New field observations on the competitive displacement between two species of planorbid snails inhabiting Northeastern Brasil
Open Access
- 1 December 1981
- journal article
- Published by FapUNIFESP (SciELO) in Memórias do Instituto Oswaldo Cruz
- Vol. 76 (4) , 361-366
- https://doi.org/10.1590/s0074-02761981000400004
Abstract
Observations reported in the present paper have shown that Biomphalaria glabrata is being gradually displaced by B. straminea in coastal areas of two counties on the state of Pernambuco, Brazil, confirming former observations made in the same region.Keywords
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