Demographic drivers of Norway rat populations from urban slums in Brazil.
Demography
Rattus norvegicus
Salvador
Slums
Tropics
Urban ecology
Zoonotic disease
Journal
Urban ecosystems
ISSN: 1083-8155
Titre abrégé: Urban Ecosyst
Pays: England
ID NLM: 101632487
Informations de publication
Date de publication:
2021
2021
Historique:
accepted:
19
11
2020
entrez:
1
11
2021
pubmed:
2
11
2021
medline:
2
11
2021
Statut:
ppublish
Résumé
The Norway rat is a globally distributed pest, known for its resilience to eradication and control programs. Efficient population control, especially in urban settings, is dependent on knowledge of rat demography and population ecology. We analyzed the relationship between four demographic outcomes, estimated by live-trapping data, and fine-scale environmental features measured at the capture site. Wounds, a proxy for agonistic interactions, were associated with mature individuals. Areas with environmental features favorable to rats, such as open sewers and unpaved earth, were associated with more mature individuals with a better body condition index. The control measures (environmental stressors) are likely to be disrupting the social structure of rat colonies, increasing the frequency and distribution of agonistic interactions, which were common in both sexes and maturity states. The relationship between the favorable environmental conditions and the demographic markers analyzed indicate possible targets for infestation control through environmental manipulation, and could be incorporated into current pest management programs to achieve long-term success. Our study indicate that urban interventions focused on removal of potential resources for rats could be potential long-term solutions by reducing the carrying capacity of the environment. The online version contains supplementary material available at 10.1007/s11252-020-01075-2.
Identifiants
pubmed: 34720572
doi: 10.1007/s11252-020-01075-2
pii: 1075
pmc: PMC8550123
doi:
Types de publication
Journal Article
Langues
eng
Pagination
801-809Subventions
Organisme : Medical Research Council
ID : MR/P024084/1
Pays : United Kingdom
Informations de copyright
© The Author(s) 2020.
Déclaration de conflit d'intérêts
Conflict of interestThe authors state no conflicts of interest.
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