distribution and ecology of bulinus truncatus in khuzestan, iran. | the results of a 5-year study on the distribution and ecology of bulinus truncatus in khuzestan, south-western iran, are described. live snails were found in 4 foci, namely, the main focus, the upper karun river, the lower karkheh river, and the bala rud watershed; in addition, dead snails were found in 3 other foci. the patchy distribution of snails was related to the presence of surface waters and to their chemical composition.monthly observations on the population dynamics of the snails and o ... | 1968 | 5304436 |