NDLI: Urbanization promotes non-native woody species and diverse plant assemblages in the New York metropolitan region

Content Provider	Springer Nature Link
Author	Aronson, Myla F. J. Handel, Steven N. Puma, Inga P. Clemants, Steven E.
Copyright Year	2014
Abstract	The rapid urbanization of the world has significant ecological consequences that shape global biodiversity patterns. The plant communities now common in urban centers may represent new habitats with unique dynamics and the potential for highly modified ecological services. This study, joining extensive spatial and floristic data sets, examined current distribution patterns of non-native and native woody plant species in the New York metropolitan region, USA. We joined the New York Metropolitan Flora (NYMF) database of woody species with GIS data of urban land cover for 297 5 km by 5 km landscape blocks. We tested the relationship between urbanization and native and non-native species richness patterns, the extent of non-native species presence in the urban area, and the change in beta diversity across a gradient of urban land cover. We found that across the urban–rural gradient, native plant species richness decreased and non-native species richness increased with increasing urban land cover. Total richness does not change across the urban–rural gradient. Our analyses show that these patterns are highly correlated with urbanization, but vary across the New Jersey landscape. We also found an increase in beta diversity with urbanization; urban areas are not homogenized in plant species composition compared to rural areas. Here we show a species-rich flora dominated by non-native species which are differentiating the urban flora. These results can help guide appropriate conservation decisions for the maintenance of plant biodiversity in cities.
Starting Page	31
Ending Page	45
Page Count	15
File Format	PDF
ISSN	10838155
Journal	Urban Ecosystems
Volume Number	18
Issue Number	1
e-ISSN	15731642
Language	English
Publisher	Springer US
Publisher Date	2014-07-17
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Beta diversity Biotic homogenization New Jersey Plant biodiversity Urban floras Urban Ecology Environmental Management Ecology Nature Conservation
Content Type	Text
Resource Type	Article
Subject	Ecology Urban Studies

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