Feeding ecology of benthic filter-feeders at Potter Cove, an Antarctic coastal ecosystem

A rich benthic filter-feeding community is present at Potter Cove, South Shetland, in spite of some usually unfavorable conditions affecting their feeding ecology, such as low phytoplankton production in summer and high sedimentation rates. However, organic material that could fuel the benthic syste...

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Autor principal: Tatián, M.
Otros Autores: Sahade, R., Mercuri, G., Fuentes, V.L, Antacli, J.C, Stellfeldt, A., Esnal, G.B
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 2008
Acceso en línea:Registro en Scopus
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100 1 |a Tatián, M. 
245 1 0 |a Feeding ecology of benthic filter-feeders at Potter Cove, an Antarctic coastal ecosystem 
260 |c 2008 
270 1 0 |m Tatián, M.; Ecología Marina, Facultad de Ciencias Exactas, Físicas Y Naturales, Universidad Nacional de Córdoba, Av Vélez Sársfield 299, 5000 Córdoba, Argentina; email: mtatian@com.uncor.edu 
506 |2 openaire  |e Política editorial 
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504 |a Sahade, R., Tatián, M., Esnal, G.B., Reproductive ecology of the Antarctic ascidian Cnemidocarpa verrucosa at Potter Cove, South Shetland Island, Antarctica (2004) Mar Ecol Prog Ser, 272, pp. 131-140 
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504 |a Tatián, M., Sahade, R., Kivatinitz, S.C., Esnal, G.B., Food availability and gut contents in the ascidian Cnemidocarpa verrucosa at Potter Cove, Antarctica (2002) Polar Biol, 25, pp. 58-64 
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520 3 |a A rich benthic filter-feeding community is present at Potter Cove, South Shetland, in spite of some usually unfavorable conditions affecting their feeding ecology, such as low phytoplankton production in summer and high sedimentation rates. However, organic material that could fuel the benthic system, such as macroalgal fragments, was detected in the water-bottom interface year-round. Mean assimilation efficiency of several sizes of macroalgal particles under different inorganic particulate percentages varied between 26-51% in a clam, and 26-72% in two ascidian species. Estimated particle flux (feces) produced by ascidians varied according to species and abundance. The C:N ratio of feces was relatively high. Plasticity and profit from the available food sources contribute to the success of the filter-feeding community in Potter Cove. © 2007 Springer-Verlag.  |l eng 
593 |a Ecología Marina, Facultad de Ciencias Exactas, Físicas Y Naturales, Universidad Nacional de Córdoba, Av Vélez Sársfield 299, 5000 Córdoba, Argentina 
593 |a Consejo Nacional de Investigaciones Científicas Y Técnicas (CONICET), Buenos Aires, Argentina 
593 |a Instituto Antártico Argentino (IAA), Cerrito 1248, Buenos Aires 1010, Argentina 
593 |a Alfred Wegener Institute, Columbusstrasse, Bremerhaven, Germany 
593 |a Departamento de Biodiversidad Y Biología Experimental, Facultad de Ciencias Exactas Y Naturales, Universidad de Buenos Aires, Buenos Aires 1428, Argentina 
690 1 0 |a ANTARCTICA 
690 1 0 |a ASSIMILATION 
690 1 0 |a CNEMIDOCARPA VERRUCOSA 
690 1 0 |a COUPLING 
690 1 0 |a FILTER-FEEDER 
690 1 0 |a LATERNULA ELLIPTICA 
690 1 0 |a PARTICLE FLUX 
690 1 0 |a PYURA SETOSA 
690 1 0 |a BENTHOS 
690 1 0 |a COASTAL ZONE 
690 1 0 |a COMMUNITY DYNAMICS 
690 1 0 |a ESTIMATION METHOD 
690 1 0 |a FEEDING ECOLOGY 
690 1 0 |a FILTER FEEDER 
690 1 0 |a FOOD AVAILABILITY 
690 1 0 |a PHYTOPLANKTON 
690 1 0 |a PRIMARY PRODUCTION 
690 1 0 |a SEDIMENTATION 
690 1 0 |a ANTARCTICA 
690 1 0 |a KING GEORGE ISLAND 
690 1 0 |a POTTER COVE 
690 1 0 |a SOUTH SHETLAND ISLANDS 
690 1 0 |a ASCIDIA 
690 1 0 |a ASCIDIACEA 
690 1 0 |a BIVALVIA 
690 1 0 |a CNEMIDOCARPA VERRUCOSA 
690 1 0 |a LATERNULA ELLIPTICA 
690 1 0 |a PYURA SETOSA 
700 1 |a Sahade, R. 
700 1 |a Mercuri, G. 
700 1 |a Fuentes, V.L. 
700 1 |a Antacli, J.C. 
700 1 |a Stellfeldt, A. 
700 1 |a Esnal, G.B. 
773 0 |d 2008  |g v. 31  |h pp. 509-517  |k n. 4  |p Polar Biol.  |x 07224060  |t Polar Biology 
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