Publication type: Contribution to magazine or newspaper
Title: A global comparison of beetle community composition on green roofs and the potential for homogenization
Authors: Starry, Olyssa
Gonsalves, Sydney
Ksiazek-Mikenas, Kelly
MacIvor, J. Scott
Gardner, Maggie
Szallies, Alexander
Brenneisen, Stephan
Published in: Urban Naturalist
Volume(Issue): 2018
Issue: 1
Pages: 1
Pages to: 15
Issue Date: Jan-2018
Publisher / Ed. Institution: Eagle Hill Publications
ISSN: 2328-8964
Language: English
Subjects: Urban ecology; Green roofs; Beetles; Biodiversity
Subject (DDC): 590: Animals (Zoology)
712: Landscape architecture
Abstract: Globalization may confer a competitive advantage to species that are urban exploiters and result in homogenization of communities in cities. We tested the application of this hypothesis to green roofs. Using body size as a proxy for life-history strategy, we compared small-bodied and large-bodied subsets of beetle communities from 5 cities in Europe and North America. We found that city was an important organizer of both subsets, though more so for the large-bodied one. This result suggests either resilience against homogenization or simply that not enough time has occurred for it to develop. A majority of the 10 most-abundant species found in the North American cities were non-native, in contrast to those found in European cities, a majority of which were native. These findings signal that more research is needed to track drivers of homogenization, such as functional composition, on rooftops as well as in other urban green spaces.
Further description: Special Issue
Fulltext version: Published version
License (according to publishing contract): Not specified
Departement: Life Sciences and Facility Management
Organisational Unit: Institute of Natural Resource Sciences (IUNR)
Appears in collections:Publikationen Life Sciences und Facility Management

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