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Elliott SA, Deleys N, Beaulaton L, Rivot E, Réveillac E, Acou A. Fisheries-dependent and -independent data used to model the distribution of diadromous fish at-sea. Data Brief 2023; 48:109107. [PMID: 37095755 PMCID: PMC10121382 DOI: 10.1016/j.dib.2023.109107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 02/26/2023] [Accepted: 03/24/2023] [Indexed: 04/03/2023] Open
Abstract
A database of 168 904 hauls covering the period from 1965 to 2019, from 46 surveys containing both fisheries-dependent (fishing vessels) and -independent data (scientific surveys) were collated from across the eastern Atlantic (Greater North Sea, Celtic Sea, Bay of Biscay and Iberian coast) and Metropolitan French Mediterranean waters. Data on diadromous fish (the European sturgeon (Acipenser sturio), allis shad (Alosa alosa), twait shad (Alosa fallax), Mediterranean twaite shad (Alosa agone), European eel (Anguilla anguilla), thinlip mullet (Chelon ramada), river lamprey (Lampetra fluviatilis), sea lamprey (Petromyzon marinus), smelt (Osmerus eperlanus), European flounder (Platichthys flesus), Atlantic salmon (Salmo salar) and the sea trout (Salmo trutta)) presence-absence was extracted and cleaned. The gear type and gear category which caught these species, their spatial location, and the date of capture (year and month), were also cleaned and standardised. Very little is known about diadromous fish at-sea and modelling data-poor and poorly detectable species such as diadromous fish is challenging for species conservation. Furthermore, databases which contain both scientific surveys and fisheries-dependent data on data-poor species at the temporal and geographical scale of this database are uncommon. This data could therefore be used to improve knowledge of diadromous fish spatial and temporal trends, and modelling techniques for data-poor species.
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Elliott SAM, Deleys N, Rivot E, Acou A, Réveillac E, Beaulaton L. Shedding light on the river and sea lamprey in western European marine waters. ENDANGER SPECIES RES 2021. [DOI: 10.3354/esr01113] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Lampreys are ancestral jawless vertebrates with particularly complex life histories. Population declines resulting from increased anthropogenic pressure have been observed. For semelparous diadromous lampreys, the marine phase remains largely a black box, making targeted management and conservation measures difficult to implement. Here, we collated a database of 168904 hauls from both fisheries-dependent and fisheries-independent surveys between 1965 and 2019. Lampreys were observed in only 254 hauls (<1% lamprey presence); 421 sea lamprey Petromyzon marinus and 300 European river lamprey Lampetra fluviatilis were identified. Sizes ranged from 13 to 92 cm and from 14 to 42 cm, respectively. The majority of lampreys (61%) were caught by mobile demersal gear types. The highest presence of both species was recorded within the Greater North Sea, followed by the Bay of Biscay. L. fluviatilis was observed closer to the coast than P. marinus. For both lampreys, there was an increase in size with distance from the coast. P. marinus were predominantly <60 cm and observed from August to February, indicating that these were sexually immature juveniles migrating out to sea. For L. fluviatilis, the majority were thought to be adults (>20 cm) and occurred in autumn, indicating inshore migration. Our observations provide insight into the ecology of lampreys at sea and highlight study locations and gear types, which may be more pertinent for future research. Greater awareness is needed during surveys to collate catch information on lampreys and improve understanding of their ecology and phenology at sea.
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Affiliation(s)
- SAM Elliott
- Management of Diadromous Fish in their Environment OFB-INRAE-Institut Agro-UPPA, 35042 Rennes, France
- UMR ESE Ecology and Ecosystem Health, Institut Agro, INRAE, 35042 Rennes, France
| | - N Deleys
- Management of Diadromous Fish in their Environment OFB-INRAE-Institut Agro-UPPA, 35042 Rennes, France
- French Research Institute for Exploitation of the Sea (IFREMER) VIGIES, 44311 Nantes, France
| | - E Rivot
- Management of Diadromous Fish in their Environment OFB-INRAE-Institut Agro-UPPA, 35042 Rennes, France
- UMR ESE Ecology and Ecosystem Health, Institut Agro, INRAE, 35042 Rennes, France
| | - A Acou
- Management of Diadromous Fish in their Environment OFB-INRAE-Institut Agro-UPPA, 35042 Rennes, France
- UMS OFB-CNRS-MNHN PatriNat, Station marine du Museum National d’Histoire Naturelle, 35800 Dinard, France
| | - E Réveillac
- Littoral, Environnement et Sociétés (LIENSs), UMR 7266, La Rochelle Université-CNRS, 17000 La Rochelle, France
| | - L Beaulaton
- Management of Diadromous Fish in their Environment OFB-INRAE-Institut Agro-UPPA, 35042 Rennes, France
- OFB, DRAS, 35042 Rennes, France
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Jousseaume T, Roussel JM, Beaulaton L, Bardonnet A, Faliex E, Amilhat E, Acou A, Feunteun E, Launey S. Molecular detection of the swim bladder parasite Anguillicola crassus (Nematoda) in fecal samples of the endangered European eel Anguilla anguilla. Parasitol Res 2021; 120:1897-1902. [PMID: 33674925 DOI: 10.1007/s00436-021-07100-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Accepted: 02/22/2021] [Indexed: 11/29/2022]
Abstract
The European eel Anguilla anguilla is listed as critically endangered by the IUCN. Among many threats, the introduced parasitic nematode Anguillicola crassus is suspected to alter the eels' swim bladder and jeopardize their reproductive oceanic migration. To date, gaining knowledge about the distribution and prevalence of A. crassus requires individual sacrifice (over 50,000 eels were sacrificed for epidemiology studies since 2010). This paper describes a non-lethal molecular protocol for identifying prevalence of A. crassus in A. anguilla, based on searching for A. crassus DNA in the feces of eels. Tests using three DNA microsatellite markers specific to the nematode showed that molecular detection provided similar results to visual examination of the swim bladder in up to 80% of the cases, and allowed for comparison of prevalence among sites. Easy to implement, this non-lethal protocol for detecting A. crassus could be valuable for management plans of this endangered species.
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Affiliation(s)
- Thibaut Jousseaume
- ESE, Ecology and Ecosystems Health, Agrocampus Ouest, INRAE, Rennes, France.,Management of Diadromous Fish in their Environment, OFB, INRAE, Agrocampus Ouest, Univ Pau Pays Adour, 65 rue de Saint-Brieuc, 35042, Rennes, France
| | - Jean-Marc Roussel
- ESE, Ecology and Ecosystems Health, Agrocampus Ouest, INRAE, Rennes, France.,Management of Diadromous Fish in their Environment, OFB, INRAE, Agrocampus Ouest, Univ Pau Pays Adour, 65 rue de Saint-Brieuc, 35042, Rennes, France
| | - Laurent Beaulaton
- Management of Diadromous Fish in their Environment, OFB, INRAE, Agrocampus Ouest, Univ Pau Pays Adour, 65 rue de Saint-Brieuc, 35042, Rennes, France.,OFB, Direction de la Recherche et de l'Appui Scientifique, Rennes, France
| | - Agnès Bardonnet
- Management of Diadromous Fish in their Environment, OFB, INRAE, Agrocampus Ouest, Univ Pau Pays Adour, 65 rue de Saint-Brieuc, 35042, Rennes, France.,INRAE, Université de Pau et des Pays de l'Adour, E2S UPPA, Collège STE, Ecobiop, St-Pée-sur-Nivelle, France
| | - Elisabeth Faliex
- Centre de Formation et de Recherche sur les Environnements Méditerranéens (Cefrem), UMR 5110 CNRS-Université de Perpignan, Perpignan, France
| | - Elsa Amilhat
- Centre de Formation et de Recherche sur les Environnements Méditerranéens (Cefrem), UMR 5110 CNRS-Université de Perpignan, Perpignan, France
| | - Anthony Acou
- Management of Diadromous Fish in their Environment, OFB, INRAE, Agrocampus Ouest, Univ Pau Pays Adour, 65 rue de Saint-Brieuc, 35042, Rennes, France.,MNHN-Station de Biologie Marine de Dinard, CRESCO, Dinard, France
| | - Eric Feunteun
- MNHN-Station de Biologie Marine de Dinard, CRESCO, Dinard, France.,Biologie des Organismes et Ecosystèmes Aquatiques, MNHN, CNRS, Sorbonne Université, IRD, Université Caen Normandie, Université des Antilles, Station Marine, Dinard, France
| | - Sophie Launey
- ESE, Ecology and Ecosystems Health, Agrocampus Ouest, INRAE, Rennes, France. .,Management of Diadromous Fish in their Environment, OFB, INRAE, Agrocampus Ouest, Univ Pau Pays Adour, 65 rue de Saint-Brieuc, 35042, Rennes, France.
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Pottier G, Marchand F, Beaulaton L. A comprehensive guide to set up correctly an electrofishing gear. Environ Monit Assess 2019; 192:22. [PMID: 31820111 DOI: 10.1007/s10661-019-8000-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Accepted: 11/29/2019] [Indexed: 06/10/2023]
Abstract
This study aimed to describe the influence of different electrofishing engine configurations on electric field dispersion in water. Several experiments with original results are included. The aims were to (i) assess the equivalent electrode resistances and the output voltage at the anode, (ii) assess the influence of electrode misuse on the dispersal of the electric field in water, (iii) assess the influence of the duty cycle and the frequency on the radius of attraction around the anode, and (iv) set the voltage and the duty cycle based on information from models for backpack and bankside electrofishing engines. A synthesis of equivalent electrode resistances from different studies was created. Using an oxidised anode induced a decrease in the radius of attraction. Frequency had no influence on the radius of attraction, in contrast to the duty cycle. Models including the voltage and the duty cycle were created to enable the configuration of electrofishing engines.
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Affiliation(s)
- Gaétan Pottier
- INRA, U3E (, Pôle GEST'AQUA, F-35042, Rennes, France.
- AFB, DREC, Pôle Gest'Aqua, 65 rue de Saint Brieuc, 35042, Rennes Cedex, France.
- Hydreco Guyane, Laboratoire Environnement de Petit Saut, 97388, Kourou Cedex, France.
| | - Frédéric Marchand
- INRA, U3E (, Pôle GEST'AQUA, F-35042, Rennes, France
- AFB, DREC, Pôle Gest'Aqua, 65 rue de Saint Brieuc, 35042, Rennes Cedex, France
| | - Laurent Beaulaton
- INRA, U3E (, Pôle GEST'AQUA, F-35042, Rennes, France
- AFB, DREC, Pôle Gest'Aqua, 65 rue de Saint Brieuc, 35042, Rennes Cedex, France
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Marchand F, Beaulaton L, Prévost E, Delanoë R, Destouches JP, Gueraud F, Guilloux Y, Jeannot N, Huchet E, Lange F, Rives J, Tremblay J, Herrard N, Azam D. Abundance indices and biological traits of juvenile salmon ( Salmo salar) sampled in three rivers on the Atlantic and Channel coasts (France). Biodivers Data J 2017:e15125. [PMID: 29308041 PMCID: PMC5740413 DOI: 10.3897/bdj.5.e15125] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Accepted: 11/03/2017] [Indexed: 11/12/2022] Open
Abstract
Background Atlantic Salmon (Salmo salar) is an anadromous migratory species adapted to cool temperatures. It is protected by the Bern convention and by the European Habitats Directive. It has been listed as vulnerable by the French IUCN Red List. Salmon decline is the result of combined and cumulated, mainly anthropic, causes: climate change, increasingly high number of impoundments, degradation of water quality and habitat and over-exploitation by fisheries. Monitoring of this species has been carried out on three rivers in France (Southern part of the distribution area) to produce data and knowledge (growth, precocious maturity, survival) for stock management.For 24 years, a specific and standardised electric fishing protocol has been used to target young-of-the-year (0+ parr) Atlantic salmon. Sampling was restricted to areas with shallow running water that flows over a coarse bottom substrate, i.e. the preferred habitat of young salmon. This monitoring and inventory of growing areas thus allows assessment of juvenile recruitment and provides baseline data required to calculate total allowable catches (TACs). New information The dataset currently consists of 47,077 occurrence data points from 105 sites spanning up to 24 years in three different watersheds in France. Beyond our project, this dataset has a clear utility to research since it associates abundance measurements with the measurement of biological traits and the collection of tissue samples. It allows for current and retrospective characterisation of individuals or populations, according to life history traits and genetic features in relation to changes in environmental conditions. The fact that the monitoring takes place in France, the southern part of the distribution area, over 24 years, makes the dataset particularly relevant for climate change studies.
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Affiliation(s)
- Frédéric Marchand
- U3E, Ecologie et Ecotoxicologie aquatique,INRA, pôle Gest'Aqua, 35042 Rennes, France.,AFB, pôle Gest'Aqua, 35042 Rennes, France
| | - Laurent Beaulaton
- AFB, pôle Gest'Aqua, 35042 Rennes, France.,U3E, Ecologie et Ecotoxicologie aquatique,INRA, pôle Gest'Aqua, 35042 Rennes, France
| | - Etienne Prévost
- AFB, pôle Gest'Aqua, 35042 Rennes, France.,ECOBIOP, INRA, University Pau & Pays Adour, Aquapôle, Quartier Ibarron, 64310 Saint-Pée-sur-Nivelle, France
| | - Richard Delanoë
- AFB, pôle Gest'Aqua, 35042 Rennes, France.,U3E, Ecologie et Ecotoxicologie aquatique,INRA, pôle Gest'Aqua, 35042 Rennes, France
| | - Jean-Pierre Destouches
- U3E, Ecologie et Ecotoxicologie aquatique,INRA, pôle Gest'Aqua, 35042 Rennes, France.,AFB, pôle Gest'Aqua, 35042 Rennes, France
| | - François Gueraud
- ECOBIOP, INRA, University Pau & Pays Adour, Aquapôle, Quartier Ibarron, 64310 Saint-Pée-sur-Nivelle, France.,AFB, pôle Gest'Aqua, 35042 Rennes, France
| | - Yoann Guilloux
- Fédération du Morbihan pour la Pêche et la Protection du Milieu Aquatique, 56890 Saint-Avé, France
| | - Nicolas Jeannot
- U3E, Ecologie et Ecotoxicologie aquatique,INRA, pôle Gest'Aqua, 35042 Rennes, France.,AFB, pôle Gest'Aqua, 35042 Rennes, France
| | - Emmanuel Huchet
- ECOBIOP, INRA, University Pau & Pays Adour, Aquapôle, Quartier Ibarron, 64310 Saint-Pée-sur-Nivelle, France.,AFB, pôle Gest'Aqua, 35042 Rennes, France
| | - Frédéric Lange
- ECOBIOP, INRA, University Pau & Pays Adour, Aquapôle, Quartier Ibarron, 64310 Saint-Pée-sur-Nivelle, France.,AFB, pôle Gest'Aqua, 35042 Rennes, France
| | - Jacques Rives
- ECOBIOP, INRA, University Pau & Pays Adour, Aquapôle, Quartier Ibarron, 64310 Saint-Pée-sur-Nivelle, France.,AFB, pôle Gest'Aqua, 35042 Rennes, France
| | - Julien Tremblay
- U3E, Ecologie et Ecotoxicologie aquatique,INRA, pôle Gest'Aqua, 35042 Rennes, France.,AFB, pôle Gest'Aqua, 35042 Rennes, France
| | - Nadine Herrard
- U3E, Ecologie et Ecotoxicologie aquatique,INRA, pôle Gest'Aqua, 35042 Rennes, France.,AFB, pôle Gest'Aqua, 35042 Rennes, France
| | - Didier Azam
- U3E, Ecologie et Ecotoxicologie aquatique,INRA, pôle Gest'Aqua, 35042 Rennes, France.,AFB, pôle Gest'Aqua, 35042 Rennes, France
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Abstract
Using the electrofishing database of the French National Agency for Water and Aquatic Environment (Onema), the time trends of 48 freshwater fish taxa at 590 sites monitored for at least 8 years from 1990 to 2009 were investigated. The results demonstrated that species richness increased steadily from the beginning of the monitoring period. This is congruent with the finding that the number of species displaying a significant increase in spatial distribution or abundance was greater than those showing a significant decrease. Some species, however, had declined both in occurrence and abundance, e.g. tench Tinca tinca, common bream Abramis brama, brown trout Salmo trutta and European eel Anguilla anguilla. The species showing the most spectacular colonization were non-native, e.g. topmouth gudgeon Pseudorasbora parva, wels catfish Silurus glanis and asp Aspius aspius. The time trends in population density were related to the maximal body size, habitat requirement, occurrence and abundance and the status (i.e. native or exotic) but not to the spawning temperature.
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Affiliation(s)
- N Poulet
- French National Agency for Water and Aquatic Environment (Onema), Direction Générale Le Nadar, square Félix Nadar 94300 Vincennes, France.
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