It’s a city full of personalities

The impact of urbanization on the shrews: a city full of privacy

The large white toothed reed (Crocidura russula). It is spreading in Europe and is known to be invasive on some islands, including Ireland. Found: Ana Cerveira

Although the reeds are not visible or invisible, there are a lot of these little fat things. For one thing, Crocidura russula (Crocidura russula) is more common: it grows in Europe and is known to be invasive on some islands, including Ireland. Therefore, it is important to understand how this trend in modern environments – for example, in cities – can accurately predict the speed of growth.

Preliminary research confirmed what was previously known for other species: white -toothed from the city was more fearless than animals from the countryside. Now, a study is published in a journal Make animals showing that people from urban areas are different in appearance from people from rural areas.

“Perhaps, the different social characteristics of the city are based on the high heterogeneity and physicality in the urban areas,” said Sophie von Merten, lead author of the study, a researcher at the Center for Environmental and Marine Studies – CESAM, in the Faculty of Sciences. University of Lisbon (Portugal).

The townspeople studied here came from a variety of backgrounds: from small pieces of vegetation on the campus, from trees to city parks frequented by people. and their dogs, and from the abandoned green areas by the main street of the great city, where the noise rises. high but not directly disturbed by humans. In contrast, there is less noise or light pollution and less direct disturbance by humans.

The impact of urbanization on the shrews: a city full of privacy

The large white toothed reed (Crocidura russula). It is spreading in Europe and is known to be invasive on some islands, including Ireland. Found: Ana Cerveira

These effects were found in two different types of sorex: the so -called sorex araneus, which is more adaptive to the cold and studied in Poland; and the larger the white tooth, the more likely it is to be hot -tempered and educated in Portugal.

“The fact that the results are obtained in two different ways to each other shows a common pattern,” explains Leszek Rychlik, Professor at Adam Mickiewicz University (Poland) and organizer of this study. He added: “While cities around the world continue to grow, studies like ours are important to better understand the effects of urbanization on wildlife.

The impact of urbanization on the shrews: a city full of privacy

The common language (Sorex araneus) is more adaptive to the cold. Found: Richard Kraft


Recent and clear evidence that man is the main force driving evolution


More information:
Sophie von Merten et al, show that there are many more differences between people than between locals. Make animals (2022). DOI: 10.1016 / j.anbehav.2022.02.012

Flávio G Oliveira et al, Metabolic and behavioral adaptations of more white-toothed shrews to urban conditions, Personal Environment (2020). DOI: 10.1093 / beheco / ara088

Presented by the University of Lisbon

Directions: The impact of urban education on youth: A city full of personalities (2022, April 4) retrieved 4 April 2022 from https://phys.org/news/2022-04-impact- urbanization-shrews-city-full.html

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