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摘要:
The role of N2 fixation in structuring plant communities and influencing ecosystem function will be potentially large. In previous study, we investigated nodule biomass and activity, and calculated the amount of N2 fixation in a naturally established 18-year-old alder (Alnus hirsute (Turcz.) var. sibirica) stand following disturbance by road construction in Takayama, central Japan. In this study, to estimate the facilitation effects by alder on the spatial distribution of the regenerated tree species, we examined the distribution pattern of the regenerated tree species in this naturally established 18-year-old alder stand. The distribution pattern of alder and the regenerated woody species was analyzed in terms of spatial point processes and the regenerated species tended to distribute near the alder site. In particular, bird-dispersed tree species (endozoochory species) with relatively high shade tolerance showed a significant attraction to alder. These results suggest that alder will be used as roost trees and play the role of mother trees for these regenerated species at the degraded site. It was also suggested that the endozoochory species, which occupy 13 of 26 regenerated species in this stand, might regenerate faster than other species at this alder stand.
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篇名 Spatial Distribution of Regenerated Woody Plants in <i>Alnus hirsuta</i>(Turcz.) var. <i>sibirica</i>Stand in Japan
来源期刊 林学期刊(英文) 学科 医学
关键词 Bird-Dispersal N2 Fixation ROOST Trees Spatial Distribution SUCCESSION
年,卷(期) 2015,(2) 所属期刊栏目
研究方向 页码范围 210-220
页数 11页 分类号 R73
字数 语种
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研究主题发展历程
节点文献
Bird-Dispersal
N2
Fixation
ROOST
Trees
Spatial
Distribution
SUCCESSION
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期刊影响力
林学期刊(英文)
季刊
2163-0429
武汉市江夏区汤逊湖北路38号光谷总部空间
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314
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0
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