Understory light environment and canopy structure of six coastal protection forests on the north coast of Hangzhou Bay

CHENG Xiang－rong; FENG Li; YU Mu－kui; LIU Zhi－long; ZHANG Cui; WANG Zong－xing; GE Le

doi:10.11833/j.issn.2095-0756.2010.06.011

Volume 27 Issue 6

Dec. 2010

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CHENG Xiang－rong, FENG Li, YU Mu－kui, LIU Zhi－long, ZHANG Cui, WANG Zong－xing, GE Le. Understory light environment and canopy structure of six coastal protection forests on the north coast of Hangzhou Bay[J]. Journal of Zhejiang A&F University, 2010, 27(6): 872-876. doi: 10.11833/j.issn.2095-0756.2010.06.011

Citation:

CHENG Xiang－rong, FENG Li, YU Mu－kui, LIU Zhi－long, ZHANG Cui, WANG Zong－xing, GE Le. Understory light environment and canopy structure of six coastal protection forests on the north coast of Hangzhou Bay[J]. Journal of Zhejiang A&F University, 2010, 27(6): 872-876. doi: 10.11833/j.issn.2095-0756.2010.06.011

Understory light environment and canopy structure of six coastal protection forests on the north coast of Hangzhou Bay

doi: 10.11833/j.issn.2095-0756.2010.06.011

1.
Institute of Subtropical Forestry，The Chinese Academy of Forestry，Fuyang 311400，Zhejiang，China;
2.
Bureau of Development and Reform，Xinglong 067300，Hebei，China

More Information

Corresponding author: CHENG Xiang－rong
Publish Date: 2010-12-20

Abstract

The canopy structure and environmental characteristics from understory light for six coastal protection forest stands（Taxodium ascendens mucronatum，Ailanthus altissima Hongye，Fraxinus pennsylvanica，Gleditsia triacanthos，Sapium sebiferum，and Ligustrum lucidum）on the north coast of Hangzhou Bay were measured by Tracing Radiation and Canopy Architecture（TRAC）. Results showed that the canopy gap fraction of the T. ascendens mucronatum stand was greater than the other five stands which had no major difference between them. The stand leaf area index （LAI） was opposite of the gap fraction with the average LAI of S. sebiferum and L. lucidum significantly（P＜0.05）higher than the other stands with the other four stands being about the same. Leaf clumping was significantly（P＜0.05）lower for the A. altissima Hongye stand with the other five stands about the same. Understory photosynthetic photon flux density （PPFD） for the six stands had significantly（P＜0.05） differences with the order of light intensity as：T. ascendens mucronatum ＞ G. triacanthos ＞ A. altissima Hongye，F. pennsylvanica ＞ S. sebiferum ＞ L. lucidum.［Ch，2 fig. 4 tab. 18 ref.］
- forest ecology,
- coastal protection forest,
- canopy structure,
- light environment

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Understory light environment and canopy structure of six coastal protection forests on the north coast of Hangzhou Bay

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

2. Bureau of Development and Reform，Xinglong 067300，Hebei，China

Corresponding author: CHENG Xiang－rong

Publish Date: 2010-12-20

Key words:

Abstract: The canopy structure and environmental characteristics from understory light for six coastal protection forest stands（Taxodium ascendens mucronatum，Ailanthus altissima Hongye，Fraxinus pennsylvanica，Gleditsia triacanthos，Sapium sebiferum，and Ligustrum lucidum）on the north coast of Hangzhou Bay were measured by Tracing Radiation and Canopy Architecture（TRAC）. Results showed that the canopy gap fraction of the T. ascendens mucronatum stand was greater than the other five stands which had no major difference between them. The stand leaf area index （LAI） was opposite of the gap fraction with the average LAI of S. sebiferum and L. lucidum significantly（P＜0.05）higher than the other stands with the other four stands being about the same. Leaf clumping was significantly（P＜0.05）lower for the A. altissima Hongye stand with the other five stands about the same. Understory photosynthetic photon flux density （PPFD） for the six stands had significantly（P＜0.05） differences with the order of light intensity as：T. ascendens mucronatum ＞ G. triacanthos ＞ A. altissima Hongye，F. pennsylvanica ＞ S. sebiferum ＞ L. lucidum.［Ch，2 fig. 4 tab. 18 ref.］

Understory light environment and canopy structure of six coastal protection forests on the north coast of Hangzhou Bay

doi: 10.11833/j.issn.2095-0756.2010.06.011

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

Related

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