IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2014  > Vol11 No.3
Biodiversity and Invasibility: Distribution Patterns of Invasive Plant Species in the Himalayas, Nepal
BHATTARAI Khem Raj; MÅREN Inger Elisabeth; SUBEDI Suresh Chandra
Corresponding AuthorBHATTARAI Khem Raj
2014-05
Source PublicationJournal of Mountain Science
Volume11Issue:3Pages:688-696
AbstractInvasive plant species are exerting a serious threat to biological diversity in many regions of the world. To understand plant invasions this study aims to test which of the two plant invasiveness hypotheses; ‘low native diversity' vs. ‘high native diversity', is supported by the regional distribution patterns of invasive plant species in the Himalayas, Nepal. This study is based on data retrieved from published literatures and herbarium specimens. The relationship between invasive plant species distribution patterns and that of native plant species is elucidated by scatter plots, as well as by generalized linear models. The native plant species and invasive plant species have similar distribution patterns and the maximum number of invasive plant species is found in the same altitudinal range where the highest richness for native tree species is found. There is a clear trend of higher invasive plant richness in regions where native tree species richness is relatively high. Consequently, the native plant richness is highest in the central phytogeographic region, followed by the eastern and the western regions, respectively. The invasive plant species also follows a similar trend. Additionally, the invasive plant species richness was positively correlated with anthropogenic factors such as human population density and the number of visiting tourists. This study supports the hypothesis that ‘high native diversity' supports or facilitates invasive plant species. Further, it indicates that native and invasive plant species may require similar natural conditions, but that the invasive plant species seem more dependent and influenced by anthropogenic disturbance factors.
KeywordAnthropogenic Disturbance Biodiversity Native Species Biological Invasions Distribution Himalayas
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/6897
CollectionJournal of Mountain Science_Journal of Mountain Science-2014_Vol11 No.3
Corresponding AuthorBHATTARAI Khem Raj
Recommended Citation
GB/T 7714
BHATTARAI Khem Raj,MÅREN Inger Elisabeth,SUBEDI Suresh Chandra. Biodiversity and Invasibility: Distribution Patterns of Invasive Plant Species in the Himalayas, Nepal[J]. Journal of Mountain Science,2014,11(3):688-696.
APA BHATTARAI Khem Raj,MÅREN Inger Elisabeth,&SUBEDI Suresh Chandra.(2014).Biodiversity and Invasibility: Distribution Patterns of Invasive Plant Species in the Himalayas, Nepal.Journal of Mountain Science,11(3),688-696.
MLA BHATTARAI Khem Raj,et al."Biodiversity and Invasibility: Distribution Patterns of Invasive Plant Species in the Himalayas, Nepal".Journal of Mountain Science 11.3(2014):688-696.
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