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Environmental factors influencing the gobiid assemblage of a Mediterranean Lagoon: Empirical evidence from a long-term study
Pampoulie, C.; Chauvelon, P.; Rosecchi, E.; Bouchereau, J.L.; Crivelli, A.J. (2001). Environmental factors influencing the gobiid assemblage of a Mediterranean Lagoon: Empirical evidence from a long-term study. Hydrobiologia 445(1-3): 175-181. dx.doi.org/10.1023/A:1017565715463
In: Hydrobiologia. Springer: The Hague. ISSN 0018-8158; e-ISSN 1573-5117, meer
Peer reviewed article  

Beschikbaar in  Auteurs 

Trefwoorden
    Gobiidae Cuvier, 1816 [WoRMS]
    Brak water
Author keywords
    salinity; stress; Gobiidae; population composition

Auteurs  Top 
  • Pampoulie, C.
  • Chauvelon, P.
  • Rosecchi, E.
  • Bouchereau, J.L.
  • Crivelli, A.J.

Abstract
    A severe freshwater inflow during our long-term ichthyological study of the brackish Vaccares lagoon (1993-1998) helped us to assess the impact of sudden environmental changes on the specific biomass composition of the gobiid population and the catches per unit effort of the black goby Gobius niger, the common goby Pomatoschistus microps and the sand goby P. minutus. In 1993, the composition of the Gobiid fish assemblage of the Vaccares lagoon was dominated by the black goby (63%) and finally evolved to an assemblage dominated by the common goby (80%). The black goby disappeared from the Vaccares lagoon 2 years after the inflow, whereas catches of the common goby increased significantly after the environmental changes and reached maximum values in 1998. Catches of sand goby did not seem to be affected by environmental changes and depended on the communication between sea and lagoon. This study showed that evolution of an ecosystem after environmental changes is linked to the reaction that species developed to face perturbations.

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