Abstract:
:Habitats along linear infrastructure, such as roads and electrical transmission lines, can have high local biodiversity. To determine whether these habitats also contribute to landscape-scale biodiversity, we estimated species richness, evenness and phylogenetic diversity of plant, butterfly and bumblebee communities in 32 km2 landscapes with or without power line corridors, and with contrasting areas of road verges. Landscapes with power line corridors had on average six more plant species than landscapes without power lines, but there was no such effect for butterflies and bumblebees. Plant communities displayed considerable evenness in species abundances both in landscapes with and without power lines and high and low road verge densities. We hypothesize that the higher number of plant species in landscapes with power line corridors is due to these landscapes having a higher extinction debt than the landscapes without power line corridors, such that plant diversity is declining slower in landscapes with power lines. This calls for targeted conservation actions in semi-natural grasslands within landscapes with power line corridors to maintain biodiversity and prevent imminent population extinctions.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Dániel-Ferreira J,Bommarco R,Wissman J,Öckinger Edoi
10.1038/s41598-020-78090-ysubject
Has Abstractpub_date
2020-12-07 00:00:00pages
21374issue
1issn
2045-2322pii
10.1038/s41598-020-78090-yjournal_volume
10pub_type
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