Document Detail

Possible competitive displacement of planorbids by Melanoides tuberculata in Minas Gerais, Brazil.
MedLine Citation:
PMID:  11586446     Owner:  NLM     Status:  MEDLINE    
Several species of snails, including Pomacea haustrum, Marisa cornuarietis and Helisoma duryi, have been identified as probable competitors and/or predators of planorbid intermediate hosts of Schistosoma. During the last few years, studies carried out in the Caribbean region have shown reductions and even disappearances of populations of Biomphalaria glabrata and B. straminea in breeding places where the snail Melanoides tuberculata was introduced. Observations made over a period of 10 years in two lakes close to Belo Horizonte, MG, showed that there were marked reductions in autochthonous populations of B. glabrata and B. straminea after the arrival of M. tuberculata, both Biomphalaria species disappearing completely after eight years.
C T Guimarães; C P Souza; Soares Dd
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Memórias do Instituto Oswaldo Cruz     Volume:  96 Suppl     ISSN:  0074-0276     ISO Abbreviation:  Mem. Inst. Oswaldo Cruz     Publication Date:  2001  
Date Detail:
Created Date:  2001-10-04     Completed Date:  2001-12-07     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  7502619     Medline TA:  Mem Inst Oswaldo Cruz     Country:  Brazil    
Other Details:
Languages:  eng     Pagination:  173-6     Citation Subset:  IM    
Laboratório de Malacologia, Centro de Pesquisas René Rachou, Fiocruz, Belo Horizonte, MG, 30190-002, Brazil.
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MeSH Terms
Biomphalaria / physiology
Competitive Behavior / physiology*
Population Density
Predatory Behavior
Snails / physiology*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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