Arid
DOI10.1016/j.jenvman.2014.04.006
Impacts of tourism hotspots on vegetation communities show a higher potential for self-propagation along roads than hiking trails
Wolf, Isabelle D.1; Croft, David B.2
通讯作者Wolf, Isabelle D.
来源期刊JOURNAL OF ENVIRONMENTAL MANAGEMENT
ISSN0301-4797
EISSN1095-8630
出版年2014
卷号143页码:173-185
英文摘要

Vegetation communities along recreational tracks may suffer from substantial edge-effects through the impacts of trampling, modified environmental conditions and competition with species that benefit from disturbance.


We assessed impacts on trackside vegetation by comparing high and low usage tourism sites at a 1 -10 m distance from recreational tracks in a popular arid-lands tourism destination in South Australia. The central aim was quantification of the strengths and spatial extent of tourism impacts along recreational tracks with a qualitative comparison of roads and trails. Track-distance gradients were most prevalent at high usage sites. There, species community composition was altered, total plant cover decreased, non-native species cover increased, plant diversity increased or decreased (depending on the distance) and soil compaction increased towards recreational tracks.


Roadside effects were greater and more pervasive than trailside effects. Further, plant diversity did not continuously increase towards the road verge as it did along trails but dropped sharply in the immediate road shoulder which indicated high disturbance conditions that few species were able to tolerate.


To our knowledge, we are the first to demonstrate that the access mode to a recreation site influences the potential of certain impacts, such as the increase of non-native species, to self-perpetuate from their points of introduction to disjointed sites with a predisposition to disturbance. Due to this propulsion of impacts, the overall spatial extent of roadside impacts was far greater than initially apparent from assessments at the road verge. We discuss possible means of mitigating these impacts. (C) 2014 Elsevier Ltd. All rights reserved.


英文关键词Habitat modification Non-native species Road Trail Perpetuation of tourism impacts Spatial extent
类型Article
语种英语
国家Australia
收录类别SCI-E
WOS记录号WOS:000338810200020
WOS关键词NATIONAL-PARK ; SOIL COMPACTION ; SPECIES COMPOSITION ; EXPERIMENTAL FOREST ; CORRIDORS ; USA ; DIVERSITY ; DISTURBANCE ; LANDSCAPE ; AUSTRALIA
WOS类目Environmental Sciences
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/2XILL650/183236
作者单位1.Univ New S Wales, Ctr Ecosyst Sci, Sydney, NSW 2052, Australia;
2.Univ New S Wales, Sch Biol Earth & Environm Sci, Sydney, NSW 2052, Australia
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GB/T 7714
Wolf, Isabelle D.,Croft, David B.. Impacts of tourism hotspots on vegetation communities show a higher potential for self-propagation along roads than hiking trails[J],2014,143:173-185.
APA Wolf, Isabelle D.,&Croft, David B..(2014).Impacts of tourism hotspots on vegetation communities show a higher potential for self-propagation along roads than hiking trails.JOURNAL OF ENVIRONMENTAL MANAGEMENT,143,173-185.
MLA Wolf, Isabelle D.,et al."Impacts of tourism hotspots on vegetation communities show a higher potential for self-propagation along roads than hiking trails".JOURNAL OF ENVIRONMENTAL MANAGEMENT 143(2014):173-185.
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