GSTDTAP  > 资源环境科学
DOI10.1016/j.landurbplan.2019.103587
Remnant vegetation provides genetic connectivity for a critical weight range mammal in a rapidly urbanising landscape
Ottewell, Kym1,2; Pitt, Georgina1; Pellegrino, Blair1,4; Van Dongen, Ricky1; Kinloch, Janine1; Willers, Nicole3; Byrne, Margaret1
2019-10-01
发表期刊LANDSCAPE AND URBAN PLANNING
ISSN0169-2046
EISSN1872-6062
出版年2019
卷号190
文章类型Article
语种英语
国家Australia
英文摘要

Urbanisation is one of the most pervasive agents of contemporary landscape change globally. Rapid land use change and competing land uses pose multiple challenges for biodiversity conservation, particularly in periurban fringe areas where suburban development encroaches into natural habitats. The quenda (Isoodon fusci-venter) is one of the very few ground-dwelling critical weight range mammals to persist in the peri-urban fringe of the rapidly expanding city of Perth, Australia. We investigated the genetic connectivity of 42 populations of quenda across the Greater Perth metropolitan region using microsatellites and generalised dissimilarity modelling to evaluate the impact of landscape elements on functional connectivity. Spatially-explicit Bayesian cluster analysis indicated quenda exhibit significant population structure across the Perth region, which, at the broadest scale, was associated with hydrological and topographical features. Inter-population genetic connectivity was facilitated by the presence of native vegetation, particularly low vegetation (< 1.4 m height) that is the species' preferred habitat. Surprisingly, measures of urbanisation were not significant predictors of gene flow, potentially as quenda show some characteristics of urban utilizers. Given the rapid pace of development in the region, knowledge on the distribution and population structure of quenda, and understanding the processes that contribute to them, provides a basis for a landscape conservation approach to urban planning. Retention of suitable habitat that facilitates persistence of this important mammal is critical.


英文关键词Landscape Connectivity Habitat fragmentation Urbanisation Gene flow Mammal
领域资源环境
收录类别SCI-E ; SSCI
WOS记录号WOS:000484871000006
WOS关键词POPULATION-STRUCTURE ; METROPOLITAN-AREA ; COMPUTER-PROGRAM ; URBANIZATION ; BIODIVERSITY ; CONSERVATION ; HABITAT ; DIVERSITY ; ECOLOGY ; MOUSE
WOS类目Ecology ; Environmental Studies ; Geography ; Geography, Physical ; Regional & Urban Planning ; Urban Studies
WOS研究方向Environmental Sciences & Ecology ; Geography ; Physical Geography ; Public Administration ; Urban Studies
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/187501
专题资源环境科学
作者单位1.Dept Biodivers Conservat & Attract, Biodivers Sci & Conservat, Locked Bag 104, Bentley, WA 6983, Australia;
2.Murdoch Univ, Sch Vet & Life Sci, 90 South St, Murdoch, WA 6150, Australia;
3.Pk & Wildlife Serv, Dept Biodivers Conservat & Attract, Locked Bag 104, Bentley, WA 6983, Australia;
4.GPO Box 1047, Adelaide, SA 5001, Australia
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Ottewell, Kym,Pitt, Georgina,Pellegrino, Blair,et al. Remnant vegetation provides genetic connectivity for a critical weight range mammal in a rapidly urbanising landscape[J]. LANDSCAPE AND URBAN PLANNING,2019,190.
APA Ottewell, Kym.,Pitt, Georgina.,Pellegrino, Blair.,Van Dongen, Ricky.,Kinloch, Janine.,...&Byrne, Margaret.(2019).Remnant vegetation provides genetic connectivity for a critical weight range mammal in a rapidly urbanising landscape.LANDSCAPE AND URBAN PLANNING,190.
MLA Ottewell, Kym,et al."Remnant vegetation provides genetic connectivity for a critical weight range mammal in a rapidly urbanising landscape".LANDSCAPE AND URBAN PLANNING 190(2019).
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