Article (Scientific journals)
Assessing Spatial and Temporal Trends in a Mediterranean Fish Assemblage Structure
Marengo, Michel; Iborra, Laura; Leduc, Michèle et al.
2021In Diversity, 13 (368), p. 1-13
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Keywords :
fisheries; fish assemblage; marine protected area;; visual census
Abstract :
[en] Coastal fishes are not only valuable elements of marine biodiversity, but they also play an important ecological role in the functioning of coastal ecosystems: food resource, transfer of nutrients, predators. Therefore, data on the compositions of fish assemblages are of great importance. The objectives of the present study were to (i) define the faunistic characteristics of a typical fish community on the Mediterranean coast; (ii) investigate spatiotemporal changes in fish assemblages. Based on a set of indices (Fast protocol) and a long-term data set (6 years, 612 visual counts, 154 h of diving), changes in coastal fish communities were analyzed. Our results indicated that there was a significant shift in fish community structure, with a general decline of the calculated indices. In our study, part of the observed variability in fish assemblage structure could be due to different factors as site location and sampled year. The changes in the fish assemblages associated with inter-annual fluctuations observed in this study also provide important insights into how fish communities may change under environmental and anthropogenic influences.
Research center :
FOCUS - Freshwater and OCeanic science Unit of reSearch - ULiège
Disciplines :
Aquatic sciences & oceanology
Environmental sciences & ecology
Zoology
Author, co-author :
Marengo, Michel ;  STARESO
Iborra, Laura  ;  Université de Liège - ULiège > FOCUS
Leduc, Michèle;  STARESO
Lejeune, Pierre;  STARESO
Boissery, Pierre;  Agence de l’Eau Rhône Méditerranée Corse—Délégation Paca Corse
Gobert, Sylvie  ;  Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Océanographie biologique
Language :
English
Title :
Assessing Spatial and Temporal Trends in a Mediterranean Fish Assemblage Structure
Publication date :
2021
Journal title :
Diversity
eISSN :
1424-2818
Publisher :
MDPI AG
Volume :
13
Issue :
368
Pages :
1-13
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
STARECAPMED project research.
Funders :
Agence de l'eau Rhône Méditerranée Corse [FR]
Collectivité de Corse [FR]
Available on ORBi :
since 10 August 2021

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