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Urbanisation and forest size affect the infestation rates of plant-galling arthropods and damage by herbivorous insects

Meyer, Sandro and Rusterholz, Hans-Peter and Baur, Bruno. (2020) Urbanisation and forest size affect the infestation rates of plant-galling arthropods and damage by herbivorous insects. European journal of entomology (117). pp. 34-48.

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Official URL: https://edoc.unibas.ch/80340/

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Abstract

Urbanisation is increasing globally and is considered to be a main driver of environmental change. Urbanisation-related factors include reduced habitat size and increased spatial isolation of the remaining habitats. As a consequence, the dynamics of plant and animal populations may change, which in turn might influence the quality and quantity of plant resources. Thus, urbanisation has the potential to disturb plant-animal interactions such as herbivory or galling. In the urban-rural setting of Basel (Switzerland), we aimed to assess whether the degree of urbanisation and forest size influence plant-galling infestation rates and leaf damage by mining and chewing arthropods on three tree species (sycamore, beech, and ash). We recorded species-specific responses to the degree of urbanisation and forest size. Gall infestation rate on sycamore leaves was affected by urbanisation but not by forest size. In contrast, gall infestation rates of beech gall midges responded sensitively to increasing urbanisation and decreasing forest size. The total leaf area damage caused by mining and chewing arthropods on sycamore was influenced by urbanisation and increased with increasing forest size. Leaf area damage by miners in beech tended to be affected by the degree of urbanisation, but not in ash. Urbanisation and forest size have the potential to alter herbivorous insect abundances. However, the effects depend on tree species and herbivore guild.
Faculties and Departments:05 Faculty of Science > Departement Umweltwissenschaften > Integrative Biologie > Naturschutzbiologie (Baur)
UniBasel Contributors:Rusterholz, Hans-Peter and Meyer, Sandro and Baur, Bruno
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Institute of Entomology
ISSN:1210-5759
e-ISSN:1802-8829
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:14 Apr 2021 09:49
Deposited On:14 Apr 2021 09:49

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