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Artículo

Effects of macroalgae on the recruitment, growth, and body condition of an invasive reef forming polychaete in a south-western Atlantic coastal lagoon

Bazterrica, Maria CieloIcon ; Bruschetti, Carlos MartinIcon ; Alvarez, María FernandaIcon ; Iribarne, Oscar OsvaldoIcon ; Botto, FlorenciaIcon
Fecha de publicación: 23/01/2014
Editorial: Elsevier Science
Revista: Journal of Sea Research
ISSN: 1385-1101
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Ecología

Resumen

Species interactions could mediate species invasive processes. In Mar Chiquita coastal lagoon (37° 40′S, 57° 23´W, Argentine), the invasive reef building polychaete Ficopomatus enigmaticus (Fauvel 1923) enhances the biomass of the red alga Polysiphonia subtilissima Montagne 1840 on reef surfaces, and excludes green macroalgae (mainly Cladophora sp. Kützing, 1843) from sediment between reefs. In turn, macroalgae could have several community structuring effects (e.g., as food or by competing for space). Therefore, macroalgae may affect F. enigmaticus. To evaluate this hypothesis we studied (1) the interaction between macroalgae and F. enigmaticus during the colonization of new substrates and (2) the effects of macroalgae on the recruitment, growth, and body condition of F. enigmaticus. Field sampling and experiments suggested a lack of competition on new substrates. However, there was a positive effect of macroalgae on F. enigmaticus during the warm season, since its recruitment, tube length, and body condition were higher in areas with macroalgae on reef surfaces. Considering that previous studies showed that reefs positively affect macroalgae, our results suggest that there is a positive feedback on F. enigmaticus created by macroalgae on established reefs and during the reefs' growing season. This interaction may contribute to the maintenance and growth of established reefs.
Palabras clave: Biological Invasions , Macroalgae Effects , Ecosystem Engineering Feedback , Coastal Lagoon
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Atribución-NoComercial-SinDerivadas 2.5 Argentina (CC BY-NC-ND 2.5 AR)
Identificadores
URI: http://hdl.handle.net/11336/16433
DOI: http://dx.doi.org/10.1016/j.seares.2014.01.002
URL: http://www.sciencedirect.com/science/article/pii/S1385110114000082
Colecciones
Articulos(ILPLA)
Articulos de INST.DE LIMNOLOGIA "DR. RAUL A. RINGUELET"
Citación
Bazterrica, Maria Cielo; Bruschetti, Carlos Martin; Alvarez, María Fernanda; Iribarne, Oscar Osvaldo; Botto, Florencia; Effects of macroalgae on the recruitment, growth, and body condition of an invasive reef forming polychaete in a south-western Atlantic coastal lagoon; Elsevier Science; Journal of Sea Research; 88; 23-1-2014; 121-129
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