Soil seed banks in the <em>Pinus bungeana</em> forestland of the Huanglong Mountains on the Loess Plateau

QIN Ting-song; LI Deng-wu; LV<font face="宋体"> Zhen-jiang; CHEN Ya-li

Volume 28 Issue 5

Oct. 2011

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QIN Ting-song, LI Deng-wu, LV Zhen-jiang, CHEN Ya-li. Soil seed banks in the Pinus bungeana forestland of the Huanglong Mountains on the Loess Plateau[J]. Journal of Zhejiang A&F University, 2011, 28(5): 694-700.

Citation:

QIN Ting-song, LI Deng-wu, LV Zhen-jiang, CHEN Ya-li. Soil seed banks in the Pinus bungeana forestland of the Huanglong Mountains on the Loess Plateau[J]. Journal of Zhejiang A&F University, 2011, 28(5): 694-700.

Soil seed banks in the Pinus bungeana forestland of the Huanglong Mountains on the Loess Plateau

CHEN Ya-li²

1.
College of Forestry，Northwest A & F University，Yangling 712100，Shaanxi，China;
2.
The Lian Lake Park of Shangluo City，Shangluo 726000，Shaanxi，China

More Information

Corresponding author: LI Deng-wu
Publish Date: 2011-10-20

Abstract

This study aims to understand the composition structure and function characteristics of the soil seed banks in the Pinus bungeana forestland of the Huanglong Mountain area. A comparative study in species composition，vertical distribution，diversity，and other community ecological factors of soil seed banks in Pinus bungeana forests，which was undertaken by adopting the germination and grain combining methods. Treatments included three layers：0-5，5-10，and 10-15 cm layers and analysis included three indexes：the Margalef abundance，Shannon-Wiener diversity，and Pielou evenness degree. Regeneration and succession for four structural types namely，trees，shrubs，herbs，and lianas were also compared（12 plots，3 replications）. The results indicated that the germination period was identical to the seed period in species structure. The soil seed bank contained 44 species belonging to 34 genera and 26 families in 2009. For individual seed number and species number，a significant difference（P＜0.01）was found among soil layers with：0－5 cm ＞5－10 cm＞10－15 cm. Index averages were Margalef abundance：3.87，Shannon-Wiener diversity index：3.63，and Pielou evenness degree index：1.15. For regeneration and succession，P. bungeana had a stronger regeneration capability with seeds at 39.2% of all tree species. Also，the herbaceous plants were 19.00% more than the woody plants in seeds and 36.36% in species number. Our results show there are significant differences in the vertical distribution of soil seed banks，and the composition of species remained relatively stable in the Huanglong Mountain area.［Ch，3 fig. 1 tab. 21 ref.］
- forest ecology,
- Pinus bungeana forest,
- soil seed bank,
- population dynamics,
- Huanglong Mountain

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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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Soil seed banks in the Pinus bungeana forestland of the Huanglong Mountains on the Loess Plateau

1. College of Forestry，Northwest A & F University，Yangling 712100，Shaanxi，China;

2. The Lian Lake Park of Shangluo City，Shangluo 726000，Shaanxi，China

Corresponding author: LI Deng-wu

Publish Date: 2011-10-20

Key words:

Abstract: This study aims to understand the composition structure and function characteristics of the soil seed banks in the Pinus bungeana forestland of the Huanglong Mountain area. A comparative study in species composition，vertical distribution，diversity，and other community ecological factors of soil seed banks in Pinus bungeana forests，which was undertaken by adopting the germination and grain combining methods. Treatments included three layers：0-5，5-10，and 10-15 cm layers and analysis included three indexes：the Margalef abundance，Shannon-Wiener diversity，and Pielou evenness degree. Regeneration and succession for four structural types namely，trees，shrubs，herbs，and lianas were also compared（12 plots，3 replications）. The results indicated that the germination period was identical to the seed period in species structure. The soil seed bank contained 44 species belonging to 34 genera and 26 families in 2009. For individual seed number and species number，a significant difference（P＜0.01）was found among soil layers with：0－5 cm ＞5－10 cm＞10－15 cm. Index averages were Margalef abundance：3.87，Shannon-Wiener diversity index：3.63，and Pielou evenness degree index：1.15. For regeneration and succession，P. bungeana had a stronger regeneration capability with seeds at 39.2% of all tree species. Also，the herbaceous plants were 19.00% more than the woody plants in seeds and 36.36% in species number. Our results show there are significant differences in the vertical distribution of soil seed banks，and the composition of species remained relatively stable in the Huanglong Mountain area.［Ch，3 fig. 1 tab. 21 ref.］

Soil seed banks in the Pinus bungeana forestland of the Huanglong Mountains on the Loess Plateau

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通讯作者: 陈斌, bchen63@163.com

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Soil seed banks in the Pinus bungeana forestland of the Huanglong Mountains on the Loess Plateau

1. College of Forestry，Northwest A & F University，Yangling 712100，Shaanxi，China;

2. The Lian Lake Park of Shangluo City，Shangluo 726000，Shaanxi，China

Corresponding author: LI Deng-wu

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Soil seed banks in the Pinus bungeana forestland of the Huanglong Mountains on the Loess Plateau

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通讯作者: 陈斌, bchen63@163.com

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Soil seed banks in the Pinus bungeana forestland of the Huanglong Mountains on the Loess Plateau

1. College of Forestry，Northwest A & F University，Yangling 712100，Shaanxi，China; 2. The Lian Lake Park of Shangluo City，Shangluo 726000，Shaanxi，China

Corresponding author: LI Deng-wu

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1. College of Forestry，Northwest A & F University，Yangling 712100，Shaanxi，China;

2. The Lian Lake Park of Shangluo City，Shangluo 726000，Shaanxi，China