The effects of competitors on fitness of marbled gobyPomatoschistus marmoratus(Pisces, Gobiidae) in the Mar Menor coastal lagoon (SE Iberian Peninsula)

2007 ◽  
Vol 74 (2) ◽  
pp. 169-177 ◽  
Author(s):  
D. Verdiell‐Cubedo ◽  
F. J. Oliva‐Paterna ◽  
M. Torralva
2003 ◽  
Vol 19 (4) ◽  
pp. 202-208 ◽  
Author(s):  
A. Andreu-Soler ◽  
F. J. Oliva-Paterna ◽  
C. Fernández-Delgado ◽  
M. Torralva

2021 ◽  
Vol 7 ◽  
Author(s):  
Jessica Sandonnini ◽  
Yoana Del Pilar Ruso ◽  
Emilio Cortés Melendreras ◽  
Francisca Giménez Casalduero

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.


Author(s):  
Juan Soria ◽  
Gema Caniego ◽  
Nuria Hernandez-Saez ◽  
Jose Antonio Dominguez ◽  
Manuel Erena

The Mar Menor is a Spanish coastal lagoon of great ecological and economic interest. The agricultural and tourist activities developed in the surroundings of the lagoon, together with the modifications in its channels of connection with the Mediterranean Sea, have notably affected the quality of its waters, which is altering the natural balance of the ecosystem. In this work, an analysis of the density of phytoplankton present in the lagoon between the months of May to December 2017 has been carried out. There, it has been a notable increase in the density of organisms in post-summer samplings, following the recording of higher temperatures, and the presence of Chlorophyceae, Cyanophyceae, Chrysophyceae and nanoplanktonic Cryptophyceae stands out. The data collected indicate a significant increase in the eutrophication process of the lagoon that requires the development of management plans to reduce agricultural discharges and promote the recovery of the lagoon and its native species.


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