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dc.contributor.CRUESPUNIVERSIDADE DE ESTADUAL DE CAMPINASpt_BR; marcelsmiranda@gmail.compt_BR
dc.titleAspects Of Biology Of Megalobulimus Paranaguensis (gastropoda, Acavoidea) In The Coastal Plain Of The Brazilian Southeasten
dc.contributor.authorJose H.; Mirandapt_BR
dc.contributor.authorMarcel S.pt_BR[Miranda, Marcel S.] Univ Estadual Campinas, Dept Biol Anim, Rua Monteiro Lobato 255, BR-13083970 Campinas, SP, Brazilpt_BR[Fontenelle, Jose H.] Parque Zoobot Orquidario Municipal Santos, Praca Washington S-N, BR-11065600 Santos, SP, Brazilpt_BR
dc.subjectEgg Postureen
dc.subjectLand Snailen
dc.subjectAtlantic Rainforesten
dc.description.abstractWe studied the reproductive biology of Megalobulimus paranaguensis (Pilsbry & Ihering, 1900), a large and long-lived land gastropod from the Atlantic Rainforest of Brazil. The study was conducted at an urban park in the city of Santos, state of Sao Paulo. For 4 years, we counted the egg postures and annual eclosion rate of 32 captive snails and looked for associations between egg posture and the climatical variables of the period. The annual mean posture of 8.7 eggs per snail obtained in our results is a small number, but typical of Brazilian macromollusks. The annual eclosion rate was 31%. The beginning of the annual activity period of snails occurred in the middle of March, and lasted 33.97 +/- 3.02 weeks. The dormancy period started in the beginning of November, and lasted 18.39 +/- 3.11 weeks. There were two egg posture peaks, a minor peak between March and May, and a major peak between August and November, with greater values in September. Megalobulimus paranaguensis has a well-defined seasonal reproductive pattern influenced by environmental temperature and temperature range. Furthermore, in this snail, reproduction is negatively influenced by temperature increasing and temperature range.en
dc.relation.ispartofIheringia Serie Zoologiapt_BR
dc.publisherFundacao Zoobotanica Rio Grande Sul, Museu Ciencias Naturaispt_BR
dc.publisherPorto Alegrept_BR
dc.identifier.citationIheringia Serie Zoologia. Fundacao Zoobotanica Rio Grande Sul, Museu Ciencias Naturais, v. 107, p. , 2017.pt_BR
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