Large-scale spatio-temporal monitoring highlights hotspots of demersal fish diversity in the Mediterranean Sea

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; Roberta, Mifsud; Quetglas, Antoni; Refes, Wahid; Sbrana, Mario; Vrgoč, Nedo; Spedicato, María Teresa; Mérigot, Bastien

doi:10.1016/j.pocean.2014.10.002

Cited by 29 publications

(46 citation statements)

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“…Most of them focused on the responses of different metrics of biological diversity to environmental and spatial variation, including functional diversity and also phylogenetic diversity, relative rarity, ecological specialisation, and acoustic diversity (Schirmel et al, 2012;Schuldt et al, 2013;Winter et al, 2013;Gasc et al, 2013;Leroy et al, 2014;Granger et al, 2015;Bennett et al, 2014;Dengler et al, 2014;Callisto et al, 2001). Overall, authors recommend the inclusion of other facets of biodiversity beyond traditional indices on conservation strategies, with emphasis on functional diversity.…”

Section: Discussionmentioning

confidence: 99%

An overview of the applicability of functional diversity in Biological Conservation

Freitas

Mantovani

2017

Braz. J. Biol.

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Functional diversity is increasingly pointed as a useful approach to reach Biological Conservation goals. Here, we provide an overview of the functional diversity approach status in the Biological Conservation field. We sought for peer-reviewed papers published over a period of twenty years (from 1994 to 2014). First we used the general topic "functional diversity" and then refined our search using the key-word "conservation". We have identified the conservation strategies addressed, the organism studied, and the continent of study site in each paper. Thirteen classes of conservation strategies were identified. Plants were the most commonly studied organism group and most study-sites were located in Europe. The functional diversity approach was introduced in the Biological Conservation field in the early 2000's and its inclusion in conservation strategies is broadly advised. However, the number of papers that operationalise such inclusion by developing models and systems is still low. Functional diversity responds differently and eventually better than other measures to changes in land use and management, which suggests that this approach can potentially better predict the impacts. More studies are needed to corroborate this hypothesis. We pointed out knowledge gaps regarding identification of the responses for functional diversity about urban impacts and in research on the level of management intensity of land needed to maintain functional diversity. We recommend the use of functional diversity measures to find ecological indicators. Future studies should focus on the development of functional diversity measures of other taxa beyond plants as well as test hypothesis in tropical ecosystems.Keywords: biodiversity assessments, biodiversity measures, conservation strategies, ecosystem functioning, trait-based approach. Uma visão geral sobre a aplicabilidade da diversidade funcional na Conservação Biológica ResumoA diversidade funcional é crescentemente apontada como uma abordagem útil para alcançar os objetivos da Conservação Biológica. Neste artigo, nós mostramos uma visão geral do status desta abordagem no campo da Conservação Biológica. Nós buscamos por artigos revisados por pares publicados ao longo de vinte anos (desde 1994 até 2014) usando, primeiramente, o tópico geral "functional diversity" e em seguida, refinamos a pesquisa com a palavra-chave "conservation". Identificamos a estratégia de conservação abordada, o organismo estudado e o continente da área de estudo de cada artigo. Treze classes de estratégias de conservação foram identificadas. As plantas foram o grupo de organismos mais amplamente estudado e a maior parte das áreas de estudo estavam localizadas no continente europeu. A abordagem da diversidade funcional entrou no campo da Conservação Biológica no início dos anos 2000 e sua inclusão nas estratégias de conservação é amplamente recomendada. Entretanto, o número de artigos que operacionalizam tal inclusão ainda é pequeno. A diversidade funcional responde diferentemente e, eventualmente,...

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Section: Discussionmentioning

confidence: 99%

An overview of the applicability of functional diversity in Biological Conservation

Freitas

Mantovani

2017

Braz. J. Biol.

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“…Information was recorded by an underwater Scanmar system, to control the trawl geometry (horizontal and vertical openings, contact with the bottom), as well as to record swept area and trawling time, which enabled us to select the tows that were properly carried out. Among a total of 394 fish species sampled during MEDITS surveys (Relini 2015), we considered 154 species efficiently sampled by the bottom trawl system used, and properly identified by teams involved in this large scale program (Gaertner et al 2010, Granger et al 2015. Indeed, i) only demersal fishes (i.e.…”

Section: Survey Methods and Faunal Data Collectionmentioning

confidence: 99%

“…On the other hand, some previous studies investigated large spatio-temporal trends in the Mediterranean Sea on the basis of fish abundance data collected by standardized scientific surveys. However, these studies were mainly focused on diversity components, such as species number (Gaertner et al 2007) evenness, taxonomic, phylogenetic and/or functional diversity (Gaertner et al 2010, Granger et al 2015, Brind'Amour et al 2016), but they did not deal with the structure and composition of demersal fish assemblages per se. Indeed they mainly focused on diversity indices which thus summarize in several single and synthetic values some features of assemblages, while some multi-variate analyses allows to assess the identity and contribution of species to patterns.…”

Section: Introductionmentioning

confidence: 99%

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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“…DG MARE Specific Contract SI2.600741, Final Report. 557 pp Granger V., Fromentin J.M., Bez N., et al 2015…”

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confidence: 99%

The MEDITS trawl survey specifications in an ecosystem approach to fishery management

et al. 2020

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The MEDITS programme started in 1994 in the Mediterranean with the cooperation among research institutes from four countries: France, Greece, Italy and Spain. Over the years, until the advent of the European framework for the collection and management of fisheries data (the Data Collection Framework, DCF), new partners from Slovenia, Croatia, Albania, Montenegro, Malta and Cyprus joined MEDITS. The FAO regional projects facilitated the cooperation with non-European countries. MEDITS applies a common sampling protocol and methodology for sample collection, data storage and data quality checks (RoME routines). For many years, MEDITS represented the most important data source supporting the evaluation of demersal resources by means of population and community indicators, assessment and simulation models based on fishery-independent data. With the consolidation of the DCF, MEDITS routinely provides abundance indices of target species for tuning stock assessment models of intermediate complexity. Over the years, the survey scope has broadened from the population of demersal species to their fish community and ecosystems, and it has faced new challenges, such as the identification of essential fish habitats, providing new scientific insights linked to the Marine Strategy Framework Directive (e.g. biodiversity, trophic webs, allochthonous species and marine macro-litter evaluations) and to the ecosystem approach to fishery and marine spatial planning.

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Large-scale spatio-temporal monitoring highlights hotspots of demersal fish diversity in the Mediterranean Sea

Abstract: Please note that this is an author-produced PDF of an article accepted for publication following peer review. The definitive publisher-authenticated version is available on the publisher Web site.

Cited by 29 publications

References 57 publications

An overview of the applicability of functional diversity in Biological Conservation

An overview of the applicability of functional diversity in Biological Conservation

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

The MEDITS trawl survey specifications in an ecosystem approach to fishery management

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