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Reef of Ficopomatus enigmaticus (Polychaeta; Serpulidae) in the Mar Chiquita Coastal Lagoon, Argentina

Universitat de les Illes Balears
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  • Ecology
  • Geography


Reef of Ficopomatus enigmaticus (polychaeta; Serpulidae) in the Mar Chiquita CoastaI Lagoon, Argentina Evangelina SCHWINDT & Osear Osvaldo IRIBARNE SHNB SOCIETAT O'HISTORIA NATURAL DE LES BALEARS Schwindt, E. & Iribarne, 0.0. 1998. Reef of Ficopomatus enigmaticus (Polychaeta; Serpulidae) in the Mar Chiquita Coastal Lagoon, Argentina. Bol/. Soco Hist. Nat. Balears, 41: 35-40. ISSN 0212-260X. Palma de Mallorca. Ficopomatus enigmaticus (Polychaeta, Serpulidae) is a reef-building polychaete that since the sixties has colonized the SW Atlantic Mar Chiquita coastal lagoon (Argentina, 37° 32' to 37° 45' S and 57° 19' to 57° 26' W; a UNESCO MAS site). The reefs have an approximately circular shape reaching up to 4 m in diameter and 0.5 m in height. Living individuals are at the edges where larval settlement occurs. Settlement has al so been observed on shells, bottles, rocks, pillars and bones. The habitat created by their tubes provide shelter for numerous organisms that have largely increased the amount of organisms that inhabit in structured habitats. AII evidence accumulated to the present suggests that the introduction of this reef building species has provoked a significant environmental change, affecting the sediment dynamics and the ecological structure of the lagoon. Keywords: Ficopomatus enigmaticus, reef, polychaete, coastal lagoon. ESCULLS DE F1COPOMATUS EN1GMATlCUS (POLYCHAETA; SERPULIDAE) EN LA LLACUNA COSTERA DE MAR CHIQUITA, ARGENTINA. Ficopoma/us enigmaticus (Polychaeta, Serpulidae), és un poliquet formador d'esculls que des deis anys 60 ha colonitzat la lIacuna costera Mar Chiquita del sud-oest atlimtic (Argentina, 37° 32' a 37° 45' S Y 57° 19' a 57° 26' O; un 1I0c MAS de I'UNESCO). Els esculls tenen una forma aproximadament circular, podent arribar fins els 4 m de diametre i 0,5 m d'al¡¡;aria. Els individus vius es troben en les vores, on també esdevé I'assentament larval. L'assentament també ha estat observat sobre les valves, ampolles, roq

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