2012
DOI: 10.1590/s1519-69842012000300005
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Modelling the population control of the domestic cat: an example from an island in Brazil

Abstract: The domestic cat is an invasive species that often causes great impacts where introduced due to its high predatory and reproductive potential, especially on islands. In this study, carried out on Ilha Grande (RJ, Brazil), we aimed to: i) estimate the population density of domestic cats, ii) calculate the number of animals preyed upon annually by domestic cats, and iii) evaluate the efficiency of methods to control the cat population. We used the Vortex program to project the population growth of domestic cats … Show more

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Cited by 22 publications
(9 citation statements)
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“…This suggests that attempts to mitigate contributing human behaviors (e.g., allowing owned cats to roam freely, abandoning unwanted cats) must be implemented concurrently with sound biological management. While a subset of earlier studies of FRC population management have included just one or two of these processes (e.g., [16] [18] [20] [22] , our study is the only one to incorporate the full range of demographic processes we believe are necessary to evaluate management options in a biologically realistic manner. Similarly, while a selection of previous studies have used simpler modeling tools to evaluate the efficacy of different contraception options on FRC population dynamics [14] , [20] , our detailed examination of contraception in the context of the biological realism just described yields a more robust comparison among population management alternatives ( Figure 4 ).…”
Section: Discussionmentioning
confidence: 99%
“…This suggests that attempts to mitigate contributing human behaviors (e.g., allowing owned cats to roam freely, abandoning unwanted cats) must be implemented concurrently with sound biological management. While a subset of earlier studies of FRC population management have included just one or two of these processes (e.g., [16] [18] [20] [22] , our study is the only one to incorporate the full range of demographic processes we believe are necessary to evaluate management options in a biologically realistic manner. Similarly, while a selection of previous studies have used simpler modeling tools to evaluate the efficacy of different contraception options on FRC population dynamics [14] , [20] , our detailed examination of contraception in the context of the biological realism just described yields a more robust comparison among population management alternatives ( Figure 4 ).…”
Section: Discussionmentioning
confidence: 99%
“…per km 2 ) (IBGE, 2015). There are studies demonstrating a positive correlation between density of the human population and number of domestics cats (Denny and Dickman, 2010;Lessa and Bergallo, 2012). In others words, if the population of humans is high, the domestic cat population is also high.…”
Section: Discussionmentioning
confidence: 99%
“…Considerada como uma espécie que possui grande capacidade em se habituar a áreas naturais, o gato doméstico pode sobreviver longos períodos sem acesso à água potável, têm alta fecundidade, são altamente habituáveis a novos ambientes e têm comportamentos predatórios generalistas, o que lhes permite alimentarem-se de diferentes tipos de presas de acordo com sua disponibilidade nestes ambientes (Fitzgerald & Turner, 2000). Estas características em conjuntos vêm sendo apontadas como uma das causas do declínio de determinadas espécies, em diferentes áreas do mundo, principalmente quando encontrados vivendo em condições asselvajadas (ferais) ou em condições errantes (Churcher & Lauton, 1987;Barratt, 1998;Fitzgerald, 1988;Fitzgerald & Turner, 2000;Woods et al, 2003;Nogales et al, 2004;Bonnaud et al, 2007;Campos et al 2007;Medina & García, 2007;Dickmam, 2009;Medina et al, 2011;Thomas et al, 2012;Lessa & Bergallo, 2012;Loss et al, 2013). Contudo, mesmo em condições domiciliares, ou seja, vivendo em estreita associação com humanos em áreas antrópicas, onde todos os seus requisitos biológicos são intencionalmente oferecidos por seus tutores/proprietários (Moodie, 1995) ou em condições semidomiciliares, recebendo alimentos, mas com livre acesso a áreas externas, os gatos podem exercer um com-.273 portamento oportunista de caça sobre diversas espécies, incluindo tanto pequenos mamíferos, quanto aves, répteis, anfíbios e invertebrados Lessa & Bergallo, 2012;Ferreira et al, 2012;Ferreira, 2016;Ferreira & Genaro, 2017).…”
Section: Principais Consequências Para O Meio Ambiente: a Pequena Preunclassified