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Cited by 7 publications
(14 citation statements)
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References 11 publications
(11 reference statements)
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“…Over a 3-year period, Barbosa (1973) observed that autochthonous B. glabrata snails being displaced by invasive B. straminea ones in a locality in the metropolitan region of Recife, Pernambuco, suggesting the possibility that competitive displacement was taking place. In 1992, the same author followed up this phenomenon between the two species by means of laboratory experiments (Barbosa et al, 1992) and in 1993, the competitive capacity of B. straminea to replace B. glabrata was induced and confirmed under experimental field conditions (Barbosa et al, 1993). This observation confirmed what was stated by Michelson and Dubois (1979) that the competitive capacity of B. straminea, in comparison with B. glabrata, highlighting its higher reproductive rate and capacity to invade territories.…”
Section: Introductionsupporting
confidence: 59%
“…Over a 3-year period, Barbosa (1973) observed that autochthonous B. glabrata snails being displaced by invasive B. straminea ones in a locality in the metropolitan region of Recife, Pernambuco, suggesting the possibility that competitive displacement was taking place. In 1992, the same author followed up this phenomenon between the two species by means of laboratory experiments (Barbosa et al, 1992) and in 1993, the competitive capacity of B. straminea to replace B. glabrata was induced and confirmed under experimental field conditions (Barbosa et al, 1993). This observation confirmed what was stated by Michelson and Dubois (1979) that the competitive capacity of B. straminea, in comparison with B. glabrata, highlighting its higher reproductive rate and capacity to invade territories.…”
Section: Introductionsupporting
confidence: 59%
“…In the case of these snails, the first step is to determine the age of the animals. This can be done indirectly using selected standards, or -following a more recent method -by carrying out laboratory tests to establish the relationship between age and maximum diameter (Barbosa et al, 1992).…”
Section: Quantitative Modelsmentioning
confidence: 99%
“…Silva (1951), on the other hand, preferred to use the radius of the snails in his measurements. The majority of authors have used the maximum diameter of the shell (Barbosa et al, 1992) It is known that, in the laboratory, the growth of individual snails occurs, linearly and continuously, in two phases, until death. The beginning of the second phase (in which growth is slower) concides with sexual maturity (Figure 1).…”
Section: Quantitative Modelsmentioning
confidence: 99%
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