Trophic Relationships and Feeding Diversity in a Subantarctic Trophic Web of the Beagle
Pelagic sources / POM / POM / Organic input / -
Phytoplankton / Phytoplankton / Organic input / -
Benthic sources / SPOM / SPOM / Organic input / -
Terrestrial C3 plants / Terrestrial C3 plants / Organic input / -
Macroaglae / Macroaglae / Organic input / -
Zooplankton / Zooplankton / Zooplankton / Phytoplankton, POM / -
Filter feeders / Brachydontes purpuratus / Violet Mussel / Suspension feeders / [1]
Mytilus chilensis / Blue Mussel / Suspension feeders / [1]
Aulacomya atra / Ribbed Mussel / Suspension feeders / [1]
Notochthamalus scabrosus / Barnacles / Suspension feeders / [1]
Benthic Grazers / Nacella deaurata / Front Topped Limpet / Algae / [2]
Chitons / Chitons / Microphage / [1]
Pachysiphonaria lessoni / Pulmonate Limpet / Algae, bacteria / [2]
Detritivores / Isopods / Isopods / Scavengers, omnivores, herbivores / [1]
Halicarcinus planatus / Marine Crab / SPOM, polychaetes, isopods / [3] (and references there in)
Munida gregaria / Squat Lobster / Sediment, SPOM, crustaceans, algae, C3 plants / [4]; [5]; [6]
Carnivorous invertebrates / Trophon geversianus / Ribbed Trophon / Mollusk (mainly bivalves) / [7]; [8]; [9]
Xymenopsis murciformis / Mollusk (mainly bivalves) / [7]
Nemerteans / Nemerteans / Carnivorous (annelids and crustaceans) / [1]
Anasterias antarctica / Sea stars / Scavengers and carnivorous / [1]
Fish / Eleginops maclovinus / Patagonian Blenny / Crustaceans, algae, polychaetes, mollusk, fish / [10]; [11]; [12]; [13]; [14]
Harpagifer bispinis / Plunder Fish / Polychaetes / [15]
Austrolycus depressiceps / Rock Eel / Crustaceans, fish / [10]
Patagonotothen tessellata / Rock Cod / Algae, nemerteans, annelids, mollusk, crustaceans, polychaetes, fish / [10]; [16]
Mammals / Lontra provocax / Huillín / Fish, crustaceans / [17]; [18]
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[2] Zelaya DG (2009) Gastropoda.In: Häussermann H, Förstera G (eds) Fauna marina bentónica de la Patagonia Chilena. Santiago, Nature in Focus, p. 461-504
[3] Diez MJ, Lovrich GA (2010) Reproductive biology of the crab Halicarcinus planatus (Brachyura, Hymenosomatidae) in sub-Antarctic waters. Polar Biol 33:389-401
[4] Romero MC, Lovrich GA, Tapella F, Thatje S (2004) Feeding ecology of the crab Munida subrugosa (Decapoda: Anomura: Galatheidae) in the Beagle Channel, Argentina. J Mar Biol Ass UK 84:359-365
[5] Pérez-Barros P, Romero MC, Calcagno JA, Lovrich GA (2010) Similar feeding habits of two morphs of Munida gregaria (Decapoda) evidence the lack of trophic polymorphism. Rev Biol Mar Oceanol 45:461-470
[6] Lovrich GA, Thiel M (2011) Ecology, physiology, feeding and trophic role of squat lobsters. In: Poor GCB, Ahyong ST, Taylor J (eds) The Biology of Squat Lobsters. CSIRO Publishing, Collingwood, Australia
[7] Gordillo S (1998) Trophonid gastropod predation on recent bivalves from the Magallanic Region In: Bivalves: an eon of evolution. Paleobiological Studies Honoring Norman N. Newell. University of Calgary Press. p 251-254
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[9] Andrade C, Ríos Carlos (2007) Estudio experimental de los hábitos tróficos de Trophon geversianus (Pallas 1774) (Gastropoda: Murcidae): selección y manipulación de presas. An Inst Patagon 35:45-53
[10] Lloris D, Rucabado J (1991) Ictiofauna del Canal Bealge (Tierra del Fuego), aspectos ecológicos y análisis biogeográfico. Publ Espec Inst Esp Oceanogr n°8, Madrid [in Spanish]
[11] Isla MS, San Román NA (1995) Alimentación de Eleginops maclovinus (Pisces, Nototheniidae) en el Canal Beagle, Argentina. Naturalia Patagonica 3:107-127
[12] Martin JP, Bastida R (2008) Contribución de las comunidades bentónicas en la dieta del róbalo (Eleginops maclovinus) en la ría Deseado (Santa Cruz, Argentina). Lat Am J Aquat Res 36:1-13
[13] Pavés H, Pequeño G, Bertrán C, Vargas L (2005) Limnetic feeding in Eleginops maclovinus (Valenciennes, 1830) in the Valdivia River, Chile. Interciencia 30:120-125
[14] Pequeño G, Pavés H, Bertrán C, Vargas L (2010) Seasonal limnetic feeding regime of the “róbalo” Eleginops maclovinus (Valenciennes 1930), in the Valdivia river, Chile. Gayana 74:47-56
[15] Hune M, Rivera G (2010) Contribución de poliquetos (Annelida: Polychaeta) en la dieta de tres especies de nototénidos (Perciformes: Notothenioidei) en la región de Magallanes. An Inst Patagon 38:39-46
[16] Isla MS (1994) Bioecología de Patagonotothen tessellata (Pisces, Nototheniidae) del Canal Beagle. Crecimiento y Alimentación. PhD Dissertation, Universidad Nacional de La Plata, Argentina
[17] Gomez JJ, Gozzi AC, Macdonald DW, Gallo E, Centrón D, Cassini MH (2010) Interactions of exotic and native carnivores in an ecotone, the coast of the Beagle Channel, Argentina. Polar Biol 33:1371-1378
[18] Valenzuela AEJ (2011) Ecología y distribución del visón americano (Mustela vison) en Tierra del Fuego: efectos de este predador exótico en la fauna nativa. PhD Dissertation, Universidad de Buenos Aires, Argentina