[1]申文辉,谭长强,何琴飞,等. 珠江流域中游5种典型森林类型土壤理化特征比较[J].西北林学院学报,2015,30(06):46-51.[doi:doi:10.3969/j.issn.1001-7461.2015.06.08]
 SHEN Wen-hui,TAN Zhang-qiang,HE Qin-fei,et al. Soil Physicochemical Properties of 5 Typic Forests in the Middle Reaches of Pearl River Basin[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2015,30(06):46-51.[doi:doi:10.3969/j.issn.1001-7461.2015.06.08]
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 珠江流域中游5种典型森林类型土壤理化特征比较()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第30卷
期数:
2015年06期
页码:
46-51
栏目:
出版日期:
2015-11-30

文章信息/Info

Title:
 Soil Physicochemical Properties of 5 Typic Forests in the Middle Reaches of Pearl River Basin
文章编号:
1001-7461(2015)06-0046-06
作者:
 申文辉123谭长强123何琴飞123郑威123彭玉华123何峰123
(1.广西林业科学研究院,广西 南宁 530002;2.广西优良用材林资源培育重点实验室,广西 南宁 530002;3.国家林业局 中南速生材繁育实验室,广西 南宁 530002)
Author(s):
 SHEN Wen-hui123 TAN Zhang-qiang123 HE Qin-fei123 ZHENG Wei123 PENG Yu-hua123 HE Feng123
 (1. Guangxi Academy of Forestry, Nanning, Guangxi 530002, China; 2. Guangxi Key Laboratory of Superior Timber Trees Resource Cultivation, Nanning, Guangxi 530002, China; 3. Key Laboratory of Central South Fast-growing Timber Cultivation, Nanning, Guangxi 530002, China)
关键词:
 珠江森林土壤机械组成化学性质土壤肥力
Keywords:
 Pearl River forest soil mechanical composition chemical property soil fertility
分类号:
S714.2
DOI:
doi:10.3969/j.issn.1001-7461.2015.06.08
文献标志码:
A
摘要:
 为探讨珠江流域中游广西苍梧地区森林生态系统物质循环、森林植被规划基础数据,研究了该区域5种典型森林类型土壤基本理化性质。结果表明:珠江流域苍梧地区5种森林类型土壤机械组成砂粒变幅在35.67%~40.53%;粘粒变幅在30.66%~35.45%;细粉粒变幅在22.4%~23.64%;粗粉粒变幅在5.24%~6.44%。对各森林类型土壤A层(0~15 cm)减去D层(45~60 cm)化学性质的比较,各森林土壤有机质和全N积累大小顺序为湿地松-木荷混交林>红锥林>大叶栎林>桉树林>马尾松林;土壤全磷积累大小顺序为红锥林>湿地松-木荷混交林>马尾松林>桉树林>大叶栎林;土壤全钾的消耗大小顺序为大叶栎林>桉树林>红锥林>湿地松木荷混交林>马尾松林。土壤粘粒及细粉粒与土壤有机质及全氮含量呈负相关关系,而砂粒与有机质和全氮呈正相关,与全钾和全磷呈负相关;粗粉粒与全磷、全钾呈正相关。综合而言,在珠江上游苍梧地区对于土壤保育方面,土壤机械组成并非越细越好,其粒径组成应介于粗粉粒和砂粒之间为宜。5种森林类型对土壤保育功能提高的影响大小顺序为湿地松-木荷混交林>红锥林>大叶栎林>马尾松林>桉树林。
Abstract:
 The soil basic physicochemical properties of 5 typical forests with different characteristics were researched in Cangwu region of Guangxi located in the middle reaches of the Pearl River, to provide basic data to further exploring material circulation of forest ecosystem and planning for forest vegetation in the area. The results indicated that for soil mechanical composition, the sand grain contents ranged from 35.67% to 40.53%; the clay content: 30.66%-35.45%; the fine silt content: 22.4%-23.64%; the coarse dust: 5.24%-6.44%. Soil organic matter and total N accumulation were in an order of Pinus elliottii and Schima superba mixed forest>Castanopsis hystrix>Quercus griffithii> Eucalyptus>P. massoniana; for the total P, the order was C. hystrix>P. elliottii and S. superba mixed forest>P. massoniana> Eucalyptus>Q. griffithii; and for the total K: Q. griffithii> Eucalyptus>C. hystrix>P. elliottii and S. superba mixed forest>P. massoniana. Significant negative correlations were found among the indices of soil clay and fine silt with organic matter and total N. Significant positive correlations were found among sand grain with organic matter and total N. The sand grain with organic matter and total N had positive correlations, but for the total K and P negative correlations were observed. Significant positive correlations were found among coarse dust with total K and P. To sum up, from the view of soil conservation, it is preferable that the particle size composition should be between coarse silt and sand. The contribution of 5 different forests on soil conservation improvement was P. elliottii and S. superba mixed forest>C. hystrix>Q. griffithii>P. massoniana> eucalyptus.

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备注/Memo

备注/Memo:
 收稿日期:2015-02-11 修回日期:2015-04-07
基金项目:广西林业科技项目(桂林科字[2012]第7号)。
作者简介:申文辉,男,教授级高级工程师,在读博士,研究方向:森林生态。E-mail:shenwenhui2003@163.com
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