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The site was identified as important in 2011 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List1	Season	Year(s)	Size	IBA criteria
Black-crowned Night Heron Nycticorax nycticorax	LC	breeding	2009	20-60 breeding pairs	C6
Purple Heron Ardea purpurea	LC	breeding	2009	10 breeding pairs	C6
Western Marsh-harrier Circus aeruginosus	LC	winter	2006	min 55 individuals	C6
Western Marsh-harrier Circus aeruginosus	LC	resident	2006	min 9 breeding pairs	C6

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2011) may differ.

Year	Protected Area	Designation	% overlap with IBA
1990	Galachos de La Alfranca de Pastriz; La Cartuja y El Burgo de Ebro	Special Protection Area (Birds Directive)	12
1991	Galachos de la Alfranca de Pastriz, la Cartuja y el Burgo de Ebro	Reserva Natural Dirigida	6
1998	Reserva Natural de Los Galachos de La Alfranca de Pastriz; La Cartuja y El Burgo de Ebro	Site of Community Importance (Habitats Directive)	6
2000	Sotos y Mejanas del Ebro	Site of Community Importance (Habitats Directive)	4
2000	El Castellar	Site of Community Importance (Habitats Directive)	6

Habitat1	Habitat detail	% of IBA
Artificial/Terrestrial	Arable land, Forestry plantations	60
Forest	Alluvial and very wet forest	30
Wetlands (inland)	Standing freshwater, Rivers and streams, Water fringe vegetation	25

1. IUCN Habitat classification.

Land use	% of IBA
hunting	85
agriculture	50
forestry	30
nature conservation and research	15

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: River Ebro ox-bow lakes (Spain). Downloaded from https://datazone.birdlife.org/site/factsheet/river-ebro-ox-bow-lakes-iba-spain on 23/11/2024.