Seasonal trophic models of Ubatuba continetal shelf system, Brazil - Rocha, Gecely Rodrigues Alves; Rossi-Wongtschowski, Carmen Lúcia del Bianco; Pires-Vanin, Ana Maria Setubal; Soares, Lucy Satiko Hashimoto; Jarre, A (Congreso Latinoamericano de Ciencias del Mar = COLACMAR, 2003)