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The site was identified as important in 2009 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
Hazel Grouse Tetrastes bonasia	LC	breeding	1990-2009	2-5 breeding pairs	C6
Black Stork Ciconia nigra	LC	breeding	2000-2009	1-2 breeding pairs	C6
European Honey-buzzard Pernis apivorus	LC	breeding	2000-2009	3-5 breeding pairs	C6
Red Kite Milvus milvus	LC	breeding	2003-2009	2-6 breeding pairs	C6

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2009) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2009. The most recent assessment (2009) is shown below.

State (condition of the trigger species' populations)
Species	Reference	Actual	Units	% remaining	Result
Hazel Grouse Tetrastes bonasia	15	5	breeding pairs	34	very unfavourable
Black Stork Ciconia nigra	1	1	breeding pairs	100	favourable
Red Kite Milvus milvus	1	3	breeding pairs	100	favourable

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Forest	good (> 90%)	good (> 90%)	favourable
Wetlands (inland)	good (> 90%)	good (> 90%)	favourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Human intrusions and disturbance	happening now	majority/most of area/population (50-90%)	slow but significant deterioration	high
Natural system modifications	happening now	majority/most of area/population (50-90%)	slow but significant deterioration	high
Agricultural expansion and intensification	happening now	some of area/population (10-49%)	slow but significant deterioration	medium

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Whole area of site (>90%) covered by appropriate conservation designation	No management plan exists but the management planning process has begun	Some limited conservation initiatives are in place	low

Year	Protected Area	Designation	% overlap with IBA
1965	Parc naturel de l'Our / Naturpark Our	Parc Naturel	98
1983	Vallée de l'Our - Trois Frontières - Dasbourg	Protected Area	100
1996	Vallée de l'Our de Ouren a Wallendorf Pont	Site of Community Importance (Habitats Directive)	100
2002	Vallée supérieure de l'Our et affluents de Lieler à Dasbourg	Zones protégées d'intérêt communautaire - Zones Oiseaux ZPS	81
2004	Vallée de l'Our de Ouren a Wallendorf Pont	Zones protégées d'intérêt communautaire - Zones Habitats ZSC	81
2005	Vallée supérieure de l'Our et affluents de Lieler à Dasbourg	Special Protection Area (Birds Directive)	100
2009	Vallée de l'Our de Ouren àWallendorf Pont	Special Conservation Area	100
2017	Kasselslay / Zogel	Protected Area	4

Habitat1	Habitat detail	% of IBA
Forest	Broadleaved deciduous woodland, Native coniferous woodland, Alluvial and very wet forest, Mixed woodland	68
Grassland	Humid grasslands, Mesophile grasslands	16
Artificial/Terrestrial	Arable land, Forestry plantations, Other urban and industrial areas	15
Wetlands (inland)	Rivers and streams	1

1. IUCN Habitat classification.

Land use	% of IBA
forestry	79
rangeland/pastureland	15
agriculture	5
hunting	major (>10)
tourism/recreation	major (>10)
nature conservation and research	minor (<10)

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Upper Valley of the Our (Luxembourg). Downloaded from https://datazone.birdlife.org/site/factsheet/upper-valley-of-the-our-iba-luxembourg on 23/11/2024.