Phenology and biological traits of migrating eels sampled by trapping in the survey in the Scorff river (France)

Latest version published by Institut National de la Recherche Agronomique (INRA) on Oct 31, 2019 Institut National de la Recherche Agronomique (INRA)

Since 1994, monitoring has been carried out to observe migration phenology and quantify the abundance of migratory eels in the Scorff basin. In the downstream part of the Scorff River, a trapping system (2 traps) control silver eel migration. On this occasion, biometric characteristics are developed to characterize the population in order to feed this data set.

Data Records

The data in this occurrence resource has been published as a Darwin Core Archive (DwC-A), which is a standardized format for sharing biodiversity data as a set of one or more data tables. The core data table contains 7,910 records. 1 extension data tables also exist. An extension record supplies extra information about a core record. The number of records in each extension data table is illustrated below.

  • Occurrence (core)
    7910
  • MeasurementOrFact 
    55370

This IPT archives the data and thus serves as the data repository. The data and resource metadata are available for download in the downloads section. The versions table lists other versions of the resource that have been made publicly available and allows tracking changes made to the resource over time.

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Rights

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The publisher and rights holder of this work is Institut National de la Recherche Agronomique (INRA). This work is licensed under a Creative Commons Attribution (CC-BY) 4.0 License.

GBIF Registration

This resource has been registered with GBIF, and assigned the following GBIF UUID: 593cb5c7-4636-4e1e-8559-2797c4d94041.  Institut National de la Recherche Agronomique (INRA) publishes this resource, and is itself registered in GBIF as a data publisher endorsed by GBIF France.

Keywords

Occurrence; silver eel; Eels; population composition; trapping

Contacts

Who created the resource:

Nicolas Jeannot
Researcher
INRA U3E, Pôle AFB-INRA-Agrocampus Ouest-UPPA pour la gestion des migrateurs amphihalins dans leur environnement Moulin des Princes 56620 Pont-Scorff FR +33 297325429
Didier Azam
Researcher
INRA U3E, Pôle AFB-INRA-Agrocampus Ouest-UPPA pour la gestion des migrateurs amphihalins dans leur environnement 65 rue de St Brieuc, CS 84215 35042 Rennes FR +33 223485786
Yoann Guilloux
Researcher
FDPPMA56 Moulin des Princes 56620 Pont-Scorff FR +33 297325429
Etienne Prévost
Researcher
INRA ECOBIOP, Pôle AFB-INRA-Agrocampus Ouest-UPPA pour la gestion des migrateurs amphihalins dans leur environnement Aquapôle - Ibarron 64310 St-Pée-sur-Nivelle FR +33559515983

Who can answer questions about the resource:

Frédéric Marchand
Researcher
INRA U3E, Pôle AFB-INRA-Agrocampus Ouest-UPPA pour la gestion des migrateurs amphihalins dans leur environnement 65 rue de St Brieuc, CS 84215 35042 Rennes

Who filled in the metadata:

Frédéric Marchand
Researcher
INRA U3E, Pôle AFB-INRA-Agrocampus Ouest-UPPA pour la gestion des migrateurs amphihalins dans leur environnement 65 rue de St Brieuc, CS 84215 35042 Rennes

Who else was associated with the resource:

Programmer
Nadine Herrard
Programmer
NRA U3E, Pôle AFB-INRA-Agrocampus Ouest-UPPA pour la gestion des migrateurs amphihalins dans leur environnement 65 rue de St Brieuc, CS 84215 35042 Rennes FR +33 223485773
Distributor
GBIF France
IT support
GBIF France 43 rue Buffon 75005 Paris FR +33140798065

Geographic Coverage

The Scorff, coastal river in Normandy (France) http://services.sandre.eaufrance.fr/Courdo/Fiche/client/fiche_courdo.php?CdSandre=I9280600

Bounding Coordinates South West [47.77, -3.34], North East [48.17, -3.25]

Taxonomic Coverage

No Description available

Species  Anguilla anguilla (Linnaeus, 1758)

Temporal Coverage

Start Date / End Date 1994-06-24 / 2019-08-08

Project Data

The Research Observatory on Diadromous Fish in Coastal Streams (ORE DiaPFC) is a research infrastructure steered by INRA in partnership with AFB and part of the AFB-INRA R&D center. It’s focused on the study of the evolution of diadromous fish populations under the influence human induced environmental changes that affect these rivers (mainly climate and effects of agriculture). Diadromous species of primary interest are salmon (Salmo salar), trout (Salmo trutta), eel (Anguilla Anguilla), shads (Alosa sp.), and lampreys (Lampetra sp. and Petromyzon marinus). These species are threatened by the consequences of human activities. They are flagship species for the biodiversity of coastal streams. Nowadays, these streams are the main refuges for diadromous fish that have disappeared or dramatically declined on larger rivers. This ERO DiaPFC is a Research Infrastructure based on four coastal streams of the Atlantic and Channel coast of France: the Bresle and the Oir in Normandy, the Scorff in Brittany and the Nivelle in the Pays Basque. These four rivers are equipped with diadromous fish trapping facilities and are thoroughly and continuously surveyed from the mid 1980s. They are twinned with experimental ecology facilities located in Rennes (Brittany) and Saint-Pée-sur-Nivelle (Pays Basque). This set of facilities is complemented by individual-based eco-genetic simulators for in silico experimentation on virtual populations.

Title Observatoire de Recherche en Environnement des poissons diadromes sur les Fleuves Côtiers - Ecological Research Observatory on Diadromous Fish in coastal streams
Funding INRA and AFB
Study Area Description ERO DiaPFC is a Research Infrastructure based on three coastal streams of the Atlantic and Channel coast of France: the Bresle and the Oir in Normandy, the Scorff in Brittany and the Nivelle in the Pays Basque
Design Description The issue of 'Research Observatory on Diadromes Fish in Coastal Rivers (ORE DiaPFC) is to study the evolution of diadromous fish populations as a result of environmental changes (climate change and changes related to agriculture ) that affect these rivers.

The personnel involved in the project:

Principal Investigator
Etienne Prévost

Sampling Methods

Silver eels have been monitored by trapping at the Cerisel Mill, downstream trap operating the whole year. Trap configuration allows only partial capture depending on the flow which requires to estimate the effectiveness of the traps.

Study Extent Silver eels have been monitored since 1983.The trap is surveyed in the morning every day throughout the year on the River Oir, a tributary of the Sélune in Normandy.

Method step description:

  1. Silver eels have been monitored since 1983 by trapping at the Cerisel Mill, downstream trap operating the whole year. Trap configuration allows only partial capture depending on the flow which requires to estimate the effectiveness of the traps.

Additional Metadata

Alternative Identifiers http://ipt.gbif.fr/resource?r=inra_ang_scorff