Corrigendum to ‘‘Large-scale spatio-temporal monitoring highlights hotspots of demersal fish diversity in the Mediterranean Sea” [Prog. Oceanogr. 130 (2015) 65–74]

Granger, Victoria; Fromentin, Jean‐Marc; Bez, Nicolas; Rélini, Giulio; Meynard, Christine N.; Gaertner, Jean‐Claude; Maiorano, Porzia; Ruiz, Cristina García; Follesa, Maria Cristina; Gristina, Michele; Peristeraki, Panagiota; Brind’Amour, Anik; Carbonara, Pierluigi; Charilaou, Charis; Esteban, Antonio; Jadaud, Angélique; Joksimović, Aleksandar; Kallianiotis, Argyris; Kolitari, Jerina; Manfredi, Chiara; Massutı́, Enric; Mifsud, R.; Quetglas, Antoni; Refes, Wahid; Sbrana, Mario; Vrgoč, Nedo; Spedicato, Maria Teresa; Mérigot, Bastien

doi:10.1016/j.pocean.2015.08.002

Cited by 3 publications

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“…N 90 and species richness (S) showed increasing trends in most cases (87.5% and 84.6%, respectively), while Pielou evenness (J') was the indicator that showed the highest proportion of decreasing trends (60%). This stability was also shown in the only study analysing long temporal series from bottom trawl survey data (1994)(1995)(1996)(1997)(1998)(1999)(2000)(2001)(2002)(2003)(2004)(2005)(2006)(2007)(2008)(2009)(2010)(2011)(2012) for the whole Mediterranean (Granger et al 2015). These authors took into account three scales of analysis corresponding to 18 GSAs, 7 biogeographical zones and 2 basins at a depth ranging from 10 to 800 m. The assemblages by depth were not considered, which could explain why they did not detect any recovery.…”

Section: Discussionsupporting

confidence: 66%

“…data concerning only one guild of fishes or limited to specific depths, gear or habitat), some of regional inventories are useless for comparative studies (Psomadakis et al 2012). Recent studies based mainly on standardized time series data also question the previously considered west-east decreasing diversity trend in the Mediterranean (Gaertner et al 2013, Granger et al 2015, Peristeraki et al 2017.…”

Section: Stratummentioning

confidence: 99%

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Spatio-temporal trends in diversity of demersal fish assemblages in the Mediterranean

Farriols

Ordines

Carbonara³

et al. 2020

Sci. Mar.

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The high species richness, coupled with high proportion of endemism, makes the Mediterranean one of the world’s ‘biodiversity hotspots’. However, the continuous increase in fisheries in the last few decades has led to the overexploitation of their main commercial stocks. Using fishery-independent data collected under the framework of the MEDITS trawl surveys carried out over the last 20 years, we study the demersal fish diversity pattern in the Mediterranean at a large spatial and temporal scale to determine whether it is being affected by the general fishing overexploitation of the demersal resources. The detected diversity trends are compared with the spatio-temporal variation in bottom trawl fishing effort in the Mediterranean. Our results show a stability and even recovery of demersal fish diversity in the Mediterranean together with higher diversity values on the continental shelves of the Balearic Islands, Sardinia, Sicily and the Aegean Sea. At large temporal and spatial scales, the high diversity of demersal assemblages in the Mediterranean is associated with a reduction in bottom trawl fishing effort. The inclusion of species other than target ones through diversity indices is important in the implementation of an ecosystem-based fisheries management.

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Section: Discussionsupporting

confidence: 66%

Section: Stratummentioning

confidence: 99%

Spatio-temporal trends in diversity of demersal fish assemblages in the Mediterranean

Farriols

Ordines

Carbonara³

et al. 2020

Sci. Mar.

Self Cite

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Spatio-temporal patterns of macrourid fish species in the northern Mediterranean Sea

et al. 2020

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The present study describes for the first time the spatial distribution of five macrourid species throughout the Mediterranean Sea and analyses depth, geographical and time-related trends regarding their abundance, biomass and mean fish weight. The data were collected as part of the MEDITS annual bottom trawl survey carried out by several European Mediterranean countries from 1994 to 2015, using the same standardized gear and sampling protocol. The most represented species in terms of abundance and biomass was Coelorinchus caelorhincus. The bathymetric trend was different for each species. The shallowest occurring species was C. caelorhincus, followed by Hymenocephalus italicus and Nezumia sclerorhynchus, while Nezumia aequalis and Trachyrincus scabrus were the deepest. Overall, the mean weight of all the species increased with depth. C. caelorhincus and H. italicus occurred in the entire study area: the first species showed relatively high catches in most areas, while the second was more abundant in the central and easternmost areas. N. aequalis and T. scabrus were mainly reported in the western basin, and N. sclerorhynchus in the central-eastern areas of the Mediterranean. An increasing inter-annual trend in abundance was only detected for C. caelorhincus and N. sclerorhynchus, while variable fluctuations were observed in the other species.

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Stability of the relationships among demersal fish assemblages and environmental-trawling drivers at large spatio-temporal scales in the northern Mediterranean Sea

et al. 2020

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Trawling pressure and environmental changes may affect the composition of fish assemblages. Our knowledge on large spatio-temporal patterns of demersal fish composition remains incomplete for the Mediterranean Sea. We investigated (1) the spatio-temporal stability of demersal assemblages, (2) the relationships between these assemblages and potential structuring factors (trawling pressure and environmental conditions) in order to assess the dynamic of the assemblage structure at the scale of the northern Mediterranean Sea. We analysed a dataset of 18062 hauls from 10 to 800 m depth performed annually during the last two decades across 17 Geographical Sub-Areas (GSAs) (MEDITS program). A multi-table analysis (STATICO-CoA) evidenced a strong inter-GSAs stability in the organization of assemblages, with specificities for some GSAs. The most stable structuring factors were linked to combined gradients of chlorophyll a, phytoplancton carbon biomass and temperature, inversely correlated with depth, salinity and nutrient gradients (axis 1 of the STATICO-CoA compromise, 93.74% of the total variability). A common pattern linking the distribution of species to these environmental gradients was evidenced for most of the 17 GSAs. Estimate of trawling pressure showed a minor role in the organization of the assemblages for the spatial scale and years investigated (axis 2, 4.67%).

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Corrigendum to ‘‘Large-scale spatio-temporal monitoring highlights hotspots of demersal fish diversity in the Mediterranean Sea” [Prog. Oceanogr. 130 (2015) 65–74]

Cited by 3 publications

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Spatio-temporal trends in diversity of demersal fish assemblages in the Mediterranean

Spatio-temporal trends in diversity of demersal fish assemblages in the Mediterranean

Spatio-temporal patterns of macrourid fish species in the northern Mediterranean Sea

Stability of the relationships among demersal fish assemblages and environmental-trawling drivers at large spatio-temporal scales in the northern Mediterranean Sea

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