不同毛竹林土壤碳氮养分的季节变化特征

高志勤; 傅懋毅

不同毛竹林土壤碳氮养分的季节变化特征

高志勤^1,2, ,,
傅懋毅¹

1.
中国林业科学研究院亚热带林业研究所, 浙江富阳 311400;
2.
宁波城市职业技术学院环境学院, 浙江奉化 315502

基金项目:

2001-2005 年国际林业研究中心(CIFOR)合作项目(200085401)

详细信息

作者简介: 高志勤, 博士, 从事竹类生态学等研究。E-mail: gaozhiqin2004@21cn.com

通信作者: 高志勤, 博士, 从事竹类生态学等研究。

中图分类号: S158 ;S714.8

Characteristics of seasonal changes in soil carbon and nitrogen nutrients of different Phyllostachys pubescens stands

GAO Zhi-qin^{1,2
, ,},
FU Mao-yi¹

1.
.The Research Institute of Subtropical Forestry , The Chinese Academy of Forestry , Fuyang 311400, Zhejiang , China;
2.
.School of Environment, Ningbo City College of Vocational Technology , Fenghua 315502, Zhejiang , China

Funds:

2001-2005 年国际林业研究中心(CIFOR)合作项目(200085401)

摘要: 应用定位研究法探明位于浙江省富阳市春建乡不同结构毛竹Phyllostachys pubescens 林土壤0 ～ 10 , 10 ～ 30 和30 ～ 50 cm 等3 个层次有机碳和全氮质量分数的季节变化特征。结果表明, 垦复毛竹纯林土壤有机碳质量分数的季节变化(12.9 ～ 38.9 gkg-1)秋冬高于春夏, 而未垦复毛竹纯林却与之相反, 即春夏高于秋冬季节, 变幅为7.5 ～ 31.2 gkg-1 ;毛竹与木荷Schima superba 混交林土壤有机碳质量分数(7.5 ～ 40.2 gkg-1)冬季最高春季最低, 表现出与毛竹纯林不同的变化特征。垦复毛竹纯林土壤全氮质量分数(0.8 ～ 2.4 gkg-1)夏季最高春季最低, 未垦复毛竹纯林却是春季最高秋季最低, 土壤全氮质量分数变幅为1.3 ～ 3.0 gkg-1 ;而毛竹木荷混交林是夏季最高秋季最低, 土壤全氮质量分数变幅为(0.9 ～ 3.2 gkg-1)。垦复毛竹纯林土壤有机质碳氮比(C/N )范围为8.49 ～ 46.03 , 未垦复毛竹纯林C/N 比范围为5.84～ 11.99 ;毛竹木荷混交林C/N 比范围为3.43 ～ 15.02 。方差分析表明, 土壤全氮质量分数不同毛竹林分之间差异不显著, 春季和夏季之间差异显著。秋季和冬季之间差异不显著, 0 ～10 与30 ～ 50 cm 层次之间全氮质量分数差异极显著, 而0 ～ 10 cm 与10 ～ 30 cm 层次之间差异显著。土壤有机碳质量分数不同季节或林分之间差异不显著, 3 类林分的0 ～ 10 , 10 ～ 30 和30 ～ 50 cm 等3 个层次之间的平均有机碳质量分数差异极显著。因此, 不同结构和经营状态毛竹林土壤碳氮养分在季节序列和土壤层次上存在较大变异。表4 参16
- 土壤学 /
- 毛竹林 /
- 土壤全氮 /
- 土壤有机碳 /
- 季节动态
Abstract: The characteristics of seasonal changes in the mass fractions of organic carbon and total nitrogen at three different layers of soil in different Phyllostachys pubescens stands were studied by the orientation research method . The results showed that the mass fractions of soil organic carbon (12.9 -38.9 gkg-1)in the reclaimed pure Phyllostachys pubescens stands in autumn and winter were higher than in spring and summer .The mass fractions of soil organic carbon (7.5 -31.2 gkg-1)in the non-reclaimed pure Phyllostachys pubescens stands in spring and summer were higher than in autumn and winter .The mass fraction of soil organic carbon (7.5 -40.2 gkg-1)in the Schima superba stands was highest in winter and lowest in spring , which was different from that in the pure Phyllostachys pubescens stands .The mass fraction of soil total nitrogen (0.8 -2.4 g kg-1)in reclaimed pure Phyllostachys pubescens stands was highest in summer and lowest in spring , that (1.3 -3.0 gkg-1)in the nonreclaimed pure Phyllostachys pubescens stands was highest in spring and lowest in autumn and that (0.9 -3.2 gkg-1)in Schima superba stands was highest in summer and lowest in autumn .The C N ratio in the reclaimed pure Phyllostachys pubescens stands was between 8.49 -46.03 , that in the non-reclaimed pure Phyllostachys pubescens stands was between 5.84 -11.99 , that in the Schima superba stands was between 3.43 -15.02 .The results of variance analysis showed that the mass fractions of soil total nitrogen were not significantly different in different stands , significantly different between spring and autumn , not significantly different between autumn and winter , much significantly different between the layers of 0 -10 cm and 30 -50 cm , significantly different between the layers of 0 -10 cm and 10 -30 cm.The mass fractions of soil organic carbon were not significantly different in different seasons and different stands , much significantly different among the layers of 0 -10 cm, 10 -30 cm and 30 -50 cm .Therefore , the mass fractions of soil carbon and nitrogen in different stands were comparatively different in different seasons and different soil layers .[ Ch , 4 tab .16 ref .]
- pedology /
- Phylloslachys pubescens stands /
- soil total nitrogen /
- soil organic carbon /
- seasonal dynamics

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不同毛竹林土壤碳氮养分的季节变化特征

作者简介: 高志勤, 博士, 从事竹类生态学等研究。E-mail: gaozhiqin2004@21cn.com

通信作者: 高志勤, 博士, 从事竹类生态学等研究。

Characteristics of seasonal changes in soil carbon and nitrogen nutrients of different Phyllostachys pubescens stands

计量

不同毛竹林土壤碳氮养分的季节变化特征

1. 中国林业科学研究院亚热带林业研究所, 浙江富阳 311400;

2. 宁波城市职业技术学院环境学院, 浙江奉化 315502

作者简介:
高志勤, 博士, 从事竹类生态学等研究。E-mail: gaozhiqin2004@21cn.com

通信作者: 高志勤, 博士, 从事竹类生态学等研究。

English Abstract

Characteristics of seasonal changes in soil carbon and nitrogen nutrients of different Phyllostachys pubescens stands

1. .The Research Institute of Subtropical Forestry , The Chinese Academy of Forestry , Fuyang 311400, Zhejiang , China;

2. .School of Environment, Ningbo City College of Vocational Technology , Fenghua 315502, Zhejiang , China

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留言板

不同毛竹林土壤碳氮养分的季节变化特征

作者简介: 高志勤, 博士, 从事竹类生态学等研究。E-mail: gaozhiqin2004@21cn.com

通信作者: 高志勤, 博士, 从事竹类生态学等研究。

Characteristics of seasonal changes in soil carbon and nitrogen nutrients of different Phyllostachys pubescens stands

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出版历程

不同毛竹林土壤碳氮养分的季节变化特征

1. 中国林业科学研究院 亚热带林业研究所, 浙江 富阳 311400; 2. 宁波城市职业技术学院 环境学院, 浙江 奉化 315502

作者简介: 高志勤, 博士, 从事竹类生态学等研究。E-mail: gaozhiqin2004@21cn.com

通信作者: 高志勤, 博士, 从事竹类生态学等研究。

English Abstract

Characteristics of seasonal changes in soil carbon and nitrogen nutrients of different Phyllostachys pubescens stands

1. .The Research Institute of Subtropical Forestry , The Chinese Academy of Forestry , Fuyang 311400, Zhejiang , China; 2. .School of Environment, Ningbo City College of Vocational Technology , Fenghua 315502, Zhejiang , China

全文HTML

目录

1. 中国林业科学研究院亚热带林业研究所, 浙江富阳 311400;

2. 宁波城市职业技术学院环境学院, 浙江奉化 315502

作者简介:
高志勤, 博士, 从事竹类生态学等研究。E-mail: gaozhiqin2004@21cn.com

1. .The Research Institute of Subtropical Forestry , The Chinese Academy of Forestry , Fuyang 311400, Zhejiang , China;

2. .School of Environment, Ningbo City College of Vocational Technology , Fenghua 315502, Zhejiang , China