University of Oulu

Kyrö K, Kankaanpää T, Vesterinen EJ, Lehvävirta S and Kotze DJ (2022) Arthropod Communities on Young Vegetated Roofs Are More Similar to Each Other Than to Communities at Ground Level. Front. Ecol. Evol. 10:785448. doi: 10.3389/fevo.2022.785448

Arthropod communities on young vegetated roofs are more similar to each other than to communities at ground level

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Author: Kyrö, Kukka1; Kankaanpää, Tuomas2,3; Vesterinen, Eero J.4,5;
Organizations: 1Faculty of Biological and Environmental Sciences, Ecosystems and Environment Research Programme, University of Helsinki, Helsinki, Finland
2Faculty of Agriculture and Forestry, University of Helsinki, Helsinki, Finland
3Ecology and Genetics Research Unit, University of Oulu, Oulu, Finland
4Department of Ecology, Swedish University of Agricultural Sciences, Uppsala, Sweden
5Department of Biology, University of Turku, Turku, Finland
6Department of Landscape Architecture, Planning and Management, Swedish University of Agricultural Sciences, Alnarp, Sweden
Format: article
Version: published version
Access: open
Online Access: PDF Full Text (PDF, 7.1 MB)
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Language: English
Published: Frontiers Media, 2022
Publish Date: 2022-05-17


Vegetated roofs are human-manufactured ecosystems and potentially promising conservation tools for various taxa and habitats. Focussing on arthropods, we conducted a 3 year study on newly constructed vegetated roofs with shallow substrates (up to 10 cm) and vegetation established with pre-grown mats, plug plants and seeds to describe pioneer arthropod communities on roofs and to compare them with ground level communities. We vacuum sampled arthropods from the roofs and nearby ground level sites with low, open vegetation, i.e., potential source habitats. We showed that the roofs and ground sites resembled each other for ordinal species richness but differed in community composition: with time the roofs started to resemble each other rather than their closest ground level habitats. Species richness increased with time on roofs and at ground level, but the roofs had consistently less species than the ground sites and only a few species were unique to the roofs. Also, the proportion of predators increased on roofs, while not at ground level. We conclude that vegetated roofs established with similar substrates and vegetation, filter arthropods in a way that produces novel communities that are different from those at ground level but similar to one another. The role of these insular communities in species networks and ecosystem function remains to be investigated.

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Series: Frontiers in ecology and evolution
ISSN: 2296-701X
ISSN-E: 2296-701X
ISSN-L: 2296-701X
Volume: 10
Article number: 785448
DOI: 10.3389/fevo.2022.785448
Type of Publication: A1 Journal article – refereed
Field of Science: 1172 Environmental sciences
1181 Ecology, evolutionary biology
Funding: This study has been funded by the Maj and Tor Nessling Foundation, Kuopion Luonnonystäväin yhdistys, Societas pro Fauna et Flora Fennica, Carl Tryggers Stiftelse för Vetenskaplig Forskning (grant CTS 17:383), Jane and Aatos Erkko Foundation, Suomen Hyönteistieteellinen Seura, Uudenmaan liitto, TA Companies and Arkta Reponen Oy.
Copyright information: © 2022 Kyrö, Kankaanpää, Vesterinen, Lehvävirta and Kotze. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.