Variation in consumer pressure along 2500 km in a major upwelling system: crab predators are more important at higher latitudes

Catalina A. Musrri, Alistair G.B. Poore, Iván A. Hinojosa, Erasmo C. Macaya, Aldo Santiago Pacheco Velasquez, Alejandro Pérez-Matus, Oscar Pino-Olivares, Nicolás Riquelme-Pérez, Wolfgang B. Stotz, Nelson Valdivia, Vieia Villalobos, Martin Thiel