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Urban moth communit...
Urban moth communities suggest that life in the city favours thermophilic multi-dimensional generalists
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- Franzén, Markus (author)
- Linnaeus University,Linnéuniversitetet,Institutionen för biologi och miljö (BOM),Ctr Ecol & Evolut Microbial Model Syst EEMiS
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- Betzholtz, Per-Eric (author)
- Linnaeus University,Linnéuniversitetet,Institutionen för biologi och miljö (BOM)
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- Pettersson, Lars B. (author)
- Lund University,Lunds universitet,Biodiversitet,Biologiska institutionen,Naturvetenskapliga fakulteten,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Biodiversity,Department of Biology,Faculty of Science,Centre for Environmental and Climate Science (CEC)
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- Forsman, Anders, 1962- (author)
- Linnaeus University,Linnéuniversitetet,Institutionen för biologi och miljö (BOM),Ctr Ecol & Evolut Microbial Model Syst EEMiS
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(creator_code:org_t)
- 2020-06-10
- 2020
- English.
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In: Proceedings of the Royal Society of London. Biological Sciences. - : The Royal Society. - 0962-8452 .- 1471-2954. ; 287:1928, s. 1-10
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Abstract
Subject headings
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- Biodiversity is challenged worldwide by exploitation, global warming, changes in land use and increasing urbanization. It is hypothesized that communities in urban areas should consist primarily of generalist species with broad niches that are able to cope with novel, variable, fragmented, warmer and unpredictable environments shaped by human pressures. We surveyed moth communities in three cities in northern Europe and compared them with neighbouring moth assemblages constituting species pools of potential colonizers. We found that urban moth communities consisted of multi-dimensional generalist species that had larger distribution ranges, more variable colour patterns, longer reproductive seasons, broader diets, were more likely to overwinter as an egg, more thermophilic, and occupied more habitat types compared with moth communities in surrounding areas. When body size was analysed separately, results indicated that city occupancy was associated with larger size, but this effect disappeared when body size was analysed together with the other traits. Our findings indicate that urbanization imposes a spatial filtering process in favour of thermophilic species characterized by high intraspecific diversity and multi-dimensional generalist lifestyles over specialized species with narrow niches.
Subject headings
- NATURVETENSKAP -- Biologi -- Evolutionsbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Evolutionary Biology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Keyword
- generalization
- global change
- moths
- specialization
- species traits
- urbanization
- Evolutionary Biology
- Evolutionsbiologi
- generalization
- global change
- moths
- specialization
- species traits
- urbanization
Publication and Content Type
- ref (subject category)
- art (subject category)
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