Both semi-natural and ruderal habitats matter for supporting insect functional diversity in an abandoned quarry in the city of Kraków (S Poland)

Konrad Kalarus , Wiktor Halecki , Tomasz Skalski

Abstract

Urban areas are beginning to be recognized as having potential for biodiversity conservation because of the relatively high richness of some taxa. However, little is known about what functional groups of organisms constitute this richness. We investigated biodiversity patterns in an abandoned quarry using the Rapid Biodiversity Assessment method based on insect groups according to their trophic guilds. We assessed the value of semi-natural and ruderal habitats. The ruderal sites were characterized by a higher diversity and abundance of phytophagous beetles and, unexpectedly, of parasitoids and predatory beetles, whereas the reverse was true for Hemiptera and Aculeata. Patterns of α-diversity were impacted by different factors than β-diversity: these primarily acted in opposite directions, depending on the habitat type. Species richness was positively related to the woody surroundings of habitat patches on semi-natural sites, but negatively related on ruderal sites. The Dominance index was negatively affected by human impact. Insect assemblages were diversified by taller vegetation, higher nutrient content, lesser human impact and a lower level of insolation in the grasslands with ruderal vegetation than in the semi-natural grasslands. A particular habitat type may constitute a source for some insect groups but a sink for others. Ruderal habitats utilized as a substitute for loss of the semi-natural vegetation are essential for the preservation of insect functional diversity and are suitable for vulnerable groups such as Parasitica. Post-industrial areas with a habitat mosaic of semi-natural and ruderal sites may enrich biodiversity in the urban landscape.
Author Konrad Kalarus
Konrad Kalarus,,
-
, Wiktor Halecki (FoEEaLS / DoLRaED)
Wiktor Halecki,,
- Department of Land Reclamation and Environmental Development
, Tomasz Skalski
Tomasz Skalski,,
-
Journal seriesUrban Ecosystems, ISSN 1083-8155, e-ISSN 1573-1642, (N/A 70 pkt)
Issue year2019
Vol22
No5
Pages943-953
Publication size in sheets0.5
Keywords in EnglishHabitat fragmentation, Habitat selection, Insect conservation, Mosaic landscape, Urban landscape, Zakrzówek Quarry
ASJC Classification3322 Urban Studies; 2303 Ecology
DOIDOI:10.1007/s11252-019-00869-3
URL https://link.springer.com/content/pdf/10.1007%2Fs11252-019-00869-3.pdf
Internal identifierWIŚIG/2019/81
Languageen angielski
LicenseJournal (articles only); author's original; Uznanie Autorstwa (CC-BY); after publication
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Both semi-natural and ruderal habitats matter for supporting insect functional diversity in an abandoned quarry in the city of Kraków (S Poland) of 17-10-2019
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Score (nominal)70
Score sourcejournalList
Publication indicators WoS Citations = 0; Scopus SNIP (Source Normalised Impact per Paper): 2016 = 0.989; WoS Impact Factor: 2018 = 2.493 (2) - 2018=2.781 (5)
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