globalchange  > 过去全球变化的重建
DOI: 10.1038/s41598-019-46005-1
WOS记录号: WOS:000473294100051
论文题名:
Impact of climate change and urban development on the flora of a southern European city: analysis of biodiversity change over a 120-year period
作者: Salinitro, Mirko1; Alessandrini, Alessandro2; Zappi, Alessandro3; Tassoni, Annalisa1
通讯作者: Tassoni, Annalisa
刊名: SCIENTIFIC REPORTS
ISSN: 2045-2322
出版年: 2019
卷: 9
语种: 英语
WOS关键词: ALIEN ; CITIES ; AREA ; CONSERVATION ; ECOSYSTEMS ; VEGETATION ; INDICATOR ; DIVERSITY ; HOTSPOTS ; ECOLOGY
WOS学科分类: Multidisciplinary Sciences
WOS研究方向: Science & Technology - Other Topics
英文摘要:

Ecological studies in cities are not only aimed at investigating floristic diversity, but also represent informative test cases for understanding ecological system dynamics and responses to urban and climate changes since cities represent microcosms of environmental changes happening globally. The city of Bologna was selected as a case study since two specific and complete studies have been carried out in a 120-years timespan, one in 1894 and one in 2018. Since 1894, a large increase occurred in the number of taxa (families from 41 to 101, species from 176 to 477) and alien species (from 22 to 144), with a 65% total species turnover. The comparison of species life forms pointed out a noticeable recent expansion of phanerophytes and geophytes at the expense of therophytes and hemicryptophytes. The correlation between urbanistic features and plant richness indicated that the main factor affecting plant richness is the presence of green spaces (parks, tree lines, flowerbeds, etc.). Analysis of variation in Ellenberg's indicator values over the last 120 years evidenced a shift toward shade-tolerant species, mainly connected to the increased presence of parks and trees within the city. Climate change and the presence of artificially irrigated areas within the city has led to an increase in both hygrophilous and drought-resistant species. In particular, the temperature index showed a significantly higher amount of macrothermal species in accordance with a warmer climate and the urban heat island effect.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/141052
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作者单位: 1.Univ Bologna, Dept Biol Geol & Environm Sci, Via Irnerio 42, I-40126 Bologna, Italy
2.Inst Cultural Heritage, Via Galliera 21, I-40121 Bologna, Italy
3.Univ Bologna, Dept Chem Giacomo Ciamician, Via Selmi 2, I-40126 Bologna, Italy

Recommended Citation:
Salinitro, Mirko,Alessandrini, Alessandro,Zappi, Alessandro,et al. Impact of climate change and urban development on the flora of a southern European city: analysis of biodiversity change over a 120-year period[J]. SCIENTIFIC REPORTS,2019-01-01,9
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