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7883322 
Journal Article 
Massive Aggregations of Serpulidae Associated With Eutrophication of the Mar Menor, Southeast Iberian Peninsula 
Sandonnini, J; Del Pilar Ruso, Y; Cortes Melendreras, E; Gimenez Casalduero, F 
2021 
Frontiers in Marine Science
ISSN: 2296-7745 
7 
WOS:000613342900001 
For decades, inputs of nutrients and organic matter into the Mar Menor coastal lagoon have favored the change from an original oligotrophic to a eutrophic state. The lagoon reached a stage of severe eutrophication and "environmental collapse" during the spring of 2016. This paper describes the massive growth of Serpulidae (Annelida, Polychaeta) forming large aggregations and reef structures after the environmental collapse caused by the eutrophic crisis. Four species belonging to the genera Hydroides and Serpula were identified; the identified species are Hydroides elegans, Hydroides dianthus, Serpula concharum, and Serpula vermicularis. The presence of bi-operculate and tri-operculate specimens is also documented in this study. 
eutrophication; invasive species; coastal lagoon; biogenic aggregation; serpulidae