Spatial prioritization for urban Biodiversity Quality using biotope maps and expert opinion

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Jalkanen , J , Vierikko , K & Moilanen , A 2020 , ' Spatial prioritization for urban Biodiversity Quality using biotope maps and expert opinion ' , Urban Forestry & Urban Greening , vol. 49 , 126586 .

Title: Spatial prioritization for urban Biodiversity Quality using biotope maps and expert opinion
Author: Jalkanen, Joel; Vierikko, Kati; Moilanen, Atte
Contributor organization: Helsinki Institute of Sustainability Science (HELSUS)
Digital Geography Lab
Department of Geosciences and Geography
Environmental Sciences
Finnish Museum of Natural History
Date: 2020-03
Language: eng
Number of pages: 11
Belongs to series: Urban Forestry & Urban Greening
ISSN: 1618-8667
Abstract: Spatial prioritization can produce useful information about biodiversity values from urban areas. However, its typical focus on (endangered) species distributions assumes a rather restricted approach to urban biodiversity. In 2006, Feest suggested that five attributes of species assemblages more holistically describe the so called "Biodiversity Quality" of an area: species richness, biomass, population density, evenness, and rarity. Here we apply these attributes in spatial prioritization for urban biodiversity, across ten taxonomic groups: vascular plants, polypores, fungi (other than polypores), birds, bats, mammals (other than bats), herpetofauna, butterflies, hymenoptera, and beetles. In addition, we introduce two more attributes relevant for urban biodiversity conservation: support for specialist species and regional representativeness of the species assemblages. First, spatial data about local urban biotopes was acquired. For each taxon, the capacity of each urban biotope to support the seven introduced attributes of Biodiversity Quality was evaluated via expert elicitation. Expert opinion was then translated into a spatial analysis implemented with the Zonation software. Different anthropogenic, semi-natural, and natural habitats, such as herb-rich forests, lakeshores, open wastelands, fortifications, and botanical gardens, were identified as important for urban Biodiversity Quality. To minimize negative impact on biodiversity, future construction and development should be directed to built-up areas and agricultural fields. Our conception of urban biodiversity lies in between species- and habitat/ecosystem -based analyses and offers a more comprehensive perception of urban biodiversity than a focus on species distributions only, which facilitates the planning of ecologically sustainable cities and biodiverse urban green infrastructure.
Subject: 1172 Environmental sciences
Peer reviewed: Yes
Rights: cc_by
Usage restriction: openAccess
Self-archived version: publishedVersion

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