期刊
IBIS
卷 160, 期 3, 页码 634-646出版社
WILEY
DOI: 10.1111/ibi.12554
关键词
species distribution; traffic noise; urban ecology; urban effect; urbanization
类别
资金
- Polish Ministry of Science and Higher Education [DS 3404]
At present, urban areas cover almost 3% of the Earth's land surface, and this proportion is constantly increasing along with human population growth. Although urbanization leads to biodiversity decline, at the same time it creates a novel and extensive environment that is exploited by whole assemblages of organisms. These include predators, which use the matrix of different habitat types within the urban environment for breeding and/or foraging. This study investigated how attributes of the urban landscape influence the distribution pattern of a nocturnal acoustic predator, the Tawny Owl Strix aluco. The probability of occurrence of this species was correlated with the presence of natural forests, and the increasing size of wooded habitat patches within the urban landscape; however, Tawny Owls were less likely to occur at sites with high noise levels at night. Our study suggests that the distribution pattern of acoustic predators is shaped by the availability of primary habitat but reduced by noise intensity (which may decrease hunting efficiency). The Tawny Owl is a top predator in the urban environment and its presence/absence may therefore affect populations of other species; this provides clear evidence of the indirect effect of noise pollution on animal populations inhabiting urban environments.
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