Arid
DOI10.1006/anbo.1996.0058
Central die-back of monoclonal stands of Reynoutria japonica in an early stage of primary succession on Mount Fuji
Adachi, N; Terashima, I; Takahashi, M
来源期刊ANNALS OF BOTANY
ISSN0305-7364
出版年1996
卷号77期号:5页码:477-486
英文摘要

Reynoutria japonica a common perennial pioneer species on Japanese volcanoes. In a volcanic desert (1500 m above sea level) on Mount Fuji (3776 m), central Japan, this species forms circular stands (patches). As a patch develops, shoot density decreases in its centre (’central die-back’). The central die-back has been considered a key process in the early stages of primary succession, though its mechanism has been unknown.


The pattern of patch development, population dynamics of aerial shoots, and growth patterns of below-ground organs were analysed in order to investigate the mechanism of die-back, and the following traits are clarified: (1) central die-back areas occur inmost small patches (approx. 1 m(2)) without later successional species; (2) shoot characteristics are dependent both on their position within a patch and on patch size; (3) despite the large differences in shoot density, neither time course of shoot growth nor their mortality differs between the centre and periphery of patches; and (4) rhizomes of R. japonica grow outwards with regular sympodial branching.


From these results. it is concluded that neither interspecific nor intraspecific competition is likely to be a primary cause of the die-back phenomenon, but that central die-back is brought about intrinsically by the growth pattern of the rhizome systems. We also discuss the importance of the central die-back in facilitating establishment of later successional species in the early stages of primary succession. (C) 1996 Annals of Botany Company


英文关键词clonal plant central die-back competition facilitation Japanese knotweed Mount Fuji primary succession Reynoutria japonica rhizome growth volcanic desert
类型Article
语种英语
国家JAPAN
收录类别SCI-E
WOS记录号WOS:A1996UM06900008
WOS关键词CLONAL PERENNIAL HERBS ; PLANT SUCCESSION ; COMPETITION ; SIMULATION ; PATTERNS ; GROWTH
WOS类目Plant Sciences
WOS研究方向Plant Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/132296
作者单位(1)UNIV TOKYO,FAC SCI,DEPT PLANT SCI,BUNKYO KU,TOKYO 113,JAPAN;(2)UNIV TSUKUBA,INST BIOL SCI,TSUKUBA,IBARAKI 305,JAPAN
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Adachi, N,Terashima, I,Takahashi, M. Central die-back of monoclonal stands of Reynoutria japonica in an early stage of primary succession on Mount Fuji[J],1996,77(5):477-486.
APA Adachi, N,Terashima, I,&Takahashi, M.(1996).Central die-back of monoclonal stands of Reynoutria japonica in an early stage of primary succession on Mount Fuji.ANNALS OF BOTANY,77(5),477-486.
MLA Adachi, N,et al."Central die-back of monoclonal stands of Reynoutria japonica in an early stage of primary succession on Mount Fuji".ANNALS OF BOTANY 77.5(1996):477-486.
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