XXVI
Contributors
Rocio Suescum
Laboratorio de Contaminaci6n, Instituto Nacional de Pesca, Guayaquil,
Ecuador
Juan Tarazona
DePSEA Group, Antonio Raimondi Institute, San Marcos University,
Box 1898, Lima 100, Peru
Jose Galizia Tundisi
International Institute of Ecology, Rua Alfredo Lopes 1717,
13560-460 Sao Carlos, SP, Brazil
e-mail: iie@parqtec.com. br
Robert R. Twilley
Department of Biology, P.O. Box 42451, University of Southwestern
Louisiana, Lafayette, LA 70504, USA
e-mail: rtwilley@usl.edu
Jean L. Valentin
Departamento de Biologia Marinha, Instituto de Biologia,
Universidade Federal do Rio de Janeiro, 21949-900 Rio de Janeiro,
Brazil
e-mail: jlv@plugue.com.br