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24
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Introduction
As a benthic taxonomist my main task at Ifremer (Institut Français de Recherche pour l'Exploitation de la MER) is to identify all zoological groups associated to diverse soft and hard bottoms habitats in French metropolitans waters (from intertidal to continental shelf).
In addition, as a passionnated naturalist, I am using the macrofaunal samples, as data to reports new records around Brittany or in France and also to describe new species.
Additional affiliations
Position
- Marine taxonomist
Education
September 2012 - June 2014
Publications
Publications (24)
Although the composition of invertebrate assemblages associated with kelps has motivated several studies in the recent past, little is known about assemblages associated with smaller, understorey macroalgae in these ecosystems. Here, the composition of invertebrate assemblages living within understorey macroalgae of a kelp (Laminaria digitata) fore...
English abstract: For the first time in Brittany, the aorid amphipod Grandidierella japonica Stephensen, 1938 is reported in the Noyalo River (Gulf of Morbihan). The finding of ovigerous females suggests a well-established, self-sustaining population. Similarly to other European localities, we hypothesise that the shellfish farming industry is the...
EN Abstract: The European leptostracans (Nebaliidae) have recently been subjected to a number of reviews for British and Iberian Peninsula waters. This study reassesses leptostracan species within French coastal waters in order to 1) correct potential past misidentifications and 2) to confirm the geographical distribution of species currently descr...
Arctic and sub-Arctic marine ecosystems are experiencing some of the highest sea surface warming in the world, which has intensified water column stratification and subsequently reduced phytoplankton production and particulate organic matter quality. However, the effects of these changes on benthic food webs and the transfer of organic matter to hi...
As introduced species constitute a major threat to biodiversity, it is crucial to properly monitor their spread to new regions. The present study reports new records of four species: 1) the amphipod Ampithoe valida S.I. Smith, 1873 and 2) the polychaete
Polydora colonia Moore, 1907, both new records for Brittany (North-West part of France); 3) the...
Eelgrass supports diverse benthic communities that ensure a variety of ecosystem functions. To better understand the ecological processes that shape community composition in eelgrass at local and regional scales, taxonomic and functional α-and β-diversity were quantified for communities inhabiting five meadows in France. The extent to which environ...
RESUME
En réponse à des enjeux d’intégration écologique, différentes approches d’éco-conception des ouvrages maritimes ont été développées ces dernières années ; l’objectif étant d’apporter des fonctions écologiques complémentaires aux fonctions techniques premières de ces ouvrages (digues, quais, pontons, corps-morts, émissaires...). En fonction d...
Introduced species constitute a critical bio-security issue worldwide and the precise monitoring of their spread is crucial for their management. For species forming cryptic complexes this may remain difficult. Using integrative taxonomy, we formally report for the first time, well-established populations of the cosmopolitan introduced bryozoan Wat...
Biological invasions are one of the main global threats to biodiversity in terrestrial, freshwater and marine ecosystems worldwide, requiring effective inventorying and monitoring programs. Here, we present an updated list of non-indigenous species in French marine and transitional waters. Focused on eukaryote pluricellular species found throughout...
Aim: Understand the ecological processes that shape community composition in eelgrass meadows along the coast of France at local and regional scales. Location: Northeastern Atlantic. Methods: Combining taxonomic and trait-based approaches with structural equation modeling, we explored the mechanisms governing community assembly in five meadows loca...
This paper is the conclusion of the “Spaghetti Project” aiming to revise French species of
Terebellidae sensu lato (s.l.) belonging to the fi ve families: Polycirridae, Telothelepodidae, Terebellidae sensu stricto (s.s.), Thelepodidae and Trichobranchidae. During this project, 41 species were observed, 31 of them new for science: eight species of P...
The nudibranch Berghia verrucicornis (Costa, 1867) was sampled during a citizen science survey along the Brittany coast as part of a macrofaunal species monitoring in the intertidal area. This note reports for the first time the occurrence of B. verrucicornis in Brittany. In addition, it is also the northernmost record for this species. Its distrib...
Specimens of Leucothoe were collected during specific surveys on the benthic fauna of the Arcachon Bay and Brittany. Original and subsequent descriptions, as well as comparison with specimens from type locality, confirm the identification of the Mediterranean species Leucothoe denticulata, a species morphologically close to the frequently recorded...
Aim: β diversity and its linkages with ecosystem functioning remain poorly docu‐ mented. This impedes our capacity to predict biodiversity changes and how they affect ecosystem functioning at scales relevant for conservation. Here, we address the functional implications of ongoing seafloor changes by characterizing at regional scale the taxonomic a...
Described in Italy and considered as a Mediterranean species, the aeolid nudibranch Trinchesia genovae (O'Donoghue, 1926) is reported for the first time in Brittany (north-west coast of France) in a maerl sample. This record confirms the occurrence of this species between Ireland and the Bay of Arcachon (France), where T. genovae has been previousl...
Alterations of the seafloor, particularly loss of biogenic habitats, are homogenizing benthic environments and their associated biota. Apprehending the functional consequences of these changes is critical but requires a thorough understanding of the functional β-diversity of benthic communities. Here, using data from 3 years (2007, 2010, 2013) of t...
Alterations of the seafloor, particularly loss of biogenic habitats, are homogenizing benthic environments and their associated biota. Apprehending the functional consequences of these changes is critical but requires a thorough understanding of the functional β-diversity of benthic communities. Here, using data from 3 years (2007, 2010, 2013) of t...
Relationships between species traits and abiotic gradients, including anthropogenic disturbances, are increasingly assessed to estimate the impacts of changing communities on the functioning of benthic ecosystems. The effects of biogenic habitats on the functional composition of communities have, however, seldom been assessed despite growing concer...
Haploops nirae is a gregarious tubiculous amphipod that creates dense tube mats in two ecosystems of South Brittany (i.e. the Bay of Vilaine and the Bay of Concarneau). To assess the ecological consequences of its recent expansion, the pattern of population dynamics of H. nirae was determined from January 2010 to March 2011 at a 29 m deep station i...