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Título: | Urbanization affects oak–pathogen interactions across spatial scales |
Autor: | Van Dijk, Laura J. A.; Moreira Tomé, Xoaquín CSIC ORCID; Barr, Anna E.; Abdala-Roberts, Luis; Castagneyrol, Bastien; Faticov, María; Hardwick, Bess; Ten Hoopen, Jan P. J. G.; Mata Pombo, Raúl de la; Pires, Ricardo Matheus; Roslin, Tomas; Schigel, Dmitry S.; Timmermans, Bart G. H.; Tack, Ayco J. M. | Palabras clave: | Connectivity Local habitat quality Oak powdery mildew Phenolic compounds Plant–pathogen interactions Quercus robur |
Fecha de publicación: | 13-dic-2021 | Editor: | John Wiley & Sons | Citación: | Ecography 2022 (2022) | Resumen: | The world is rapidly urbanizing, thereby transforming natural landscapes and changing the abundance and distribution of organisms. However, insights into the effects of urbanization on species interactions, and plant–pathogen interactions in particular, are lacking. We investigated the effects of urbanization on powdery mildew infection on Quercus robur at continental and within-city scales. At the continental scale, we compared infection levels between urban and rural areas of different-sized cities in Europe, and investigated whether plant traits, climatic variables and CO emissions mediated the effect of urbanization on infection levels. Within one large city (Stockholm, Sweden), we further explored whether local habitat features and spatial connectivity influenced infection levels during multiple years. At the continental scale, infection severity was consistently higher on trees in urban than rural areas, with some indication that temperature mediated this effect. Within Stockholm city, temperature had no effect, while local accumulation of leaf litter negatively affected powdery mildew incidence in one out of three years, and more connected trees had lower infection levels. This study is the first to describe the effects of urbanization on plant–pathogen interactions both within and among cities, and to uncover the potential mechanisms behind the observed patterns at each scale. | Versión del editor: | http://dx.doi.org/10.1111/ecog.06091 | URI: | http://hdl.handle.net/10261/283562 | DOI: | 10.1111/ecog.06091 | Identificadores: | doi: 10.1111/ecog.06091 issn: 1600-0587 |
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Ecography_2021_Urbanization.pdf | 1,75 MB | Adobe PDF | Visualizar/Abrir |
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