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The site was identified as internationally important for bird conservation 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 List	Season (year[s] of estimate)	Size	IBA criteria
Little Crake Zapornia parva	LC	resident (2009)	present	C6
Little Crake Zapornia parva	LC	passage (2009)	present	C6
Baillon's Crake Zapornia pusilla	LC	resident (2009)	present	C6
Baillon's Crake Zapornia pusilla	LC	passage (2009)	present	C6
Common Little Bittern Ixobrychus minutus	LC	breeding (2009)	13–22 pairs	C6
Black-winged Stilt Himantopus himantopus	LC	breeding (2009)	45–347 pairs	B1i, C2, C6
Kentish Plover Charadrius alexandrinus	LC	resident (2009)	9–78 pairs	B2
Mediterranean Gull Larus melanocephalus	LC	winter (2009)	250–4,100 birds	C2
Audouin's Gull Larus audouinii	VU	breeding (2011)	max 380 pairs	A1, A4i, B1i, B2, C1, C2
Audouin's Gull Larus audouinii	VU	passage (2009)	110–2,437 birds	A1, A4i, B1i, C1, C2
Western Marsh-harrier Circus aeruginosus	LC	winter (2009)	6–11 birds	C6
Western Marsh-harrier Circus aeruginosus	LC	resident (2009)	max 1 pairs	C6
Moustached Warbler Acrocephalus melanopogon	LC	resident (2009)	1–5 pairs	C6

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2011. The most recent assessment (2008) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Transportation and service corridors	happe­ning now	whole of popul­ation/area (>90%)	rapid decline (>30% over 3 gener­ations)	very high
Human intrusions and disturbance	happe­ning now	whole of popul­ation/area (>90%)	rapid decline (>30% over 3 gener­ations)	very high
Invasive and other problematic species and genes	happe­ning now	whole of popul­ation/area (>90%)	rapid decline (>30% over 3 gener­ations)	very high
Pollution	happe­ning now	whole of popul­ation/area (>90%)	rapid decline (>30% over 3 gener­ations)	very high

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Some of area covered (10–49%)	Not assessed	Not assessed	very low

Year	Protected Area	Designation (category)	% coverage of IBA
1987	Ricarda-Ca l`Arana	Reserva Natural Parcial (IV)	5
1987	Remolar-Filipines	Reserva Natural Parcial (IV)	3
1987	El Remolar--Filipines	Natural Reserve (-)	3
1987	La Ricarda--Ca l'Arana	Natural Reserve (-)	5
1992	Delta del Llobregat	Plan Especial de Protección (PEIN) (V)	24

Habitat	% of IBA	Habitat detail
Artificial/Terrestrial	65	Arable land; Other urban and industrial areas; Ruderal land
Forest	5	Native coniferous woodland; Alluvial and very wet forest
Marine Coastal/Supratidal	-
Marine Intertidal	-
Marine Neritic	-

Land use	% of IBA
agriculture	40
urban/industrial/transport	15
nature conservation and research	10
tourism/recreation	10
forestry	10
not utilised	10

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Llobregat delta (Spain). Downloaded from https://datazone.birdlife.org/site/factsheet/llobregat-delta-iba-spain on 03/12/2024.