Summary
Minimum daily consumption of bivalves Gaimardia sp by kelp gulls in a Macrocystis kelp bed at Porvenir, Tierra del Fuego, was calculated to be ca. 525 000 individuals, corresponding to an energy removal of ca. 21 kJ·m-2·d-1. This is far in excess of energy removal by any other higher-trophic-level predator in southern Chilean Macrocystis beds, but previous work has ignored kelp gulls as a component of the kelp bed community.
This is a preview of subscription content, log in via an institution to check access.
Refernces
altmann J (1974) Observational study of behaviour: sampling methods. Behaviour 49:227–265
Blankley WO (1982) The intertidal and shallow subtidal food web of sub-Antarctic Marison Island. MSc Thesis, University of Cape Town
Blankley WO (1985) The intertidal and shallow subtidal food web at Marion Island. In: Siegfried WR, Condy PR, Laws RM (eds) Antarctic nutrient cycles and food webs. Springer, Berlin Heidelberg New York, pp 630–636
Castilla JC (1985) Food webs and functional aspects of the kelp Macrocystis pyrifera community in the Beagle Channel, Chile. In: Siegfried WR, condy PR, Laws RM (eds) Antarctic nutrient cycles and food webs. Springer, Berlin Heidelberg New York, pp 407–414
Castilla JC, Moreno CA (1982) Sea urchins and Macrocystis pyrifera: experimental test of their ecological relations in southern Chile. In: Lawrence RM (ed) Proc International Echinoderm Conference, Tampa Bay. AA Balkema, Rotterdam, pp 257–263
Dayton PK (1974) Kelp communites of southern South America. Antarct J US 9:22–23
Dayton PK, Rosenthal RJ, Mahan LC (1973) Kelp communities in the Chilean Archipelago: R/V Hero Cruise 72-5. Antarct J US 8:34–35
Dayton PK, Rosenthal RJ, Mahan LC, Antezana T (1977) Population structure and foraging biology of the predacious Chilean asteroid Meyenaster gelatinosus and the escape biology of its prey. Mar Biol 39:361–370
Edwards DC, Conover DO, Sutter F (1982) Mobile predators and the structure of marine intertidal communities. Ecology 63:1175–1180
Hockey PAR, Bosman AL (1988) Stabilizing processes in bird-prey interactions on rocky shores. In: Vannini M, Chelazzi G (eds) Behavioural adaptations to intertidal life. Plenum Press, New York (in press)
Murphy RC (1936) Oceanic birds of South America, vol II. Macmillan, New York
Walsberg GE (1983) Avian ecological energetics. In: Farner DS, King JR, Parkes KC (eds) Avian biology, vol 7. Academic Press, London
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Hockey, P.A.R. Kelp gulls Larus dominicanus as predators in kelp Macrocystis pyrifera beds. Oecologia 76, 155–157 (1988). https://doi.org/10.1007/BF00379614
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF00379614