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  1. Article: Climate matching and anthropogenic factors contribute to the colonization and extinction of local populations during avian invasions

    Cardador, Laura / Tella, José L. / Louvrier, Julie / Anadón, José D. / Abellán, Pedro / Carrete, Martina

    Diversity & distributions. 2022 Sept., v. 28, no. 9

    2022  

    Abstract: AIM: Concern about the impacts of biological invasions has generated a great deal of interest in understanding factors that determine invasion success. Most of our current knowledge comes from static approaches that use spatial patterns as a proxy of ... ...

    Abstract AIM: Concern about the impacts of biological invasions has generated a great deal of interest in understanding factors that determine invasion success. Most of our current knowledge comes from static approaches that use spatial patterns as a proxy of temporal processes. These approaches assume that species are present in areas where environmental conditions are the most favourable. However, this assumption is problematic when applied to dynamic processes such as species expansions when equilibrium has not been reached. LOCATION: Iberian Peninsula. TAXON: Birds. METHODS: In our work, we analyse the roles played by human activities, climatic matching and spatial connectivity on the two main underlying processes shaping the spread of invasive species (i.e. colonization and extinction) using a dynamic modelling approach. We use a large data set that has recorded the occurrence of two invasive bird species—the ring‐necked (Psittacula krameri) and the monk (Myiopsitta monachus) parakeets—in the Iberian Peninsula from 1991 to 2016. RESULTS: Human activities and climate matching play a role on species range dynamics. Human influence and urbanization were the most relevant factors explaining colonization. Additionally, an effect of climate matching was found. Persistence (the inverse of extinction) was mainly affected by human influence for the monk parakeet and by the extent of urban environments for the ring‐necked parakeet. MAIN CONCLUSIONS: Human activities play a major role not only on colonization of new locations, but also on persistence during range expansion. Additionally, natural processes—notably climate matching—also affect new colonizations. These findings add to our understanding of the mechanisms that might allow alien species to expand their geographic range at new locations and might help to improve our capacity to assess invasion risks and impacts accurately.
    Keywords Myiopsitta monachus ; Psittacula krameri ; climate ; colonizing ability ; data collection ; extinction ; geographical distribution ; humans ; introduced species ; invasive species ; parakeets ; urbanization ; Iberian Peninsula
    Language English
    Dates of publication 2022-09
    Size p. 1908-1921.
    Publishing place John Wiley & Sons, Ltd
    Document type Article
    Note JOURNAL ARTICLE
    ZDB-ID 2020139-4
    ISSN 1472-4642 ; 1366-9516
    ISSN (online) 1472-4642
    ISSN 1366-9516
    DOI 10.1111/ddi.13591
    Database NAL-Catalogue (AGRICOLA)

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  2. Article: Accounting for misidentification and heterogeneity in occupancy studies using hidden Markov models

    Louvrier, Julie / Thierry Chambert / Eric Marboutin / Olivier Gimenez

    Ecological modelling. 2018 Nov. 10, v. 387

    2018  

    Abstract: Occupancy models allow assessing species occurrence while accounting for imperfect detection. As with any statistical models, occupancy models rely on several assumptions amongst which (i) there should be no unmodelled heterogeneity in the detection ... ...

    Abstract Occupancy models allow assessing species occurrence while accounting for imperfect detection. As with any statistical models, occupancy models rely on several assumptions amongst which (i) there should be no unmodelled heterogeneity in the detection probability and (ii) the species should not be detected when absent from a site, in other words there should be no false positives (e.g., due to misidentification). In the real world, these two assumptions are often violated. To date, models accounting simultaneously for both detection heterogeneity and false positives are yet to be developed. Here, we first show how occupancy models with false positives can be formulated as hidden Markov models (HMM). Second, benefiting from the HMM framework flexibility, we extend models with false positives to account for heterogeneity with finite mixtures. First, using simulations, we demonstrate that, as the level of heterogeneity increases, occupancy models accounting for both heterogeneity and misidentification perform better in terms of bias and precision than models accounting for misidentification only. Next, we illustrate the implementation of our new model to a real case study with grey wolves (Canis lupus) in France. We demonstrate that heterogeneity in wolf detection (false negatives) is mainly due to a heterogeneous sampling effort across space. In addition to providing a novel modeling formulation, this work illustrates the flexibility of HMM framework to formulate complex ecological models and relax important assumptions that are not always likely to hold. In particular, we show how to decompose the model structure in several simple components, in a way that provides much clearer ecological interpretation.
    Keywords Canis lupus ; Markov chain ; case studies ; statistical models ; wolves ; France
    Language English
    Dates of publication 2018-1110
    Size p. 61-69.
    Publishing place Elsevier B.V.
    Document type Article
    ZDB-ID 191971-4
    ISSN 0304-3800
    ISSN 0304-3800
    DOI 10.1016/j.ecolmodel.2018.09.002
    Database NAL-Catalogue (AGRICOLA)

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  3. Book ; Online: Climate matching and anthropogenic factors contribute to the colonization and extinction of local populations during avian invasions

    Cardador, Laura / Tella, José / Louvrier, Julie / Anadon, Jose Daniel / Abellan, Pedro / Carrete, Martina

    http://lobid.org/resources/99370697946406441#!, 28(9):1908-1921

    2022  

    Abstract: AIM: Concern about the impacts of biological invasions has generated a great deal of interest in understanding factors that determine invasion success. Most of our current knowledge comes from static approaches that use spatial patterns as a proxy of ... ...

    Abstract AIM: Concern about the impacts of biological invasions has generated a great deal of interest in understanding factors that determine invasion success. Most of our current knowledge comes from static approaches that use spatial patterns as a proxy of temporal processes. These approaches assume that species are present in areas where environmental conditions are the most favourable. However, this assumption is problematic when applied to dynamic processes such as species expansions when equilibrium has not been reached. LOCATION: Iberian Peninsula. TAXON: Birds. METHODS: In our work, we analyse the roles played by human activities, climatic matching and spatial connectivity on the two main underlying processes shaping the spread of invasive species (i.e. colonization and extinction) using a dynamic modelling approach. We use a large data set that has recorded the occurrence of two invasive bird species—the ringâ€necked (Psittacula krameri) and the monk (Myiopsitta monachus) parakeets—in the Iberian Peninsula from 1991 to 2016. RESULTS: Human activities and climate matching play a role on species range dynamics. Human influence and urbanization were the most relevant factors explaining colonization. Additionally, an effect of climate matching was found. Persistence (the inverse of extinction) was mainly affected by human influence for the monk parakeet and by the extent of urban environments for the ringâ€necked parakeet. MAIN CONCLUSIONS: Human activities play a major role not only on colonization of new locations, but also on persistence during range expansion. Additionally, natural processes—notably climate matching—also affect new colonizations. These findings add to our understanding of the mechanisms that might allow alien species to expand their geographic range at new locations and might help to improve our capacity to assess invasion risks and impacts accurately.
    Keywords environmental-matching ; birds ; human alterations ; Ecology ; Evolution ; Behavior and Systematics ; dispersal ; spread ; biological invasions ; occupancy models
    Subject code 333
    Language English
    Publishing country de
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  4. Book ; Online: Climate matching and anthropogenic factors contribute to the colonization and extinction of local populations during avian invasions

    Cardador, Laura / Tella, José / Louvrier, Julie / Anadon, Jose Daniel / Abellan, Pedro / Carrete, Martina

    http://lobid.org/resources/99370697946406441#!, 28(9):1908-1921

    2022  

    Abstract: AIM: Concern about the impacts of biological invasions has generated a great deal of interest in understanding factors that determine invasion success. Most of our current knowledge comes from static approaches that use spatial patterns as a proxy of ... ...

    Abstract AIM: Concern about the impacts of biological invasions has generated a great deal of interest in understanding factors that determine invasion success. Most of our current knowledge comes from static approaches that use spatial patterns as a proxy of temporal processes. These approaches assume that species are present in areas where environmental conditions are the most favourable. However, this assumption is problematic when applied to dynamic processes such as species expansions when equilibrium has not been reached. LOCATION: Iberian Peninsula. TAXON: Birds. METHODS: In our work, we analyse the roles played by human activities, climatic matching and spatial connectivity on the two main underlying processes shaping the spread of invasive species (i.e. colonization and extinction) using a dynamic modelling approach. We use a large data set that has recorded the occurrence of two invasive bird species—the ringâ€necked (Psittacula krameri) and the monk (Myiopsitta monachus) parakeets—in the Iberian Peninsula from 1991 to 2016. RESULTS: Human activities and climate matching play a role on species range dynamics. Human influence and urbanization were the most relevant factors explaining colonization. Additionally, an effect of climate matching was found. Persistence (the inverse of extinction) was mainly affected by human influence for the monk parakeet and by the extent of urban environments for the ringâ€necked parakeet. MAIN CONCLUSIONS: Human activities play a major role not only on colonization of new locations, but also on persistence during range expansion. Additionally, natural processes—notably climate matching—also affect new colonizations. These findings add to our understanding of the mechanisms that might allow alien species to expand their geographic range at new locations and might help to improve our capacity to assess invasion risks and impacts accurately.
    Keywords environmental-matching ; birds ; human alterations ; Ecology ; Evolution ; Behavior and Systematics ; dispersal ; spread ; biological invasions ; occupancy models
    Subject code 333
    Language English
    Publishing country de
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  5. Book ; Online: Climate matching and anthropogenic factors contribute to the colonization and extinction of local populations during avian invasions

    Cardador, Laura / Tella, José / Louvrier, Julie / Anadon, Jose Daniel / Abellan, Pedro / Carrete, Martina

    http://lobid.org/resources/99370697946406441#!, 28(9):1908-1921

    2022  

    Abstract: AIM: Concern about the impacts of biological invasions has generated a great deal of interest in understanding factors that determine invasion success. Most of our current knowledge comes from static approaches that use spatial patterns as a proxy of ... ...

    Abstract AIM: Concern about the impacts of biological invasions has generated a great deal of interest in understanding factors that determine invasion success. Most of our current knowledge comes from static approaches that use spatial patterns as a proxy of temporal processes. These approaches assume that species are present in areas where environmental conditions are the most favourable. However, this assumption is problematic when applied to dynamic processes such as species expansions when equilibrium has not been reached. LOCATION: Iberian Peninsula. TAXON: Birds. METHODS: In our work, we analyse the roles played by human activities, climatic matching and spatial connectivity on the two main underlying processes shaping the spread of invasive species (i.e. colonization and extinction) using a dynamic modelling approach. We use a large data set that has recorded the occurrence of two invasive bird species—the ringâ€necked (Psittacula krameri) and the monk (Myiopsitta monachus) parakeets—in the Iberian Peninsula from 1991 to 2016. RESULTS: Human activities and climate matching play a role on species range dynamics. Human influence and urbanization were the most relevant factors explaining colonization. Additionally, an effect of climate matching was found. Persistence (the inverse of extinction) was mainly affected by human influence for the monk parakeet and by the extent of urban environments for the ringâ€necked parakeet. MAIN CONCLUSIONS: Human activities play a major role not only on colonization of new locations, but also on persistence during range expansion. Additionally, natural processes—notably climate matching—also affect new colonizations. These findings add to our understanding of the mechanisms that might allow alien species to expand their geographic range at new locations and might help to improve our capacity to assess invasion risks and impacts accurately.
    Keywords environmental-matching ; birds ; human alterations ; Ecology ; Evolution ; Behavior and Systematics ; dispersal ; spread ; biological invasions ; occupancy models
    Subject code 333
    Language English
    Publishing country de
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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    Kategorien

  6. Book ; Online: Climate matching and anthropogenic factors contribute to the colonization and extinction of local populations during avian invasions

    Cardador, Laura / Tella, José / Louvrier, Julie / Anadon, Jose Daniel / Abellan, Pedro / Carrete, Martina

    http://lobid.org/resources/99370697946406441#!, 28(9):1908-1921

    2022  

    Abstract: AIM: Concern about the impacts of biological invasions has generated a great deal of interest in understanding factors that determine invasion success. Most of our current knowledge comes from static approaches that use spatial patterns as a proxy of ... ...

    Abstract AIM: Concern about the impacts of biological invasions has generated a great deal of interest in understanding factors that determine invasion success. Most of our current knowledge comes from static approaches that use spatial patterns as a proxy of temporal processes. These approaches assume that species are present in areas where environmental conditions are the most favourable. However, this assumption is problematic when applied to dynamic processes such as species expansions when equilibrium has not been reached. LOCATION: Iberian Peninsula. TAXON: Birds. METHODS: In our work, we analyse the roles played by human activities, climatic matching and spatial connectivity on the two main underlying processes shaping the spread of invasive species (i.e. colonization and extinction) using a dynamic modelling approach. We use a large data set that has recorded the occurrence of two invasive bird species—the ringâ€necked (Psittacula krameri) and the monk (Myiopsitta monachus) parakeets—in the Iberian Peninsula from 1991 to 2016. RESULTS: Human activities and climate matching play a role on species range dynamics. Human influence and urbanization were the most relevant factors explaining colonization. Additionally, an effect of climate matching was found. Persistence (the inverse of extinction) was mainly affected by human influence for the monk parakeet and by the extent of urban environments for the ringâ€necked parakeet. MAIN CONCLUSIONS: Human activities play a major role not only on colonization of new locations, but also on persistence during range expansion. Additionally, natural processes—notably climate matching—also affect new colonizations. These findings add to our understanding of the mechanisms that might allow alien species to expand their geographic range at new locations and might help to improve our capacity to assess invasion risks and impacts accurately.
    Keywords environmental-matching ; birds ; human alterations ; Ecology ; Evolution ; Behavior and Systematics ; dispersal ; spread ; biological invasions ; occupancy models
    Subject code 333
    Language English
    Publishing country de
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  7. Book ; Online: Climate matching and anthropogenic factors contribute to the colonization and extinction of local populations during avian invasions

    Cardador, Laura / Tella, José / Louvrier, Julie / Anadon, Jose Daniel / Abellan, Pedro / Carrete, Martina

    http://lobid.org/resources/99370697946406441#!, 28(9):1908-1921

    2022  

    Abstract: AIM: Concern about the impacts of biological invasions has generated a great deal of interest in understanding factors that determine invasion success. Most of our current knowledge comes from static approaches that use spatial patterns as a proxy of ... ...

    Abstract AIM: Concern about the impacts of biological invasions has generated a great deal of interest in understanding factors that determine invasion success. Most of our current knowledge comes from static approaches that use spatial patterns as a proxy of temporal processes. These approaches assume that species are present in areas where environmental conditions are the most favourable. However, this assumption is problematic when applied to dynamic processes such as species expansions when equilibrium has not been reached. LOCATION: Iberian Peninsula. TAXON: Birds. METHODS: In our work, we analyse the roles played by human activities, climatic matching and spatial connectivity on the two main underlying processes shaping the spread of invasive species (i.e. colonization and extinction) using a dynamic modelling approach. We use a large data set that has recorded the occurrence of two invasive bird species—the ringâ€necked (Psittacula krameri) and the monk (Myiopsitta monachus) parakeets—in the Iberian Peninsula from 1991 to 2016. RESULTS: Human activities and climate matching play a role on species range dynamics. Human influence and urbanization were the most relevant factors explaining colonization. Additionally, an effect of climate matching was found. Persistence (the inverse of extinction) was mainly affected by human influence for the monk parakeet and by the extent of urban environments for the ringâ€necked parakeet. MAIN CONCLUSIONS: Human activities play a major role not only on colonization of new locations, but also on persistence during range expansion. Additionally, natural processes—notably climate matching—also affect new colonizations. These findings add to our understanding of the mechanisms that might allow alien species to expand their geographic range at new locations and might help to improve our capacity to assess invasion risks and impacts accurately.
    Keywords environmental-matching ; birds ; human alterations ; Ecology ; Evolution ; Behavior and Systematics ; dispersal ; spread ; biological invasions ; occupancy models
    Subject code 333
    Language English
    Publishing country de
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  8. Article: Spatiotemporal interactions of a novel mesocarnivore community in an urban environment before and during SARS‐CoV‐2 lockdown

    Louvrier, Julie L. P. / Planillo, Aimara / Stillfried, Milena / Hagen, Robert / Börner, Konstantin / Kimmig, Sophia / Ortmann, Sylvia / Schumann, Anke / Brandt, Miriam / Kramer‐Schadt, Stephanie

    journal of animal ecology. 2022 Feb., v. 91, no. 2

    2022  

    Abstract: Studying species interactions and niche segregation under human pressure provides important insights into species adaptation, community functioning and ecosystem stability. Due to their high plasticity in behaviour and diet, urban mesocarnivores are ... ...

    Abstract Studying species interactions and niche segregation under human pressure provides important insights into species adaptation, community functioning and ecosystem stability. Due to their high plasticity in behaviour and diet, urban mesocarnivores are ideal species for studying community assembly in novel communities. We analysed the spatial and temporal species interactions of an urban mesocarnivore community composed of the red fox Vulpes vulpes and the marten Martes sp. as native species, the raccoon Procyon lotor as invasive species, and the cat Felis catus as a domestic species in combination with human disturbance modulated by the SARS‐CoV‐2 lockdown effect that happened while the study was conducted. We analysed camera trap data and applied a joint species distribution model to understand not only the environmental variables influencing the detection of mesocarnivores and their use intensity of environmental features but also the species’ co‐occurrences while accounting for environmental variables. We then assessed whether they displayed temporal niche partitioning based on activity analyses, and finally analysed at a smaller temporal scale the time of delay after the detection of another focal species. We found that species were more often detected and displayed a higher use intensity in gardens during the SARS‐CoV‐2 lockdown period, while showing a shorter temporal delay during the same period, meaning a high human‐induced spatiotemporal overlap. All three wild species spatially co‐occurred within the urban area, with a positive response of raccoons to cats in detection and use intensity, whereas foxes showed a negative trend towards cats. When assessing the temporal partitioning, we found that all wild species showed overlapping nocturnal activities. All species displayed temporal segregation based on temporal delay. According to the temporal delay analyses, cats were the species avoided the most by all wild species. To conclude, we found that although the wild species were positively associated in space, the avoidance occurred at a smaller temporal scale, and human pressure in addition led to high spatiotemporal overlap. Our study sheds light to the complex patterns underlying the interactions in a mesocarnivore community both spatially and temporally, and the exacerbated effect of human pressure on community dynamics.
    Keywords Martes ; Procyon lotor ; Severe acute respiratory syndrome coronavirus 2 ; Vulpes vulpes ; animal ecology ; anthropogenic activities ; cameras ; carnivores ; cats ; diet ; ecological balance ; ecological differentiation ; geographical distribution ; humans ; indigenous species ; invasive species ; models ; plasticity ; temporal variation ; urban areas
    Language English
    Dates of publication 2022-02
    Size p. 367-380.
    Publishing place John Wiley & Sons, Ltd
    Document type Article
    Note JOURNAL ARTICLE
    ZDB-ID 3024-7
    ISSN 1365-2656 ; 0021-8790
    ISSN (online) 1365-2656
    ISSN 0021-8790
    DOI 10.1111/1365-2656.13635
    Database NAL-Catalogue (AGRICOLA)

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  9. Book ; Online: A mechanistic-statistical species distribution model to explain and forecast wolf (Canis lupus) colonization in South-Eastern France

    Louvrier, Julie / Papaïx, Julien / Duchamp, Christophe / Gimenez, Olivier

    2019  

    Abstract: Species distribution models (SDMs) are important statistical tools for ecologists to understand and predict species range. However, standard SDMs do not explicitly incorporate dynamic processes like dispersal. This limitation may lead to bias in ... ...

    Abstract Species distribution models (SDMs) are important statistical tools for ecologists to understand and predict species range. However, standard SDMs do not explicitly incorporate dynamic processes like dispersal. This limitation may lead to bias in inference about species distribution. Here, we adopt the theory of ecological diffusion that has recently been introduced in statistical ecology to incorporate spatio-temporal processes in ecological models. As a case study, we considered the wolf (Canis lupus) that has been recolonizing Eastern France naturally through dispersal from the Apennines since the early 90's. Using partial differential equations for modelling species diffusion and growth in a fragmented landscape, we develop a mechanistic-statistical spatio-temporal model accounting for ecological diffusion, logistic growth and imperfect species detection. We conduct a simulation study and show the ability of our model to i) estimate ecological parameters in various situations with contrasted species detection probability and number of surveyed sites and ii) forecast the distribution into the future. We found that the growth rate of the wolf population in France was explained by the proportion of forest cover, that diffusion was influenced by human density and that species detectability increased with increasing survey effort. Using the parameters estimated from the 2007-2015 period, we then forecasted wolf distribution in 2016 and found good agreement with the actual detections made that year. Our approach may be useful for managing species that interact with human activities to anticipate potential conflicts.
    Keywords Quantitative Biology - Populations and Evolution ; Quantitative Biology - Quantitative Methods ; Statistics - Applications
    Subject code 590
    Publishing date 2019-12-20
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  10. Article ; Online: Spatiotemporal interactions of a novel mesocarnivore community in an urban environment before and during SARS-CoV-2 lockdown.

    Louvrier, Julie L P / Planillo, Aimara / Stillfried, Milena / Hagen, Robert / Börner, Konstantin / Kimmig, Sophia / Ortmann, Sylvia / Schumann, Anke / Brandt, Miriam / Kramer-Schadt, Stephanie

    The Journal of animal ecology

    2021  Volume 91, Issue 2, Page(s) 367–380

    Abstract: Studying species interactions and niche segregation under human pressure provides important insights into species adaptation, community functioning and ecosystem stability. Due to their high plasticity in behaviour and diet, urban mesocarnivores are ... ...

    Abstract Studying species interactions and niche segregation under human pressure provides important insights into species adaptation, community functioning and ecosystem stability. Due to their high plasticity in behaviour and diet, urban mesocarnivores are ideal species for studying community assembly in novel communities. We analysed the spatial and temporal species interactions of an urban mesocarnivore community composed of the red fox Vulpes vulpes and the marten Martes sp. as native species, the raccoon Procyon lotor as invasive species, and the cat Felis catus as a domestic species in combination with human disturbance modulated by the SARS-CoV-2 lockdown effect that happened while the study was conducted. We analysed camera trap data and applied a joint species distribution model to understand not only the environmental variables influencing the detection of mesocarnivores and their use intensity of environmental features but also the species' co-occurrences while accounting for environmental variables. We then assessed whether they displayed temporal niche partitioning based on activity analyses, and finally analysed at a smaller temporal scale the time of delay after the detection of another focal species. We found that species were more often detected and displayed a higher use intensity in gardens during the SARS-CoV-2 lockdown period, while showing a shorter temporal delay during the same period, meaning a high human-induced spatiotemporal overlap. All three wild species spatially co-occurred within the urban area, with a positive response of raccoons to cats in detection and use intensity, whereas foxes showed a negative trend towards cats. When assessing the temporal partitioning, we found that all wild species showed overlapping nocturnal activities. All species displayed temporal segregation based on temporal delay. According to the temporal delay analyses, cats were the species avoided the most by all wild species. To conclude, we found that although the wild species were positively associated in space, the avoidance occurred at a smaller temporal scale, and human pressure in addition led to high spatiotemporal overlap. Our study sheds light to the complex patterns underlying the interactions in a mesocarnivore community both spatially and temporally, and the exacerbated effect of human pressure on community dynamics.
    MeSH term(s) Animals ; Behavior, Animal ; COVID-19 ; Cats ; Cities ; Communicable Disease Control ; Ecosystem ; Foxes ; Humans ; Mustelidae ; Raccoons ; Spatio-Temporal Analysis
    Language English
    Publishing date 2021-11-23
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 3024-7
    ISSN 1365-2656 ; 0021-8790
    ISSN (online) 1365-2656
    ISSN 0021-8790
    DOI 10.1111/1365-2656.13635
    Database MEDical Literature Analysis and Retrieval System OnLINE

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