Arid
DOI10.1016/j.ecoleng.2015.09.063
Reconciling waste rock rehabilitation goals and practice for a phosphate mine in a semi-arid environment
Gillespie, Melina; Glenn, Vanessa; Doley, David
通讯作者Doley, David
来源期刊ECOLOGICAL ENGINEERING
ISSN0925-8574
EISSN1872-6992
出版年2015
卷号85页码:1-12
英文摘要

True restoration of highly disrupted native ecosystems is universally difficult, and has not been achieved on waste rock dumps at a rock phosphate mine in the resource-limited rangeland environment of semiarid Queensland, Australia. Thirteen years after rehabilitation, there is general correspondence, but some temporal variation, in tree and shrub species richness between rehabilitated and analogue native vegetation sites. Large differences in the composition and extent of ground cover vegetation were associated with dominance of most sites by an introduced perennial pasture grass species and by periodic drought. Complete reinstatement of native ecosystems is shown to be inconsistent with the physical constraints of waste rock dumps, the erratic climate, the previous history of extensive grazing and a lack of effective rehabilitation planning. Revised goals of strict landscape stability and broad biodiversity attributes, based on those of relevant native ecosystem analogues, are proposed to enable the identification of appropriate native and novel ecosystem targets for the modified landscapes. Novel ecosystems combining tree and shrub components of the native vegetation, and ground cover (including introduced grasses) could provide the most effective targets for mined land rehabilitation in a semi-arid environment. Principles are suggested for the selection of vegetation targets for the rehabilitation of mine waste rock dumps, considering the new lithologies and landforms and the occurrence of a dominant introduced grass species. These principles should be applicable widely, but especially in resource-limited environments. (C) 2015 Elsevier B.V. All rights reserved.


英文关键词Analogue ecosystems Novel ecosystems Landform design Mine planning Closure criteria Rehabilitation success
类型Article
语种英语
国家Australia
收录类别SCI-E
WOS记录号WOS:000365322700001
WOS关键词ECOLOGICAL RESTORATION ; JARRAH FOREST ; ECOSYSTEMS ; QUEENSLAND ; VEGETATION ; LANDS ; GRASS ; STATE ; SITE
WOS类目Ecology ; Engineering, Environmental ; Environmental Sciences
WOS研究方向Environmental Sciences & Ecology ; Engineering
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/186790
作者单位Univ Queensland, Ctr Mined Land Rehabil, Sustainable Minerals Inst, Brisbane, Qld 4072, Australia
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Gillespie, Melina,Glenn, Vanessa,Doley, David. Reconciling waste rock rehabilitation goals and practice for a phosphate mine in a semi-arid environment[J],2015,85:1-12.
APA Gillespie, Melina,Glenn, Vanessa,&Doley, David.(2015).Reconciling waste rock rehabilitation goals and practice for a phosphate mine in a semi-arid environment.ECOLOGICAL ENGINEERING,85,1-12.
MLA Gillespie, Melina,et al."Reconciling waste rock rehabilitation goals and practice for a phosphate mine in a semi-arid environment".ECOLOGICAL ENGINEERING 85(2015):1-12.
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