| possible competitive displacement of planorbids by melanoides tuberculata in minas gerais, brazil. | 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 ... | 2001 | 11586446 |
| [malacological survey of the soledade lake hydrographic basin, in ouro branco (minas gerais, brazil)]. | a malacological survey was carried out at the soledade lake, in ouro branco, state of minas gerais, for the period 1986-1991. a total amount of 46,579 mollusks was collected, and among them seven species corresponding to five families could be found, as follows: 39,176 specimens of biomphalaria tenagophila; 1,296 b. glabrata; 7 drepanotrema cimex; 2,527 physa sp; 417 lymnaea sp; 92 pomacea hastrum, and 3,064 specimens of melanoides tuberculata (melanniidae = thiaridae) were collected from march/ ... | 1994 | 7569611 |