ZHOU Fujian,DAI Quanhou,NIE Linhong,et al.The Litter and Soil Characteristics of Different Vegetation Types in the Maotai Water Function Areas[J].Research of Soil and Water Conservation,2016,23(02):23-27.
茅台水源功能区不同植被类型的枯落物及土壤特征
- Title:
- The Litter and Soil Characteristics of Different Vegetation Types in the Maotai Water Function Areas
- Keywords:
- Maotai water function areas; vegetation type; soil nutrients; litter
- 分类号:
- S714.7
- 摘要:
- 运用野外调查与室内分析的方法，对茅台水源功能区几种不同植被类型下的枯落物和土壤特征进行了研究，结果表明：不同植被类型的枯落物特征存在一定差异，其中柏木林的枯落物储量、有效持水量及最大持水量均最大，而撑绿竹林枯落物储量最小、白茅草丛枯落物有效持水量及最大持水量最小；不同植被类型枯落物吸水速度均随着吸水时间增加呈幂函数关系降低。不同植被类型土壤特征中针阔混交林的土壤养分含量普遍较高，马尾松林和白栎灌丛下的土壤养分含量普遍较低；柏木林、针阔混交林土壤层的渗透能力较强，白茅草丛的渗透能力最小。
- Abstract:
- Using the methods of field investigation and indoor analysis, we examined the litter and soil characteristics of several different vegetation types in the Maotai water function areas. Results showed that there were some differences in litter characteristics for different vegetation types, in which the litter storage, effective water holding capacity and maximum water holding capacity of cedar forests were the greatest, while the litter storage of Bambusa pervariabilis×Dendrocalamopsis oldhami Shelterbelt and the effective water holding capacity and maximum water holding capacity of imperata grass were the smallest; the water absorption rates of litter for different vegetation types decreased with a power function of time. As for the soil characteristics, nutrient contents of mixed forest were generally higher, and those of pine and white oak thickets were lower; the permeability of soil layer in cedar forests and mixed forest were stronger while that of imperata grass was the weakest.
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备注/Memo
收稿日期:2014-09-26;改回日期:2015-09-21。
基金项目:贵州茅台科技联合基金（黔科合茅科联字[2009]7007）；贵州省社发攻关项目（黔科合SZ[2009]3003）；贵州省应用基础重大专项（黔科合JZ字[2014]2002）
作者简介:周福健(1985-),男,贵州贵阳人,工程师,在职硕士研究生,主要从事水土保持工作。E-mail:297311534@qq.com
通讯作者:戴全厚(1969-),男,陕西长武人,博士,教授,博导,主要从事水土保持与生态恢复重建研究。E-mail:qhdairiver@163.com