Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/85619
Type: Artigo de periódico
Title: Population Structure Of A Native And An Alien Species Of Snail In An Urban Area Of The Atlantic Rainforest
Author: Miranda M.S.
Fontenelle J.H.
Pecora I.L.
Abstract: Native Megalobulimus paranaguensis was identified on Brazil’s Ilha Porchat promontory, an area that Achatina fulica commonly populates. The population structures of these species were investigated for interactions. Spatial distribution, niche overlap and mark–recapture analysis were conducted. The outer lip of M. paranaguensis and environmental variables were measured. One and two abundance peaks were observed for A. fulica and M. paranaguensis, respectively. Survivorship was higher in A. fulica. Distribution was aggregate for M. paranaguensis, whereas for A. fulica it varied from random to aggregate. Both species aggregate as abundance increases. The lifespan of M. paranaguensis in this location is shorter than its lifespan in a nearby location. Achatina fulica was affected by soil temperature and humidity; M. paranaguensis was influenced by humidity. Niche overlap was random. The results show that M. paranaguensis can keep its natural activity and abundance in the presence of A. fulica, but environmental degradation impacts M. paranaguensis and should be evaluated.
Editor: Taylor and Francis Ltd.
Rights: fechado
Identifier DOI: 10.1080/00222933.2014.930756
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-84912015086&partnerID=40&md5=c4baaff116866d9d93ad3ea522bba4db
Date Issue: 2015
Appears in Collections:Unicamp - Artigos e Outros Documentos

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