[1]高传友,赵清贺,刘倩.北江干流河岸带不同植被类型土壤粒径分形特征[J].水土保持研究,2016,23(03):37-42.
　GAO Chuanyou,ZHAO Qinghe,LIU Qian.Fractal Characteristic of Soil Particle Size Under Different Vegetation Types in Riparian Zone of the Main Stream of Beijiang River[J].Research of Soil and Water Conservation,2016,23(03):37-42.
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北江干流河岸带不同植被类型土壤粒径分形特征

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 23 期数: 2016年03期 页码: 37-42 栏目: 出版日期: 2016-06-28
Title:
Fractal Characteristic of Soil Particle Size Under Different Vegetation Types in Riparian Zone of the Main Stream of Beijiang River
作者:
高传友1, 赵清贺2,3, 刘倩2,3
1. 广西职业技术学院, 南宁 530226;
2. 教育部 黄河中下游数字地理技术重点实验室, 河南 开封 475004;
3. 河南大学 环境与规划学院, 河南 开封 475004
Author(s):
GAO Chuanyou1, ZHAO Qinghe2,3, LIU Qian2,3
1. Guangxi Vocational and Technical College, Nanning 530226, China;
2. Key Laboratory of Geospatial Technology for the Middle and Lower Yellow River Regions, Ministry of Education, Kaifeng, He’nan 475004, China;
3. College of Environment and Planning, He’nan University, Kaifeng, He’nan 475004, China
关键词:
土壤粒径; 分形维数; 植被类型; 河岸带; 北江干流
Keywords:
soil particle size distribution; fractal dimension; vegetation types; riparian zone; Beijiang River
分类号:
S152.3
摘要:
结合野外调查与室内试验，以北江干流河岸带竹林、桉树林、混交林和草地土壤为对象，对比分析了不同植被类型土壤的颗粒组成与分形维数（D）特征及其与其他土壤理化性质的相关性。结果表明：北江干流河岸带土壤结构良好（D=2.79），质地均一，粒径分布均匀（粉粒、砂粒、黏粒百分比分别为40.66%，36.59%，22.75%），但随粒级增大，空间变异增强；D值与土壤颗粒组成显著相关，随黏粒和粉粒含量升高、砂粒含量降低，D值升高；不同植被类型土壤分形与颗粒组成差异明显，其中砂粒含量表现为竹林 > 混交林 > 草地 > 桉树林，D值、粉粒和黏粒含量均表现为桉树林 > 草地 > 混交林 > 竹林，竹林和桉树林对土壤结构的影响差异有显著（p < 0.05），其他植被类型影响差异不显著；D值、黏粒含量均与硝态氮（NO3--N）和全磷（TP）含量分别呈显著负相关和显著正相关（p < 0.05）关系，土壤砂粒含量与含水量（SM）呈显著负相关（p < 0.05），土壤粉粒含量只与SM呈显著正相关，另外，D值、砂粒、粉粒和黏粒含量与总有机碳（TOC）和全氮（TN）的相关性均不显著。河岸带土壤受多种因素影响，其土壤理化性质间的相互关系与其他景观差异明显。
Abstract:
Taking 4 kinds of vegetation types such as bamboo forest, eucalyptus forest, mixed forest, and grassland as research samples, we investigated the soil particle size distribution (PSD) and fractal dimension (D) characteristics as well as their relationships with other basic soil physicochemical properties based on the field survey and laboratory experiment. The results indicated that soil structure in Beijiang River riparian zone was good with D value of 2.79, soil texture was uniform, and the soil PSD was homogeneous with silt, sand, and clay contents of 40.66%, 36.59%, and 22.75%, respectively. However, spatial variation of soil particle increased with increase of soil particle size. Pearson correlation analysis indicated that D value was significantly related with PSD, namely, D value increased with increase of silt and clay contents and decrease of sand content. D value and PSD varied obviously between different vegetation types, therein, the sand content followed the order of bamboo forest > mixed forest > grassland > eucalyptus forest, while the D value, silt content, and clay content presented the same change rule, in the order of eucalyptus forest > grassland > mixed forest > bamboo forest. Moreover, ANOVA result showed that, with regarding to effect of vegetation type on soil structure, there was significant difference between bamboo forest and eucalyptus forest, while insignificant deference between other vegetation types was observed. Relationship between D value and PSD and other soil physicochemical properties showed that both D value and clay content were correlated significantly and negatively with nitrate nitrogen content (p < 0.05) and then were correlated significantly and negatively with total phosphorus content (p < 0.05). Soil sand content was significantly negatively correlated with soil moisture content at the 0.05 level, and then soil silt content was only significantly negatively correlated with soil moisture content. In addition, the correlations between D value, sand, silt, clay contents and total organic carbon and total nitrogen contents were not significant. In summary, riparian soil is influenced simultaneously by various factors, and the relationship between its physicochemical properties is significantly different from the other landscape.

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备注/Memo

收稿日期:2015-07-29;改回日期:2015-09-16。
基金项目:国家自然科学资助项目（41301197）；中国博士后科学基金资助项目（2014M550382，2015T80766）；教育部黄河中下游数字地理技术重点实验室开放基金（GTYR2013010）
作者简介:高传友(1984-),男,河南开封人,硕士,讲师,主要从事园林设计和景观生态学研究。E-mail:905136388@qq.com
通讯作者:赵清贺(1982-),男,河南开封人,博士,讲师,主要从事景观生态学研究。E-mail:zhaoqinghe@henu.edu.cn

更新日期/Last Update: 1900-01-01