Por favor, use este identificador para citar o enlazar este ítem:
https://www.arca.fiocruz.br/handle/icict/41176
Tipo
ArtículoDerechos de autor
Acceso abierto
Colecciones
- IOC - Artigos de Periódicos [12502]
Metadatos
Mostrar el registro completo del ítem
APPARENT COMPETITION THROUGH FACILITATION BETWEEN MELANOIDES TUBERCULATA AND BIOMPHALARIA GLABRATA AND THE CONTROL OF SCHISTOSOMIASIS
Interações populacionais
Biomphalaria glabrata
Melanoides tuberculata
Controle de esquistossomose
Population interactions
Biomphalaria glabrata
Melanoides tuberculata
Schistosomiasis control
Afiliación
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Biologia. Rio de Janeiro, RJ, Brasil.
Universidade Federal do Rio de Janeiro. Departamento de Ecologia. Laboratório de Vertebrados. Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Biologia. Rio de Janeiro, RJ, Brasil.
Universidade Federal do Rio de Janeiro. Departamento de Ecologia. Laboratório de Vertebrados. Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Biologia. Rio de Janeiro, RJ, Brasil.
Resumen en ingles
Interactions between two species that result in reduced growth rates for both and extinction of one of the species
are generally considered cases of asymmetric interspecific competition. Exploitative or interference competition is
the usual mechanism invoked. Here we describe another mechanism producing the same result, named apparent
competition through facilitation (ACF), observed between Melanoides tuberculata and Biomphalaria glabrata populations. The superior competitor actually gives some benefit to the other species, whose population becomes unstable with progressively increasing oscillations, leading to extinction. A model of ACF using difference equations
suggests initial dynamics distinct from traditional interspecific competition. The dynamics of two freshwater snails
in the field and in laboratory experiments suggest ACF, and these relations should be considered in studies of
schistosomiasis control. ACF could occur in natural populations, but might have gone undetected because the final
result is similar to traditional interspecific competition.
Palabras clave en portugues
Competição aparenteInterações populacionais
Biomphalaria glabrata
Melanoides tuberculata
Controle de esquistossomose
Palabras clave en ingles
Apparent competitionPopulation interactions
Biomphalaria glabrata
Melanoides tuberculata
Schistosomiasis control
Compartir