Arid
DOI10.1071/RJ0000220
Grass response to shrub removal in two semi-arid vegetation communities
Page, M; Beeton, RJS; Mott, JJ
通讯作者Page, M
来源期刊RANGELAND JOURNAL
ISSN1036-9872
出版年2000
卷号22期号:2页码:220-234
英文摘要

The control of woody weeds in the mulga lands of south-west Queensland is commonly regarded as essential for restoration of degraded systems. However, these shrubs have become a dominant and stable component of many mulga land ecosystems, and their removal may have unknown ecosystem impacts. This paper reports an experiment to determine the effect of woody weeds and grazing pressure on grass recruitment, cover and diversity in two vegetation communities in Queensland’s mulga lands. Both factors influence grass recruitment, cover and diversity, but the response differs between the two vegetation communities investigated. The overall grass cover is consistently greater in sites where woody weeds were removed, and where grazing pressure was lowest. However, in the Dunefields community the cover and frequency of grass plants responded mon to the removal of woody weeds than in the Mulga Sandplain community. In contrast, in the Mulga Sandplain community the grasses responded more to reducing or removing grazing pressure. Results suggest that subtle differences between systems influence grass dynamics, highlighting the need for community-specific research and management.


英文关键词shrub removal semi-arid vegetation vegetation communities woody weeds
类型Article
语种英语
国家Australia
收录类别SCI-E
WOS记录号WOS:000165918400004
WOS关键词HERBAGE RESPONSE ; EUCALYPTUS ; TREE ; RANGELANDS ; QUEENSLAND ; WOODLAND
WOS类目Ecology
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/139901
作者单位(1)Univ Queensland, Sch Nat & Rural Syst Management, Gatton, Qld 4343, Australia;(2)Univ Queensland, Ctr Integrated Resource Management, St Lucia, Qld 4072, Australia
推荐引用方式
GB/T 7714
Page, M,Beeton, RJS,Mott, JJ. Grass response to shrub removal in two semi-arid vegetation communities[J],2000,22(2):220-234.
APA Page, M,Beeton, RJS,&Mott, JJ.(2000).Grass response to shrub removal in two semi-arid vegetation communities.RANGELAND JOURNAL,22(2),220-234.
MLA Page, M,et al."Grass response to shrub removal in two semi-arid vegetation communities".RANGELAND JOURNAL 22.2(2000):220-234.
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