[1]李君,兰国玉*,李玉武. 海南儋州5种林地土壤微生物生物量碳对比[J].西北林学院学报,2016,31(3):63-67.[doi:10.3969/j.issn.1001-7461.2016.03.10]
　LI Jun,LAN Guo-yu*,LI Yu-wu.Comparative Studies on Soil Microbial Biomass Carbon in Rubber Forest and Secondary Forest in Danzhou,Hainan Province[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2016,31(3):63-67.[doi:10.3969/j.issn.1001-7461.2016.03.10]
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 海南儋州5种林地土壤微生物生物量碳对比()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第31卷
期数:
2016年第3期
页码:
63-67
栏目:
出版日期:
2016-05-31

文章信息/Info

Title:
Comparative Studies on Soil Microbial Biomass Carbon in Rubber Forest and Secondary Forest in Danzhou,Hainan Province
文章编号:
1001-7461(2016)03-0063-05
作者:
 李君1; 2; 兰国玉1*; 李玉武3
 (1.中国热带农业科学院 橡胶研究所，海南 儋州 571737；2.宜昌市森林资源监测站，湖北 宜昌 443000；3.中国科学院 西双版纳热带植物园，云南 勐腊 666303)
Author(s):
 LI Jun1; 2; LAN Guo-yu1*; LI Yu-wu3
 （1.Rubber Research Institute， Chinese Academy of Tropical Agricultural Sciences，Danzhou,Hainan 571737,China; 2.The Forest Resources Monitoring Station of Yichang City,Yichang,Hubei 443000,China)
关键词:
 ; 土壤微生物生物量碳; 热带次生林; 季节变化
Keywords:
 ; soil microbial biomass carbon;  tropical secondary forest;  seasonal variation
分类号:
S714.3
DOI:
10.3969/j.issn.1001-7461.2016.03.10
文献标志码:
A
摘要:
 采用时空替代法，选取5 a（幼龄林）、10 a（中龄林）、30 a（老龄林）的橡胶林、30 a桉树林和热带次生林，研究不同树龄橡胶林土壤微生物生物量碳含量的分布特征，不同林型土壤微生物生物量碳含量的差异及其随季节的变化。结果表明：5种林型下的土壤微生物生物量碳由高到低依次为中龄林＞幼龄林＞次生林＞老龄林＞桉树林，中龄林、幼龄林和次生林3种林型和另外2种林型之间均有显著差异（p＜0.05）；旱季到雨季，5种林型土壤微生物生物量碳含量逐渐升高，雨季明显高于旱季；土壤微生物生物量碳含量随土壤深度逐渐降低，5种林型下0~10 cm和20~30 cm的土层的微生物生物量碳均有显著差异；不同林型下微生物生物量碳与土壤全氮、全磷、全钾、有机碳、含水率的相关关系均不显著。
Abstract:
 The rubber forest with the ages of 5 a (young),10 a（middle-age）,30 a（old growth rubber forest），and eucalyptus forest with the age of 30 a,as well as tropical secondary forest were selected to investigate the vertical variations of the soil microbial biomass carbon (SMBC),and the differences of SMBC content and the seasonal changes in different forests.The results showed that SMBC of five forest types was in the order of middle age forest > young forest>secondary forest>old growth forest > eucalyptus forest.The middle age forest,young forest and secondary forest were significant different from the other two forest types (p＜0.05).The contents of SMBC of five forest types increased from dry to the rainy season,and the rainy season was significantly higher than the dry season.SMBC decreased with soil depth,and significantly different between 0-10 cm and 20-30 cm soil layer under five types of forests.There were no significant correlations between SMBC and soil total nitrogen,total phosphorus,total potassium,organic carbon,water content under different forest types.

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备注/Memo

备注/Memo:
 收稿日期：2015-03-30修回日期：2016-01-15
基金项目：中国科学院西双版纳热带植物园热带森林生态学重点实验室基金（KLTFE-200601）；中国热带农业科学院橡胶研究所农业部橡胶树生物学与遗传资源利用重点实验室开放课题（RRI-KLOF1407）。
作者简介：李君，男，硕士，研究方向：森林资源监测。E-mail：1090266452@qq.com
*通信作者：兰国玉，男，副研究员，硕士生导师，研究方向：植物生态。E-mail：langyrri@163.com
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