Descrição
Since 1995, monitoring has been carried out to observe migration phenology and quantify the abundance of migratory salmon in the Scorff basin. In the downstream part of the Scorff River, a trapping system controls salmon migration by means of 2 traps, one for the descending fish and the other for the ascending fish. On this occasion, biometric characteristics are developed to characterize the population in order to feed this data set.
Registros de Dados
Os dados deste recurso de ocorrência foram publicados como um Darwin Core Archive (DwC-A), que é o formato padronizado para compartilhamento de dados de biodiversidade como um conjunto de uma ou mais tabelas de dados. A tabela de dados do núcleo contém 103.365 registros.
Também existem 1 tabelas de dados de extensão. Um registro de extensão fornece informações adicionais sobre um registro do núcleo. O número de registros em cada tabela de dados de extensão é ilustrado abaixo.
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.
Versões
A tabela abaixo mostra apenas versões de recursos que são publicamente acessíveis.
Direitos
Pesquisadores devem respeitar a seguinte declaração de direitos:
O editor e o detentor dos direitos deste trabalho é Institut national de recherche pour l’agriculture, l’alimentation et l’environnement (INRAE). This work is licensed under a Creative Commons Attribution (CC-BY 4.0) License.
GBIF Registration
Este recurso foi registrado no GBIF e atribuído ao seguinte GBIF UUID: d1d386f4-1c00-48c0-b9b2-5efdec12b159. Institut national de recherche pour l’agriculture, l’alimentation et l’environnement (INRAE) publica este recurso, e está registrado no GBIF como um publicador de dados aprovado por GBIF France.
Palavras-chave
Occurrence; Observation; population composition; trapping; salmon; smot; migration; phenology; Occurrence
Contatos
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Cobertura Geográfica
The Scorff river in Britanny (France). http://services.sandre.eaufrance.fr/Courdo/Fiche/client/fiche_courdo.php?CdSandre=J5--022
| Coordenadas delimitadoras | Sul Oeste [47,77, -3,34], Norte Leste [48,17, -3,25] |
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Cobertura Taxonômica
Nenhuma descrição disponível
| Espécie | Salmo salar (Linnaeus, 1758) (Atlantique Salmon) |
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Cobertura Temporal
| Data Inicial / Data final | 1994-06-24 / 2024-03-04 |
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Dados Sobre o Projeto
The Research Observatory on Diadromous Fish in Coastal Streams (ORE DiaPFC) is a research infrastructure steered by INRAE in partnership with OFB and part of the OFB-INRAE 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.
| Título | Observatoire de Recherche en Environnement des poissons diadromes sur les Fleuves Côtiers - Ecological Research Observatory on Diadromous Fish in coastal streams |
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| Financiamento | - INRAE : French National Institute for Agricultural, Food en Environment Research - OFB : French Office for Biodiversity - FEAMP : (European Fund for Maritime Affairs and Fisheries). - Since 2017, data collected on salmon in the framework of the ORE DiaPFC have been included in the national program for the data collect in support of scientific advice for the Common Fisheries Policy for the European regulations on fisheries management. In this context, INRAE and OFB contribute to the National Work Program piloted by the DPMA of the Ministry of the Environment. This program is financially supported by FEAMP and FEAMPA. |
| Descrição da Área de Estudo | 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 |
| Descrição do Design | 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. |
O pessoal envolvido no projeto:
Métodos de Amostragem
The traps are surveyed in the morning every day and several times a day during periods of high migration throughout the year. Biometric measurement of the fish are recorded after their anesthesia with benzocaïne. The fish length is measured from the tip of the mouth to the fork of the caudal fin (1 millimeter precision). Fish are then weighed (0.2 g precision for smolts and 0.5 g for adults). Sex is determined on the basis of phenological criteria and maturity status is assessed by a gentle pressure on the belly that allows to get sperm in mature males. All the fish sampled are then released.
| Área de Estudo | Scorff river, CdSandre=J5--0220 Latitude between 47.7718 and 48.1682; longitude between -3.2497 and -3.3404 Source latitude and longitude : 48.14 -3.283 Last confluence point latitude and longitude : 47.7371 -3.3474 The Scorff river is a small coastal stream of Southern Brittany (France). The main river is 78,6 Km long including 15 km of estuary. The mean gradient is 3,6%, the annual mean discharge is 5 m3 s- and the drainage basin area is 480 km2. Human activities and land use are mainly from agriculture, with some areas made moors and forests. Atlantic salmon colonization is essentially restricted to the main river over a 50 km stretch starting at the head of tide. Reproduction of Atlantic salmon takes place mostly in the main river (Bagliniere et al., 1979).The Scorff has only three larger tributaries. Up to recent years, their colonization by Atlantic salmon was restricted their down-stream end due to mill-dams. |
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Descrição dos passos do método:
- The migratory fish monitoring station has been in operation since 1993. Adults and smolts salmon are monitored by means of 3 traps, two for the descending fish and the other for the ascending fish. Salmon are monitored by trapping at the Tan Mill and traps operating the whole year. Trap configuration allows only partial capture depending on the flow which requires to estimate the effectiveness of the traps.
Citações bibliográficas
- Buoro, M., E. Prévost, et O. Gimenez. « Digging through model complexity: using hierarchical models to uncover evolutionary processes in the wild ». Journal of Evolutionary Biology 25, nᵒ 10 (octobre 2012): 2077‑90. https://doi.org/10.1111/j.1420-9101.2012.02590.x.
- Buoro, Mathieu, Olivier Gimenez, et Etienne Prévost. « Assessing adaptive phenotypic plasticity by means of conditional strategies from empirical data: the latent environmental threshold model. » Evolution 66, nᵒ 4 (avril 2012): 996‑1009. https://doi.org/10.1111/j.1558-5646.2011.01484.x.
- Buoro, Mathieu, Etienne Prévost, et Olivier Gimenez. « Investigating evolutionary trade-offs in wild populations of atlantic salmon (salmo salar): incorporating detection probabilities and individual heterogeneity: estimating trade-offs with mark-recapture data ». Evolution 64, nᵒ 9 (septembre 2010): 2629‑42. https://doi.org/10.1111/j.1558-5646.2010.01029.x.
- Otero, Jaime, Jan Henning L’Abée-Lund, Ted Castro-Santos, Kjell Leonardsson, Geir O. Storvik, Bror Jonsson, Brian Dempson, et al. « Basin-Scale Phenology and Effects of Climate Variability on Global Timing of Initial Seaward Migration of Atlantic Salmon ( Salmo Salar ) ». Global Change Biology 20, no 1 (janvier 2014): 61‑75. https://doi.org/10.1111/gcb.12363.
- Legrand Marion, Cédric Briand, Laëtitia Buisson, Gwenaël Artur, Didier Azam, Aurore Baisez, David Barracou, et al. « Contrasting trends between species and catchments in diadromous fish counts over the last 30 years in France ». Knowledge & Management of Aquatic Ecosystems, no 421 (2020): 7. https://doi.org/10.1051/kmae/2019046.
Metadados Adicionais
This data set is intended to be updated annually
| Propósito | Monitoring of salmon migration. |
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| Identificadores alternativos | d1d386f4-1c00-48c0-b9b2-5efdec12b159 |
| https://ipt.gbif.fr/resource?r=inrae_scorff_ps |