This paper objective is to represent the variation of collective knowledge generated in a given group. As knowledge is intangible, there is some difficulty in representing it and the process presented in this research makes possible its explanation. The case studied was a collective of women fishers from the region of Guaraqueçaba, Paraná - Brazil. As a methodological procedure we used a bibliographical research and The conclusion is that there is a growth of knowledge with the interactions and a decrease because one of the actors stopped participating in the network.