Estudio de la interrelaciones tróficas de dos elasmobranquios del Mar Argentino, en relación con las variaciones espacio-temporales y ambientales. Squalus acanthias (Squalidae) y Raja flavirostris (=Dipturus chilensis) (Rajidae).

• Main Author: Garcia de la Rosa, S.B.
• Other Authors: Prenski, L.B.
• Format: Thesis
• Language: Spanish
• Published: 1998
• Subjects: Geographical distribution; Feeding behaviour; Predation; Food preferences; Abundance; Size distribution; Diets; Interspecific relationships; Shark fisheries; Argentina; Argentine; Argentino; Hake; Patagonia; spiny dogfish; Squalus acanthias
• Online Access: http://hdl.handle.net/1834/1487

As a general rule, sharks and rays play an important role in the energy exchanges among higher trophic levels of the marine food chain and some of them, with an important impact as piscivorous predators. Squalus acanthias (Squalidae) and Raja flavirostris (=Dipturus chilensis )(Rajidae), are two ela...