globalchange  > 影响、适应和脆弱性
DOI: 10.1111/gcb.13606
论文题名:
Urbanization drives community shifts towards thermophilic and dispersive species at local and landscape scales
作者: Piano E.; De Wolf K.; Bona F.; Bonte D.; Bowler D.E.; Isaia M.; Lens L.; Merckx T.; Mertens D.; van Kerckvoorde M.; De Meester L.; Hendrickx F.
刊名: Global Change Biology
出版年: 2017
卷: 23, 期:7
起始页码: 2554
结束页码: 2564
语种: 英语
英文关键词: global change ; habitat loss ; metacommunity ; species loss ; urban heat island effect
Scopus关键词: Carabidae ; Coleoptera
英文摘要: The increasing conversion of agricultural and natural areas to human-dominated urban landscapes is predicted to lead to a major decline in biodiversity worldwide. Two conditions that typically differ between urban environments and the surrounding landscape are increased temperature, and high patch isolation and habitat turnover rates. However, the extent and spatial scale at which these altered conditions shape biotic communities through selection and/or filtering on species traits are currently poorly understood. We sampled carabid beetles at 81 sites in Belgium using a hierarchically nested sampling design wherein three local-scale (200 × 200 m) urbanization levels were repeatedly sampled across three landscape-scale (3 × 3 km) urbanization levels. First, we showed that communities sampled in the most urbanized locations and landscapes displayed a distinct species composition at both local and landscape scale. Second, we related community means of species-specific thermal preferences and dispersal capacity (based on European distribution and wing morphology, respectively) to the urbanization gradients. We showed that urban communities consisted on average of species with a preference for higher temperatures and with better dispersal capacities compared to rural communities. These shifts were caused by an increased number of species tolerating higher temperatures, a decreased richness of species with low thermal preference, and an almost complete depletion of species with very low-dispersal capacity in the most urbanized localities. Effects of urbanization were most clearly detected at the local scale, although more subtle effects could also be found at the scale of entire landscapes. Our results demonstrate that urbanization may fundamentally and consistently alter species composition by exerting a strong filtering effect on species dispersal characteristics and favouring replacement by warm-dwelling species. © 2017 John Wiley & Sons Ltd
资助项目: Piano, E. ; Department of Life Sciences and Systems Biology, University of Turin, Via Accademia Albertina 13, Italy ; 电子邮件: elena.piano@unito.it
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/60920
Appears in Collections:影响、适应和脆弱性

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作者单位: Department of Life Sciences and Systems Biology, University of Turin, Via Accademia Albertina 13, Turin, Italy; Entomology Department, Royal Belgian Institute of Natural Sciences, Vautierstraat 29, Brussels, Belgium; Terrestrial Ecology Unit, Biology Department, Ghent University, K.L. Ledeganckstraat 35, Gent, Belgium; Biodiversity and Climate Research Centre, Senckenberg Gesellschaft für Naturforschung, Senckenberganlage 25, Frankfurt am Main, Germany; Behavioural Ecology and Conservation Group, Biodiversity Research Centre, Earth and Life Institute, Croix du Sud 2, 1348, Université Catholique de Louvain (UCL), Louvain-La-Neuve, Belgium; Laboratory of Aquatic Ecology, Evolution and Conservation, KU Leuven, Ch. De Bériotstraat 32, Leuven, Belgium

Recommended Citation:
Piano E.,De Wolf K.,Bona F.,et al. Urbanization drives community shifts towards thermophilic and dispersive species at local and landscape scales[J]. Global Change Biology,2017-01-01,23(7)
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