DOI: 10.1016/j.foreco.2014.03.004
Scopus记录号: 2-s2.0-84899471697
论文题名: Allelopathic effects of Eucalyptus on native and introduced tree species
作者: Chu C. ; Mortimer P.E. ; Wang H. ; Wang Y. ; Liu X. ; Yu S.
刊名: Forest Ecology and Management
ISSN: 0378-1127
出版年: 2014
卷: 323 起始页码: 79
结束页码: 84
语种: 英语
英文关键词: Allelopathy
; Broad-leaved tree species
; Decomposition
; Eucalyptus urophylla
; Pinus elliotti
; Volatilization
Scopus关键词: Biodiversity
; Decomposition
; Experiments
; Nitrogen fixation
; Seed
; Vaporization
; Allelopathy
; Biodiversity reductions
; Broadleaved trees
; Environmental influences
; Eucalyptus plantations
; Eucalyptus urophylla
; Introduced tree species
; Pinus elliotti
; Forestry
; allelochemical
; allelopathy
; biodiversity
; coniferous forest
; evergreen forest
; foliage
; germination
; inhibition
; introduced species
; mixed forest
; native species
; plantation forestry
; root system
; survival
; weight
; Biodiversity
; Decay
; Eucalyptus Urophylla
; Experimentation
; Forestry
; Pinus Elliottii
; Seeds
; Vaporization
; Acmena acuminatissima
; Albizia lebbeck
; Cryptocarya
; Cryptocarya concinna
; Eucalyptus
; Eucalyptus urophylla
; Pinus elliottii
; Pterospermum
英文摘要: Allelopathy is widely considered to be one of the causes of biodiversity reduction in Eucalyptus plantations. However, most research conducted on the allelopathic effects of Eucalyptus is performed in the laboratory with weeds and crops as receptors, which fail to fully reflect natural ecosystems. In this study, we conducted two field trials and a greenhouse trial to assess the influence of soil allelopathy, allelochemical volatilization, and foliage litter decomposition on seed germination and seedling growth of three native (. Acmena acuminatissima, Cryptocarya concinna and Pterospermum lanceaefolium) and one introduced (. Albizia lebbeck) tree species in a Eucalyptus urophylla and Pinus elliottii plantation. In order to avoid confounding factors relating to management strategies and environmental influences, only one plantation of each species was used for experimentation. In the allelopathy experiment, the root length of the three native species was significantly inhibited in the E. urophylla plantation compared with that in the P. elliottii plantation. In the volatilization experiments, the seedling survival rate of the three native species was greater in the E. urophylla plantation, but significant differences were found for A. acuminatissima and C. concinna. Root length and dry weight of P. lanceaefolium increased significantly in the E. urophylla plantation, in the foliage litter decomposition experiments. There was no significant difference between the two plantations for A. lebbeck, except that the seedling survival rate was greater in the E. urophylla plantation in the foliage litter decomposition experiment. We concluded that allelopathy in the E. urophylla plantation was selective, which inhibited the growth of the native tree species but had no significant influence on the introduced A. lebbeck species. Allelopathy from volatilization and foliage litter decomposition contributed little to the inhibitory effects. We suggest that the introduced nitrogen-fixing species, A. lebbeck could be a potential choice for the establishment of mixed stands with Eucalyptus. © 2014 Elsevier B.V. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/65956
Appears in Collections: 影响、适应和脆弱性
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作者单位: Department of Ecology, School of Life Sciences/State Key Laboratory of Biocontrol, Key Laboratory of Biodiversity Dynamics and Conservation of Guangdong Higher Education Inst.s, Sun Yat-sen University, Guangzhou 510275, China; World Agroforestry Centre, East and Central Asia Office, Kunming 650201 Yunnan, China; Key Laboratory for Plant Biodiversity and Biogeography of East Asia (KLPB), Kunming Institute of Botany, Chinese Academy of Science, Kunming 650201 Yunnan, China
Recommended Citation:
Chu C.,Mortimer P.E.,Wang H.,et al. Allelopathic effects of Eucalyptus on native and introduced tree species[J]. Forest Ecology and Management,2014-01-01,323