天目山常绿阔叶林的混交度研究

方国景; 汤孟平; 章雪莲

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天目山常绿阔叶林的混交度研究

方国景 , 汤孟平 , 章雪莲

文章导航 > 浙江农林大学学报 > 2008 > 25(2): 216-220

方国景, 汤孟平, 章雪莲. 天目山常绿阔叶林的混交度研究[J]. 浙江农林大学学报, 2008, 25(2): 216-220.

引用本文:

方国景, 汤孟平, 章雪莲. 天目山常绿阔叶林的混交度研究[J]. 浙江农林大学学报, 2008, 25(2): 216-220.

FANG Guo-jing, TANG Meng-ping, ZHANG Xue-lian. The mingling index with evergreen broadleaf forests on Mount Tianmu[J]. Journal of Zhejiang A&F University, 2008, 25(2): 216-220.

Citation:

FANG Guo-jing, TANG Meng-ping, ZHANG Xue-lian. The mingling index with evergreen broadleaf forests on Mount Tianmu[J]. Journal of Zhejiang A&F University, 2008, 25(2): 216-220.

天目山常绿阔叶林的混交度研究

1.
浙江林学院环境科技学院, 浙江临安 311300

基金项目:

国家自然科学基金资助项目(30471390);浙江省自然科学基金资助项目(Y305261);浙江林学院科研发展基金资助项目(2006FR20)

详细信息

作者简介: 方国景,硕士研究生,从事森林经理学研究。E-mail:fangguojing2008@163.com。

通信作者: 汤孟平,教授,博士,从事森林经理学研究。E-mail:goodtmp@yahoo.com.cn

中图分类号: S757

The mingling index with evergreen broadleaf forests on Mount Tianmu

1.
School of Environmental Technology, Zhejiang Forestry College, Lin'an 311300, Zhejiang, China

摘要: 在天目山国家级自然保护区内选择典型常绿阔叶林,设置100 m×100 m样地,用全站仪测定每株树木坐标。选择胸径在5 cm以上的乔木,用优势度分析法确定群落优势种,八邻域边缘校正法校正,并采用树种多样性混交度进行计算。结果表明,天目山常绿阔叶林优势种群以细叶青冈Cyclobalanopsis gracilis,青冈Cyclobalanopsis glauca和短尾柯Lithocarpus brevicaudatus为主,形成多优势种结构特征,样地平均混交度为0.505 1,优势种群中常绿树种的混交度为0.483 6,非常绿树种的混交度为0.582 3。研究认为,天目山常绿阔叶林保持了较高的树种多样性;细叶青冈、青冈和短尾柯等优势种群因兼有实生和萌生2种聚集繁殖方式所致,降低了常绿阔叶林的混交度;树种混交度是随着胸径的增大而增大的;常绿阔叶林总体呈中度混交状况。
- 森林经理学 /
- 常绿阔叶林 /
- 优势种群 /
- 混交度 /
- 天目山
Abstract: Mingling of dominant plant populations in an evergreen broadleaf forest,one of the most important plant types in the Mount Tianmu National Nature Reserve of Zhejiang Province,were studied to supply a theoretical basis for evergreen broadleaf forest protection,restoration,and reconstruction. A typical plot in the reserve,100 m×100 m,was surveyed for tree diameter at breast height(DBH) above 5 cm with Total Station(Leica TCR702Xrange) equipmentused to measure tree coordinates. Also,dominant plant populations were determined using the Dominance Index with edge correction applied and the mingling index calculated for tree species diversity. Results showed that the dominant plant populations of evergreen broadleaf tree species(Cyclobalanopsis gracilis,Cyclobalanopsis glauca,and Lithocarpus brevicaudatus) exhibited diverse and dominant species characteristics. The average mingling index for the plots was 0.505 1; while the evergreen broadleaf tree species mingling index was 0.483 6, and the non-evergreen broadleaf species mingling index was 0.582 3. Overall,these tree species maintained the evergreen broadleaf forest biodiversity.In addition,as dbh increased,the mingling index increased. Since C. gracilis,C. glauca,and L. brevicaudatus predominantly reproduced through sprouting,the mingling index was low. This study showed that these evergreen broadleaf tree species showed moderate mixing.
- forest management /
- evergreen broadleaf forest /
- dominant species /
- mingling index /
- Mount Tianmu

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https://zlxb.zafu.edu.cn/article/zjnldxxb/2008/2/216

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天目山常绿阔叶林的混交度研究

1. 浙江林学院环境科技学院, 浙江临安 311300

基金项目:

国家自然科学基金资助项目(30471390);浙江省自然科学基金资助项目(Y305261);浙江林学院科研发展基金资助项目(2006FR20)

作者简介:
方国景,硕士研究生,从事森林经理学研究。E-mail:fangguojing2008@163.com。

通信作者: 汤孟平,教授,博士,从事森林经理学研究。E-mail:goodtmp@yahoo.com.cn

收稿日期: 2007-07-06
修回日期: 2007-09-30
刊出日期: 2008-04-10

中图分类号: S757

关键词:

摘要: 在天目山国家级自然保护区内选择典型常绿阔叶林,设置100 m×100 m样地,用全站仪测定每株树木坐标。选择胸径在5 cm以上的乔木,用优势度分析法确定群落优势种,八邻域边缘校正法校正,并采用树种多样性混交度进行计算。结果表明,天目山常绿阔叶林优势种群以细叶青冈Cyclobalanopsis gracilis,青冈Cyclobalanopsis glauca和短尾柯Lithocarpus brevicaudatus为主,形成多优势种结构特征,样地平均混交度为0.505 1,优势种群中常绿树种的混交度为0.483 6,非常绿树种的混交度为0.582 3。研究认为,天目山常绿阔叶林保持了较高的树种多样性;细叶青冈、青冈和短尾柯等优势种群因兼有实生和萌生2种聚集繁殖方式所致,降低了常绿阔叶林的混交度;树种混交度是随着胸径的增大而增大的;常绿阔叶林总体呈中度混交状况。

English Abstract

The mingling index with evergreen broadleaf forests on Mount Tianmu

1. School of Environmental Technology, Zhejiang Forestry College, Lin'an 311300, Zhejiang, China

Received Date: 2007-07-06
Rev Recd Date: 2007-09-30
Publish Date: 2008-04-10

Keywords:

Abstract: Mingling of dominant plant populations in an evergreen broadleaf forest,one of the most important plant types in the Mount Tianmu National Nature Reserve of Zhejiang Province,were studied to supply a theoretical basis for evergreen broadleaf forest protection,restoration,and reconstruction. A typical plot in the reserve,100 m×100 m,was surveyed for tree diameter at breast height(DBH) above 5 cm with Total Station(Leica TCR702Xrange) equipmentused to measure tree coordinates. Also,dominant plant populations were determined using the Dominance Index with edge correction applied and the mingling index calculated for tree species diversity. Results showed that the dominant plant populations of evergreen broadleaf tree species(Cyclobalanopsis gracilis,Cyclobalanopsis glauca,and Lithocarpus brevicaudatus) exhibited diverse and dominant species characteristics. The average mingling index for the plots was 0.505 1; while the evergreen broadleaf tree species mingling index was 0.483 6, and the non-evergreen broadleaf species mingling index was 0.582 3. Overall,these tree species maintained the evergreen broadleaf forest biodiversity.In addition,as dbh increased,the mingling index increased. Since C. gracilis,C. glauca,and L. brevicaudatus predominantly reproduced through sprouting,the mingling index was low. This study showed that these evergreen broadleaf tree species showed moderate mixing.

方国景, 汤孟平, 章雪莲. 天目山常绿阔叶林的混交度研究[J]. 浙江农林大学学报, 2008, 25(2): 216-220.

引用本文:

方国景, 汤孟平, 章雪莲. 天目山常绿阔叶林的混交度研究[J]. 浙江农林大学学报, 2008, 25(2): 216-220.

FANG Guo-jing, TANG Meng-ping, ZHANG Xue-lian. The mingling index with evergreen broadleaf forests on Mount Tianmu[J]. Journal of Zhejiang A&F University, 2008, 25(2): 216-220.

Citation:

FANG Guo-jing, TANG Meng-ping, ZHANG Xue-lian. The mingling index with evergreen broadleaf forests on Mount Tianmu[J]. Journal of Zhejiang A&F University, 2008, 25(2): 216-220.