Abstract
The gastropod Neritina virginea (Linnaeus, 1758) wich has wide distribution, is used as a bioindicator, as an economic resource for the handicraft, and has ecological importance, has been little studied. This project proposes to study the population dynamics of N. virginea in the intertidal zone of the Araçá Bay, São Sebastião, SP. The samplings will last 12 months and the objectives are:…