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题名:
Low plant diversity and floristic homogenization in fast-urbanizing towns in Shandong Peninsular, China: Effects of urban greening at regional scale for ecological engineering
作者: Wang, Guang-mei1; Zuo, Jin-cheng2; Li, Xue-rong1; Liu, Yu-hong1; Yu, Jun-bao1; Shao, HongBo(邵宏波)1,3; Li, Yun-zhao1,4
刊名: ECOLOGICAL ENGINEERING
ISSN号: 0925-8574
出版日期: 2014-03-01
卷号: 64, 页码:179-185
关键词: Urban ecological greening ; Plant diversity ; Floristic homogenization ; Exotic species ; Richness difference ; Species replacement
学科分类: Ecology ; Engineering, Environmental ; Environmental Sciences
产权排序: [Wang, Guang-mei; Li, Xue-rong; Liu, Yu-hong; Yu, Jun-bao; Shao, Hong-bo; Li, Yun-zhao] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China; [Zuo, Jin-cheng] Ludong Univ, Coll Life Sci, Yantai 264025, Shandong, Peoples R China; [Shao, Hong-bo] Qingdao Univ Sci & Technol, Inst Life Sci, Qingdao 266042, Peoples R China; [Li, Yun-zhao] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
通讯作者: Yu, JB (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China. jbyu@yic.ac.cn ; shaohongbochu@126.com
中文摘要: Urban forest construction is believed as an effective method to preserve urban biodiversity and restore urban green ecosystem. However, in some fast urbanizing towns, the most urban flora in the built-up area was almost totally manmade, where is new expanded areas mainly transformed from cultivated lands. How such urban flora contribute to local and regional diversity is seldom quantitatively tested. In this study, we conducted a comprehensive investigation of man-made urban flora in 15 fast-urbanizing towns in Shandong Peninsular, China, to explore the effect of urban greening on the local and regional plant diversity. The results that showed huge investment to urban greening contribute to high urban green coverage but do not foster high plant diversity. Exotic species has lower overall dissimilarity between town pairs than native in either cultivated or wild flora. Urban greening does not result in high proportion of exotic species, however, either wild flora or cultivated flora show homogenizing tendency due to the expansion of exotic species. Nevertheless, the main driving forces are different: the wild flora are homogenized by diminished species richness difference while the cultivated flora due to the decreased species replacement. We therefore suggest biodiversity conservation should be more considered and strengthened in further urban greening. Our study could also provide useful reference data in biotic homogenization research in China. (C) 2014 Elsevier B.V. All rights reserved.
英文摘要: Urban forest construction is believed as an effective method to preserve urban biodiversity and restore urban green ecosystem. However, in some fast urbanizing towns, the most urban flora in the built-up area was almost totally manmade, where is new expanded areas mainly transformed from cultivated lands. How such urban flora contribute to local and regional diversity is seldom quantitatively tested. In this study, we conducted a comprehensive investigation of man-made urban flora in 15 fast-urbanizing towns in Shandong Peninsular, China, to explore the effect of urban greening on the local and regional plant diversity. The results that showed huge investment to urban greening contribute to high urban green coverage but do not foster high plant diversity. Exotic species has lower overall dissimilarity between town pairs than native in either cultivated or wild flora. Urban greening does not result in high proportion of exotic species, however, either wild flora or cultivated flora show homogenizing tendency due to the expansion of exotic species. Nevertheless, the main driving forces are different: the wild flora are homogenized by diminished species richness difference while the cultivated flora due to the decreased species replacement. We therefore suggest biodiversity conservation should be more considered and strengthened in further urban greening. Our study could also provide useful reference data in biotic homogenization research in China. (C) 2014 Elsevier B.V. All rights reserved.
研究领域[WOS]: Environmental Sciences & Ecology ; Engineering
关键词[WOS]: BIOTIC HOMOGENIZATION ; DECISION-MAKING ; CONSERVATION ; BIODIVERSITY ; VEGETATION ; FLORAS ; RESTORATION ; ECOSYSTEMS ; FOREST ; URBANIZATION
文章类型: Article
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000331726100021
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内容类型: 期刊论文
URI标识: http://ir.yic.ac.cn/handle/133337/6899
Appears in Collections:中科院海岸带环境过程与生态修复重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China
2.Ludong Univ, Coll Life Sci, Yantai 264025, Shandong, Peoples R China
3.Qingdao Univ Sci & Technol, Inst Life Sci, Qingdao 266042, Peoples R China
4.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Wang, Guang-mei,Zuo, Jin-cheng,Li, Xue-rong,et al. Low plant diversity and floristic homogenization in fast-urbanizing towns in Shandong Peninsular, China: Effects of urban greening at regional scale for ecological engineering[J]. ECOLOGICAL ENGINEERING,2014,64:179-185.
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