Colonization of Warsaw by the red fox Vulpes vulpes in the years 1976–2019

Abstract The red fox is one of the most adaptable carnivores inhabiting cities. The aim of our study was to describe the process of Warsaw colonization by the red fox. We focused on: (1) the fox distribution in Warsaw on the basis of presence-absence data (2005–2012) over a grid of 1 × 1 km2, (2) th...

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Main Authors: Mateusz Jackowiak, Jakub Gryz, Karolina Jasińska, Michał Brach, Leszek Bolibok, Piotr Kowal, Dagny Krauze-Gryz
Format: Article
Language:English
Published: Nature Portfolio 2021-07-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-021-92844-2
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author Mateusz Jackowiak
Jakub Gryz
Karolina Jasińska
Michał Brach
Leszek Bolibok
Piotr Kowal
Dagny Krauze-Gryz
author_facet Mateusz Jackowiak
Jakub Gryz
Karolina Jasińska
Michał Brach
Leszek Bolibok
Piotr Kowal
Dagny Krauze-Gryz
author_sort Mateusz Jackowiak
collection DOAJ
description Abstract The red fox is one of the most adaptable carnivores inhabiting cities. The aim of our study was to describe the process of Warsaw colonization by the red fox. We focused on: (1) the fox distribution in Warsaw on the basis of presence-absence data (2005–2012) over a grid of 1 × 1 km2, (2) the process of settlement in 29 green areas (study periods 1976–1978, 2004–2012, and 2016–2019) in relation to habitat type, and (3) temporal and spatial patterns of the red fox incidents (1998–2015) reported by Warsaw citizens. We found out that: (1) the red fox penetrated the whole city (i.e. its presence was confirmed in all squares of the grid), (2) 21% of the green areas were colonized in 1976–1978 but 93% in 2016–2019. Forests and riparian habitats were occupied more frequently than parks and cemeteries in 1976–1978 with no difference in the further years; (3) the probability of the fox incidents increased over years, was higher in June-October, on working days, and around noon, and with the share of discontinuous urban fabric in the buffers around incident locations. Nevertheless, the incidents only partially reflect population abundance trends and activity patterns of the species, so should be treated cautiously.
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spelling doaj.art-10bb67e098e644d49f1f2dbb46dd88502022-12-21T19:10:38ZengNature PortfolioScientific Reports2045-23222021-07-0111111310.1038/s41598-021-92844-2Colonization of Warsaw by the red fox Vulpes vulpes in the years 1976–2019Mateusz Jackowiak0Jakub Gryz1Karolina Jasińska2Michał Brach3Leszek Bolibok4Piotr Kowal5Dagny Krauze-Gryz6Central Laboratory for Environmental Analysis - CentLab, Institute of Environmental Protection - National Research InstituteDepartment of Forest Ecology, Forest Research InstituteDepartment of Forest Zoology and Wildlife Management, Institute of Forest Sciences, Warsaw University of Life Sciences WULS-SGGWDepartment of Geomatics and Land Management, Institute of Forest Sciences, Warsaw University of Life Sciences WULS-SGGWDepartment of Forest Silviculture, Institute of Forest Sciences, Warsaw University of Life Sciences WULS-SGGWDepartment of Forest Zoology and Wildlife Management, Institute of Forest Sciences, Warsaw University of Life Sciences WULS-SGGWDepartment of Forest Zoology and Wildlife Management, Institute of Forest Sciences, Warsaw University of Life Sciences WULS-SGGWAbstract The red fox is one of the most adaptable carnivores inhabiting cities. The aim of our study was to describe the process of Warsaw colonization by the red fox. We focused on: (1) the fox distribution in Warsaw on the basis of presence-absence data (2005–2012) over a grid of 1 × 1 km2, (2) the process of settlement in 29 green areas (study periods 1976–1978, 2004–2012, and 2016–2019) in relation to habitat type, and (3) temporal and spatial patterns of the red fox incidents (1998–2015) reported by Warsaw citizens. We found out that: (1) the red fox penetrated the whole city (i.e. its presence was confirmed in all squares of the grid), (2) 21% of the green areas were colonized in 1976–1978 but 93% in 2016–2019. Forests and riparian habitats were occupied more frequently than parks and cemeteries in 1976–1978 with no difference in the further years; (3) the probability of the fox incidents increased over years, was higher in June-October, on working days, and around noon, and with the share of discontinuous urban fabric in the buffers around incident locations. Nevertheless, the incidents only partially reflect population abundance trends and activity patterns of the species, so should be treated cautiously.https://doi.org/10.1038/s41598-021-92844-2
spellingShingle Mateusz Jackowiak
Jakub Gryz
Karolina Jasińska
Michał Brach
Leszek Bolibok
Piotr Kowal
Dagny Krauze-Gryz
Colonization of Warsaw by the red fox Vulpes vulpes in the years 1976–2019
Scientific Reports
title Colonization of Warsaw by the red fox Vulpes vulpes in the years 1976–2019
title_full Colonization of Warsaw by the red fox Vulpes vulpes in the years 1976–2019
title_fullStr Colonization of Warsaw by the red fox Vulpes vulpes in the years 1976–2019
title_full_unstemmed Colonization of Warsaw by the red fox Vulpes vulpes in the years 1976–2019
title_short Colonization of Warsaw by the red fox Vulpes vulpes in the years 1976–2019
title_sort colonization of warsaw by the red fox vulpes vulpes in the years 1976 2019
url https://doi.org/10.1038/s41598-021-92844-2
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