桉树林和针阔混交林对土壤理化性质的影响比较
通过比较南亚热带桉树林（第2代和第1代）和针阔混交林（10～11年生和5～7年生）土壤理化指标的差异,探讨了桉树林和针阔混交林对土壤理化性质的影响.结果表明,与桉树1代相比,桉树2代土壤容重、总孔隙度、毛管孔隙度、非毛管孔隙度和土壤通气性均有不同程度的上升,桉树1代和2代容重与孔隙度间差异不显著,桉树2代有机质、全氮、全磷、全钾和水解氮均有不同程度下降,而土壤pH值、有效磷和速效钾升高.桉树土壤容重、自然含水量、总孔隙度、毛管孔隙度均低于针阔混交林,表明桉树林土壤中有效水的贮存量变小,而土壤非毛管空隙度和土壤通气性高于针阔混交林,表明桉树林接纳降水和减少地表径流能力优于中幼龄针阔混交林.桉树土...
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| Published in | 广东农业科学 Vol. 41; no. 20; pp. 67 - 74 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
佛山市云勇生态林养护中心,广东佛山,528518%广东省林业科学研究院,广东广州,510520
2014
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1004-874X |
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| Abstract | 通过比较南亚热带桉树林（第2代和第1代）和针阔混交林（10～11年生和5～7年生）土壤理化指标的差异,探讨了桉树林和针阔混交林对土壤理化性质的影响.结果表明,与桉树1代相比,桉树2代土壤容重、总孔隙度、毛管孔隙度、非毛管孔隙度和土壤通气性均有不同程度的上升,桉树1代和2代容重与孔隙度间差异不显著,桉树2代有机质、全氮、全磷、全钾和水解氮均有不同程度下降,而土壤pH值、有效磷和速效钾升高.桉树土壤容重、自然含水量、总孔隙度、毛管孔隙度均低于针阔混交林,表明桉树林土壤中有效水的贮存量变小,而土壤非毛管空隙度和土壤通气性高于针阔混交林,表明桉树林接纳降水和减少地表径流能力优于中幼龄针阔混交林.桉树土壤有机质、全氮、全磷和水解氮含量均低于针阔混交林,对土壤有机质消耗量高于针阔混交林.相关性分析表明,土壤有机质与全氮、水解氮和有效磷呈极显著和显著正相关,有机质与全氮和水解氮相关性最高,表明有机质对全氮和水解氮含量具有重要影响.采用主成分分析法进行综合评价可知,土壤肥力表现为针阔林Ⅰ＞针阔林Ⅲ＞桉树林Ⅱ＞桉树林Ⅳ. |
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| AbstractList | 通过比较南亚热带桉树林（第2代和第1代）和针阔混交林（10～11年生和5～7年生）土壤理化指标的差异,探讨了桉树林和针阔混交林对土壤理化性质的影响.结果表明,与桉树1代相比,桉树2代土壤容重、总孔隙度、毛管孔隙度、非毛管孔隙度和土壤通气性均有不同程度的上升,桉树1代和2代容重与孔隙度间差异不显著,桉树2代有机质、全氮、全磷、全钾和水解氮均有不同程度下降,而土壤pH值、有效磷和速效钾升高.桉树土壤容重、自然含水量、总孔隙度、毛管孔隙度均低于针阔混交林,表明桉树林土壤中有效水的贮存量变小,而土壤非毛管空隙度和土壤通气性高于针阔混交林,表明桉树林接纳降水和减少地表径流能力优于中幼龄针阔混交林.桉树土壤有机质、全氮、全磷和水解氮含量均低于针阔混交林,对土壤有机质消耗量高于针阔混交林.相关性分析表明,土壤有机质与全氮、水解氮和有效磷呈极显著和显著正相关,有机质与全氮和水解氮相关性最高,表明有机质对全氮和水解氮含量具有重要影响.采用主成分分析法进行综合评价可知,土壤肥力表现为针阔林Ⅰ＞针阔林Ⅲ＞桉树林Ⅱ＞桉树林Ⅳ. S714.2; 通过比较南亚热带桉树林(第2代和第1代)和针阔混交林(10～11年生和5～7年生)土壤理化指标的差异,探讨了桉树林和针阔混交林对土壤理化性质的影响.结果表明,与桉树1代相比,桉树2代土壤容重、总孔隙度、毛管孔隙度、非毛管孔隙度和土壤通气性均有不同程度的上升,桉树1代和2代容重与孔隙度间差异不显著,桉树2代有机质、全氮、全磷、全钾和水解氮均有不同程度下降,而土壤pH值、有效磷和速效钾升高.桉树土壤容重、自然含水量、总孔隙度、毛管孔隙度均低于针阔混交林,表明桉树林土壤中有效水的贮存量变小,而土壤非毛管空隙度和土壤通气性高于针阔混交林,表明桉树林接纳降水和减少地表径流能力优于中幼龄针阔混交林.桉树土壤有机质、全氮、全磷和水解氮含量均低于针阔混交林,对土壤有机质消耗量高于针阔混交林.相关性分析表明,土壤有机质与全氮、水解氮和有效磷呈极显著和显著正相关,有机质与全氮和水解氮相关性最高,表明有机质对全氮和水解氮含量具有重要影响.采用主成分分析法进行综合评价可知,土壤肥力表现为针阔林Ⅰ＞针阔林Ⅲ＞桉树林Ⅱ＞桉树林Ⅳ. |
| Author | 李国平 张卫强 张卫华 陈伟光 唐洪辉 盘李军 |
| AuthorAffiliation | 佛山市云勇生态林养护中心,广东佛山528518 广东省林业科学研究院,广东广州510520 |
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| Author_FL | ZHANG Wei-hua LI Guo-ping PAN Li-jun ZHANG Wei-qiang TANG Hong-hui CHEN Wei-guang |
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| DocumentTitleAlternate | Physical and chemical characteristics of soil in Eucalypt plantation and conifer-broadleaved forest |
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| Keywords | 土壤理化性质 主成分分析 桉树林 南亚热带 针阔混交林 |
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| Notes | 44-1267/S Eucalypt plantation; conifer-broadleaved forest; physical and chemical characteristics of soil; principal component analysis; Southern subtropical region LI Guo-ping, ZHANG Wei-qiang, ZHANG Wei-hua, CHEN Wei-guang, TANG Hong-hui, PAN Li-jun （1. Maintenance Center for Yunyong Ecological Forest of Foshan, Foshan 528518, China; 2.Guangdong Aeademy of Forestry, Guangzhou 510520, China） A comparative study was conducted on the index of physical and chemical characteristics of soil in Eucalypt plantation （the second generation and the first generation） and eonifer-broadleaved forest （10-1 la and 5-7a） in southern subtropical region, aimed to understand the effects of tree species on the physical and chemical characteristics of soil. The results showed that the soil bulk density, total porosity, capillary porosity, non-capillary porosity and soil aeration capacity of the second generation of Eucalypt plantation increased in varying degrees compared with the first generation of Eucalypt plantation, while the f |
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| Publisher | 佛山市云勇生态林养护中心,广东佛山,528518%广东省林业科学研究院,广东广州,510520 |
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| SubjectTerms | 主成分分析 南亚热带 土壤理化性质 桉树林 针阔混交林 |
| Title | 桉树林和针阔混交林对土壤理化性质的影响比较 |
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