Arid
DOI10.1046/j.1442-9993.2003.01259.x
Response of vertebrates to fenceline contrasts in grazing intensity in semi-arid woodlands of eastern Australia
James, C
通讯作者James, C
来源期刊AUSTRAL ECOLOGY
ISSN1442-9985
出版年2003
卷号28期号:2页码:137-151
英文摘要

Changes in the abundance, species richness and assemblage composition of vertebrates due to grazing by domestic stock were investigated in the semi-arid woodlands of eastern Australia. Analyses were based on the differences found at 10 fenceline contrast sites. Two species of amphibians, 22 species of reptiles and two species of small mammal were captured in pit traps during the surveys. Kangaroos (red and eastern grey), sheep, goats and 66 species of birds were recorded along line transects. Analyses revealed that abundance of diurnal reptiles and species richness of diurnal reptiles and birds were significantly lower on heavily grazed sites than they were on lightly grazed sites. At a local scale, the gecko, Gehyra variegata , was more abundant where grazing was heavier, while Diplodactylus conspicillatus , Diplodactylus steindachneri and Rhynchoedura ornata responded to variables indirectly related to grazing intensity (kangaroo density, sheep and goat dung mass and sheep density, respectively). Birds more commonly sighted on lightly grazed areas than heavily grazed areas were the apostlebird, brown treecreeper, crested bellbird, grey butcherbird, hooded robin, jacky winter, little woodswallow, Australian magpie-lark, mulga parrot, splendid wren, white-browed treecreeper and yellow-rumped thornbill. Birds more commonly sighted on heavily grazed areas than on lightly grazed areas were the Australian raven and chestnut-crowned babbler. Most variation in species composition between sites was due to spatial separation and no regional-level indicator species of grazing were evident. A combination of direct grazing-related changes (e.g. loss of ground cover) and indirect effects of the pastoral industry (e.g. introduction of artificial sources of water) lead to changes in fauna at different scales of analysis across regions.


英文关键词bird increaser/decreaser kangaroo mammal reptile species composition species richness water points
类型Article
语种英语
国家Australia
收录类别SCI-E
WOS记录号WOS:000182113600005
WOS关键词NEW-SOUTH-WALES ; WESTERN DIVISION ; SOUTHEASTERN ARIZONA ; CONSERVATION CONCERN ; LIVESTOCK EXCLOSURE ; NORTH-AMERICA ; VEGETATION ; BIODIVERSITY ; COMMUNITIES ; ABUNDANCE
WOS类目Ecology
WOS研究方向Environmental Sciences & Ecology
来源机构Commonwealth Scientific and Industrial Research Organisation
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/144169
作者单位(1)CSIRO Sustainable Ecosyst, Ctr Arid Zone Res, Alice Springs, NT 0871, Australia
推荐引用方式
GB/T 7714
James, C. Response of vertebrates to fenceline contrasts in grazing intensity in semi-arid woodlands of eastern Australia[J]. Commonwealth Scientific and Industrial Research Organisation,2003,28(2):137-151.
APA James, C.(2003).Response of vertebrates to fenceline contrasts in grazing intensity in semi-arid woodlands of eastern Australia.AUSTRAL ECOLOGY,28(2),137-151.
MLA James, C."Response of vertebrates to fenceline contrasts in grazing intensity in semi-arid woodlands of eastern Australia".AUSTRAL ECOLOGY 28.2(2003):137-151.
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