含量和过氧化氢酶活性增加；火灾干扰下，马尾松林土壤的容重、有效钾含量和过氧化氢酶活性增加，有机碳、全氮、全磷、有效氮含量和脲酶活性则表现为下降趋势，有机碳和有效磷含量变化不显著。不同干扰类型下，土壤酶活性与化学性质存在显著相关性，表层土壤的显著相关性大于深层，脲酶活性主要与全氮和有效氮含量存在显著相关关系，过氧化氢酶活性与机碳含量存在显著相关关系。不同干扰类型下，土壤养分变异存在一定差异，pH为弱变异性，其余大部分土壤养分为中等变异性。综上，不同干扰类型对马尾松林土壤性质有较大影响，应对该地区马尾松林的利用与保护给与足够的重视，对其合理管理和利用。

Abstract

Forest soil is the basis for the survival and restoration of forest vegetation. Disturbance not only affects the dynamic changes of forest soil organism sand abiotic

but also has an important impact on the structure and function of forest ecosystem. The study selected three types of disturbance (clearing litter

resin tapping and fire) Pinus massoniana forests in central Guizhou as the research object

and set up undisturbed P. massoniana forest plots around each of the disturbance plots as the control

to reveal the influence characteristics of different disturbance types on soil properties of P. massoniana forest. The results showed that there were significant differences in the soil properties of the P. massoniana forest among different soil layers (P<0.05)

and the nutrient content of the top soil (0—20 cm) was significantly higher than that of the lower soil (20—40 cm and 40—60 cm)

which indicated that the soil nutrients of the P. massoniana forest had "surface accumulation" effect. Different disturbance types had a significant impact on the soil properties of the P. massoniana forest (P<0.05). Under the disturbance of resin tapping

soil nutrient content and urease activity increased

and there was no significant difference in contents of total phosphorus and available phosphorus. Under the disturbance of litter removal

the soil pH

organic carbon content

total nitrogen content and urease activity of the P. massoniana forest decreased

and there was no significant difference in the bulk density

total phosphorus content

available nitrogen content and available phosphorus content

while the available potassium content and catalase activity increased. Under fire interference

the bulk density

available potassium content and catalase activity of the P. massoniana forest increased

while the contents of organic carbon

total nitrogen

total phosphorus and available nitrogen

as well as urease activity showed a downward trend

while the contents of organic carbon and available phosphorus did not unchanged significantly. Under different interference types

there was a significant correlation between soil enzyme activity and chemical properties. The significant correlation in surface soil was greater than that in deep soil. Urease activity was significantly correlated with contents of total nitrogen and available nitrogen

and catalase activity was significantly correlated with organic carbon content. Under different interference types

there were certain differences in soil nutrient variability. The soil pH was weak variability

and most of the remaining soil nutrients were medium variability. In summary

different types of disturbance had a great impact on the soil properties of the P. massoniana forest. Sufficient attention should be paid to the utilization and protection of the P. massoniana forest in this area

and rational management and utilization should be given.

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