The introduction of Physa acuta (Gastropoda: Physidae) on Ilha Grande, Southeast Brazil, from initial stages to an established population

Abstract This study presents a four-year follow-up of an introduced population of Physa acuta Draparnaud, 1805, from initial stages to an established population. This introduction occurred on a small impacted stream of Vila do Abraão, the main village of Ilha Grande (Angra dos Reis, Rio de Janeiro,...

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Main Authors: I. C. Miyahira, I. C. B. Gonçalves, L. E. M. Lacerda, R. F. Ximenes, S. B. Santos
Format: Article
Language:English
Published: Instituto Internacional de Ecologia 2021-06-01
Series:Brazilian Journal of Biology
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-69842023000100115&tlng=en
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author I. C. Miyahira
I. C. B. Gonçalves
L. E. M. Lacerda
R. F. Ximenes
S. B. Santos
author_facet I. C. Miyahira
I. C. B. Gonçalves
L. E. M. Lacerda
R. F. Ximenes
S. B. Santos
author_sort I. C. Miyahira
collection DOAJ
description Abstract This study presents a four-year follow-up of an introduced population of Physa acuta Draparnaud, 1805, from initial stages to an established population. This introduction occurred on a small impacted stream of Vila do Abraão, the main village of Ilha Grande (Angra dos Reis, Rio de Janeiro, Brazil). The population size increased during the study, and presented a relationship to environmental factors, especially with rainfall. On the initial stages of introduction prevailed the smaller specimens, but on the overall, predominated the intermediate size classes. After less than a year, P. acuta becomes established on this stream and was possibly affecting the other species found on the stream. The information presented here is useful to understand the invasion process of invasive snails, as well as directing conservation efforts.
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spelling doaj.art-d2d83e36c41f44a6a2b6d07022ff925e2022-12-21T17:21:44ZengInstituto Internacional de EcologiaBrazilian Journal of Biology1678-43752021-06-018310.1590/1519-6984.243801The introduction of Physa acuta (Gastropoda: Physidae) on Ilha Grande, Southeast Brazil, from initial stages to an established populationI. C. Miyahirahttps://orcid.org/0000-0001-7037-6802I. C. B. Gonçalveshttps://orcid.org/0000-0002-4225-2228L. E. M. Lacerdahttps://orcid.org/0000-0002-4561-4634R. F. Ximeneshttps://orcid.org/0000-0002-8002-6539S. B. Santoshttps://orcid.org/0000-0001-5495-2208Abstract This study presents a four-year follow-up of an introduced population of Physa acuta Draparnaud, 1805, from initial stages to an established population. This introduction occurred on a small impacted stream of Vila do Abraão, the main village of Ilha Grande (Angra dos Reis, Rio de Janeiro, Brazil). The population size increased during the study, and presented a relationship to environmental factors, especially with rainfall. On the initial stages of introduction prevailed the smaller specimens, but on the overall, predominated the intermediate size classes. After less than a year, P. acuta becomes established on this stream and was possibly affecting the other species found on the stream. The information presented here is useful to understand the invasion process of invasive snails, as well as directing conservation efforts.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-69842023000100115&tlng=enfreshwater snailinvasive speciesPhysidaeRio de JaneiroAngra dos Reis
spellingShingle I. C. Miyahira
I. C. B. Gonçalves
L. E. M. Lacerda
R. F. Ximenes
S. B. Santos
The introduction of Physa acuta (Gastropoda: Physidae) on Ilha Grande, Southeast Brazil, from initial stages to an established population
Brazilian Journal of Biology
freshwater snail
invasive species
Physidae
Rio de Janeiro
Angra dos Reis
title The introduction of Physa acuta (Gastropoda: Physidae) on Ilha Grande, Southeast Brazil, from initial stages to an established population
title_full The introduction of Physa acuta (Gastropoda: Physidae) on Ilha Grande, Southeast Brazil, from initial stages to an established population
title_fullStr The introduction of Physa acuta (Gastropoda: Physidae) on Ilha Grande, Southeast Brazil, from initial stages to an established population
title_full_unstemmed The introduction of Physa acuta (Gastropoda: Physidae) on Ilha Grande, Southeast Brazil, from initial stages to an established population
title_short The introduction of Physa acuta (Gastropoda: Physidae) on Ilha Grande, Southeast Brazil, from initial stages to an established population
title_sort introduction of physa acuta gastropoda physidae on ilha grande southeast brazil from initial stages to an established population
topic freshwater snail
invasive species
Physidae
Rio de Janeiro
Angra dos Reis
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-69842023000100115&tlng=en
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