[1]叶建丰,陈炎根,张华峰,等.间伐强度对萌生杉木林土壤有机碳及其活性组分的影响[J].浙江林业科技,2021,41(05):22-27.[doi:10.3969/j.issn.1001-3776.2021.05.004]
 YE Jian-feng,CHEN Yan-gen,ZHANG Hua-feng,et al.Effects of Thinning Intensity on Soil Organic Carbon and Labile Components in Sprout Cunninghamia lanceolata Plantation[J].Journal of Zhejiang Forestry Science and Technology,2021,41(05):22-27.[doi:10.3969/j.issn.1001-3776.2021.05.004]
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间伐强度对萌生杉木林土壤有机碳及其活性组分的影响()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
41
期数:
2021年05期
页码:
22-27
栏目:
论著
出版日期:
2021-10-10

文章信息/Info

Title:
Effects of Thinning Intensity on Soil Organic Carbon and Labile Components in Sprout Cunninghamia lanceolata Plantation
文章编号:
1001-3776(2021)05-0022-06
作者:
叶建丰1陈炎根2张华峰3刘波2李珍3应彬彬4饶盈1
(1. 杭州市临安区天目山林场,浙江杭州 311311;2. 杭州市临安区农业农村局,浙江杭州 311300;3. 杭州市临安区农林 技术推广中心,浙江 杭州 311300;4. 浙江农林大学环境与资源学院,浙江 杭州 311300)
Author(s):
YE Jian-feng1CHEN Yan-gen2ZHANG Hua-feng3LIU Bo2LI Zhen3YING Bin-bin4RAO Ying1
(1. Lin’an Tianmu Mountain Forest Farm of Zhejiang, Hangzhou 311311, China; 2. Lin’an Agricultural and Rural Bureau of Zhejiang, Hangzhou 311300, China; 3. Lin’an Agricultural and Forestry Extension Center of Zhejiang, Hangzhou 311300, China; 4. College of Environment and Resource Sciences, Zhejiang A & F University, Hangzhou 311300, China)
关键词:
间伐萌生杉木林土壤有机碳土壤活性有机碳影响变化规律
Keywords:
thinning sprout Cunninghamia lanceolata plantation soil organic carbon soil labile organic carbon effect change rule
分类号:
S718.51
DOI:
10.3969/j.issn.1001-3776.2021.05.004
文献标志码:
A
摘要:
以杭州市临安区的林龄12年的二代萌生杉木Cunninghamia lanceolata林为研究对象,于2017年12月进行中度间伐(50%)和重度间伐(70%),2018年和2019年连续观测2年,通过对中度间伐、重度间伐和不间伐的土壤有机碳的对比,探究高强度间伐对萌生杉木林土壤有机碳和土壤活性有机碳(土壤微生物量碳、水溶性有机碳和易氧化有机碳)的影响及其季节性动态变化规律。结果表明:(1)高强度间伐通过增加土壤碳源、改变土壤微环境的方式增加了土壤有机碳及其活性组分;(2)土壤有机碳的季节性变化并不明显,但三种土壤有机碳活性组分均有明显的季节性变化,且不受间伐影响。因此,从增加林分土壤碳库的角度出发,建议对林分密度过大的萌生杉木林采取重度间伐。
Abstract:
In December 2017, experiment of thinning intensity of 50% and 70% was implemented on sprout 12-year Cunninghamia lanceolata plantation in Lin’an, Zhejiang province. Continuous observation was carried out on soil organic carbon and labile components of the experimented stand in 2018 and 2019. The result shows high-intensity thinning increased soil organic carbon and its active components (soil microbial biomass carbon, water-soluble organic carbon and readily oxidizable organic carbon) by increasing soil carbon sources and changing the soil microenvironment. The seasonal changes of soil organic carbon were not obvious, but the three labile soil organic carbon components obvious, which were not affected by thinning.

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备注/Memo

备注/Memo:
收稿日期:2021-03-04;修回日期:2021-07-20
作者简介:叶建丰,工程师,从事森林培育工作;E-mail:627703394@qq.com。通信作者:饶盈,工程师,从事森林培育工作;E-mail:tmslc_ry@163.com。
更新日期/Last Update: 2021-10-10