Seasonal downstream movements of the European eel in a Southwestern Europe river (River Ulla, NW Spain)
The phenology of downstream movements of Anguilla anguilla is well documented in Northern countries of Europe, but poorly known in temperate areas such as the Iberian Peninsula. For the purpose of this study continuous downstream movement fluxes of eels have been recorded using a fixed trap in River...
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ftusantcomposojs:oai:ojs.pkp.sfu.ca:article/1831 2023-05-15T13:27:02+02:00 Seasonal downstream movements of the European eel in a Southwestern Europe river (River Ulla, NW Spain) Seasonal movements of the European eel in a Southwestern Europe river (river Ulla, NW Spain) Cobo Gradín, Fernando Sánchez Hernández, Javier Vieira, Rufino Servia, María José 2014-07-01 application/pdf https://revistas.usc.gal/index.php/nacc/article/view/1831 eng eng Servizo de Publicacións e Intercambio Científico, Universidade de Santiago de Compostela https://revistas.usc.gal/index.php/nacc/article/view/1831/1917 https://revistas.usc.gal/index.php/nacc/article/view/1831 Nova Acta Científica Compostelana; Vol. 21 (2014) Nova Acta Científica Compostelana; Vol 21 (2014) 2340-0021 1130-9717 Anguilla anguilla silver eel yellow eel downstream movement Iberian Peninsula anguila plateada anguila amarilla movimiento aguas abajo Península Ibérica info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed article Artículo revisado por pares Artigo revisado por pares 2014 ftusantcomposojs 2022-12-06T17:22:15Z The phenology of downstream movements of Anguilla anguilla is well documented in Northern countries of Europe, but poorly known in temperate areas such as the Iberian Peninsula. For the purpose of this study continuous downstream movement fluxes of eels have been recorded using a fixed trap in River Ulla (Galicia, NW Spain) during a 13-year monitoring period. Analysis of the fixed trap data suggests that silver eels move downstream mainly in autumn, with a peak in October, while yellow eels present more activity and were captured more frequently when moving downstream in summer, with a peak in June/July. The findings from the present study suggest also that the situation for this species is critical in the area, with a significant declining trend in the eel abundance in the studied period. La fenología de los movimientos descendentes de Anguilla anguilla está bien documentada en los países del norte de Europa, pero se conoce poco en las zonas templadas, como la Península Ibérica. En este estudio se han registrado los movimientos aguas abajo de las anguilas, usando una trampa de captura fija situada en el río Ulla (Galicia, noroeste de España), durante un período de seguimiento de 13 años. El análisis de los datos sugiere que las anguilas plateadas se mueven aguas abajo sobre todo en otoño, con un pico en octubre, mientras que las anguilas amarillas presentan mayor actividad y fueron capturados con mayor frecuencia en el verano, con un pico en junio/julio. Los hallazgos del presente estudio sugieren también que la situación de la especie es crítica en la zona, con una significativa tendencia a la disminución en la abundancia en el período estudiado. Article in Journal/Newspaper Anguilla anguilla European eel rev{USC}: Portal dixital de revistas da USC (Universidade de Santiago de Compostela) |
institution |
Open Polar |
collection |
rev{USC}: Portal dixital de revistas da USC (Universidade de Santiago de Compostela) |
op_collection_id |
ftusantcomposojs |
language |
English |
topic |
Anguilla anguilla silver eel yellow eel downstream movement Iberian Peninsula anguila plateada anguila amarilla movimiento aguas abajo Península Ibérica |
spellingShingle |
Anguilla anguilla silver eel yellow eel downstream movement Iberian Peninsula anguila plateada anguila amarilla movimiento aguas abajo Península Ibérica Cobo Gradín, Fernando Sánchez Hernández, Javier Vieira, Rufino Servia, María José Seasonal downstream movements of the European eel in a Southwestern Europe river (River Ulla, NW Spain) |
topic_facet |
Anguilla anguilla silver eel yellow eel downstream movement Iberian Peninsula anguila plateada anguila amarilla movimiento aguas abajo Península Ibérica |
description |
The phenology of downstream movements of Anguilla anguilla is well documented in Northern countries of Europe, but poorly known in temperate areas such as the Iberian Peninsula. For the purpose of this study continuous downstream movement fluxes of eels have been recorded using a fixed trap in River Ulla (Galicia, NW Spain) during a 13-year monitoring period. Analysis of the fixed trap data suggests that silver eels move downstream mainly in autumn, with a peak in October, while yellow eels present more activity and were captured more frequently when moving downstream in summer, with a peak in June/July. The findings from the present study suggest also that the situation for this species is critical in the area, with a significant declining trend in the eel abundance in the studied period. La fenología de los movimientos descendentes de Anguilla anguilla está bien documentada en los países del norte de Europa, pero se conoce poco en las zonas templadas, como la Península Ibérica. En este estudio se han registrado los movimientos aguas abajo de las anguilas, usando una trampa de captura fija situada en el río Ulla (Galicia, noroeste de España), durante un período de seguimiento de 13 años. El análisis de los datos sugiere que las anguilas plateadas se mueven aguas abajo sobre todo en otoño, con un pico en octubre, mientras que las anguilas amarillas presentan mayor actividad y fueron capturados con mayor frecuencia en el verano, con un pico en junio/julio. Los hallazgos del presente estudio sugieren también que la situación de la especie es crítica en la zona, con una significativa tendencia a la disminución en la abundancia en el período estudiado. |
format |
Article in Journal/Newspaper |
author |
Cobo Gradín, Fernando Sánchez Hernández, Javier Vieira, Rufino Servia, María José |
author_facet |
Cobo Gradín, Fernando Sánchez Hernández, Javier Vieira, Rufino Servia, María José |
author_sort |
Cobo Gradín, Fernando |
title |
Seasonal downstream movements of the European eel in a Southwestern Europe river (River Ulla, NW Spain) |
title_short |
Seasonal downstream movements of the European eel in a Southwestern Europe river (River Ulla, NW Spain) |
title_full |
Seasonal downstream movements of the European eel in a Southwestern Europe river (River Ulla, NW Spain) |
title_fullStr |
Seasonal downstream movements of the European eel in a Southwestern Europe river (River Ulla, NW Spain) |
title_full_unstemmed |
Seasonal downstream movements of the European eel in a Southwestern Europe river (River Ulla, NW Spain) |
title_sort |
seasonal downstream movements of the european eel in a southwestern europe river (river ulla, nw spain) |
publisher |
Servizo de Publicacións e Intercambio Científico, Universidade de Santiago de Compostela |
publishDate |
2014 |
url |
https://revistas.usc.gal/index.php/nacc/article/view/1831 |
genre |
Anguilla anguilla European eel |
genre_facet |
Anguilla anguilla European eel |
op_source |
Nova Acta Científica Compostelana; Vol. 21 (2014) Nova Acta Científica Compostelana; Vol 21 (2014) 2340-0021 1130-9717 |
op_relation |
https://revistas.usc.gal/index.php/nacc/article/view/1831/1917 https://revistas.usc.gal/index.php/nacc/article/view/1831 |
_version_ |
1766395978332504064 |