ES159
Albufera de Valencia marshes This is an IBA in danger! 


IBA Criteria

Year of most recent IBA criteria assessment: 2011

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Marbled Teal Marmaronetta angustirostris VU breeding 2009 1-4 breeding pairs B2, C2, C6
Red-crested Pochard Netta rufina LC winter 2009 1,401-9,450 individuals A4i, B1i, C3
Northern Shoveler Spatula clypeata LC winter 2009 1,128-10,985 individuals A4i, B1i, C3
Balearic Shearwater Puffinus mauretanicus CR winter 1999-2007 max 615 individuals A1, A4ii, B1ii, C1, C2
Common Little Bittern Ixobrychus minutus LC breeding 2009 82-108 breeding pairs B1i, B2, C2, C6
Black-crowned Night-heron Nycticorax nycticorax LC breeding 2009 117-156 breeding pairs B2, C2, C6
Squacco Heron Ardeola ralloides LC breeding 2009 137-208 breeding pairs B1i, B2, C2, C6
Cattle Egret Bubulcus ibis LC resident 2009 1,556-3,540 breeding pairs A4i, B1i, C3
Purple Heron Ardea purpurea LC breeding 2009 18-51 breeding pairs B1i, B2, C2, C6
Little Egret Egretta garzetta LC resident 2009 1,286-2,215 breeding pairs A4i, B1i, C2, C6
Little Egret Egretta garzetta LC winter 2009 2,917-5,448 individuals A4i, B1i, C2, C6
Great Cormorant Phalacrocorax carbo LC winter 2009 2,681-4,280 individuals B1i, C3
Black-winged Stilt Himantopus himantopus LC breeding 2009 390-695 breeding pairs A4i, B1i, C2, C6
Kentish Plover Charadrius alexandrinus LC resident 2009 60-74 breeding pairs B2
Black-tailed Godwit Limosa limosa NT winter 2009 81-168 individuals A1, C1
Slender-billed Gull Larus genei LC breeding 2006-2009 72-224 breeding pairs C2, C6
Black-headed Gull Larus ridibundus LC resident 2009 530-1,081 breeding pairs B1i, C3
Black-headed Gull Larus ridibundus LC winter 2009 20,902-43,877 individuals A4i, B1i, C3
Audouin's Gull Larus audouinii VU winter 2009 11-24 individuals C6
Audouin's Gull Larus audouinii VU passage 1997 100-400 individuals A1, C1, C6
Audouin's Gull Larus audouinii VU resident 2008-2009 140-275 breeding pairs A1, A4i, B1i, C1, C2, C6
Little Tern Sternula albifrons LC breeding 2007-2009 177-223 breeding pairs B1i, B2, C2, C6
Common Tern Sterna hirundo LC non-breeding 1999-2007 62-6,267 individuals B1i, C2, C6
Common Tern Sterna hirundo LC breeding 2007-2009 2,290-2,292 breeding pairs B1i, C2, C6
Common Gull-billed Tern Gelochelidon nilotica LC breeding 2009 634-1,031 breeding pairs A4i, B1i, B2, C2, C6
Sandwich Tern Thalasseus sandvicensis LC winter 2009 120-279 individuals C6
Sandwich Tern Thalasseus sandvicensis LC resident 2007-2009 2,000-2,583 breeding pairs A4i, B1i, B2, C2, C6

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here


IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2016 very high very unfavourable high
Was the whole site covered? Yes State assessed by Population
Accuracy of information good

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Agricultural expansion and intensification annual & perennial non-timber crops - agro-industry farming happening now majority/most of area/population (50-90%) very rapid to severe deterioration very high
Biological resource use fishing & harvesting aquatic resources - persecution/control happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Climate change and severe weather drought happening now whole area/population (>90%) moderate to rapid deterioration very high
Human intrusions and disturbance recreational activities happening now small area/few individuals (<10%) moderate to rapid deterioration low
Invasive and other problematic species and genes invasive non-native/alien species/diseases - named species happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Natural system modifications dams & water management/use - abstraction of surface water (agricultural use) happening now small area/few individuals (<10%) slow but significant deterioration low
Pollution agricultural & forestry effluents - herbicides and pesticides happening now whole area/population (>90%) moderate to rapid deterioration very high
Residential and commercial development tourism and recreation areas happening now small area/few individuals (<10%) slow but significant deterioration low
Transportation and service corridors roads and railroads happening now majority/most of area/population (50-90%) slow but significant deterioration high

Condition of key/trigger populations (state)
Scientific Common TargetPop ActualPop Units Remaining Result
Marmaronetta angustirostris Marbled Teal 4 1 breeding pairs 25 very unfavourable
Netta rufina Red-crested Pochard 41 37 adults 91 favourable
Netta rufina Red-crested Pochard 9450 1705 individuals 19 very unfavourable
Spatula clypeata Northern Shoveler 10985 4828 individuals 44 unfavourable
Ixobrychus minutus 108 50 breeding pairs 47 unfavourable
Nycticorax nycticorax Black-crowned Night-heron 156 49 breeding pairs 32 very unfavourable
Ardeola ralloides Squacco Heron 208 434 breeding pairs 100 favourable
Bubulcus ibis Cattle Egret 3540 1083 adults 31 very unfavourable
Bubulcus ibis Cattle Egret 2312 872 individuals 38 very unfavourable
Ardea purpurea Purple Heron 51 76 breeding pairs 100 favourable
Egretta garzetta 5448 5244 individuals 97 favourable
Egretta garzetta 2215 909 adults 42 unfavourable
Phalacrocorax carbo Great Cormorant 4280 772 individuals 19 very unfavourable
Himantopus himantopus 695 548 breeding pairs 79 near favourable
Charadrius alexandrinus 74 39 individuals 53 unfavourable
Limosa limosa Black-tailed Godwit 168 273 individuals 100 favourable
Calidris alpina Dunlin 470 223 individuals 48 unfavourable
Glareola pratincola Collared Pratincole 131 45 breeding pairs 35 very unfavourable
Larus genei Slender-billed Gull 224 14 breeding pairs 7 very unfavourable
Larus ridibundus Black-headed Gull 1081 936 adults 87 near favourable
Larus ridibundus Black-headed Gull 43877 27827 individuals 64 unfavourable
Larus audouinii Audouin's Gull 275 0 adults 0 very unfavourable
Larus audouinii Audouin's Gull 24 4 individuals 17 very unfavourable
Sternula albifrons Little Tern 223 56 breeding pairs 26 very unfavourable
Sterna hirundo Common Tern 2292 403 breeding pairs 18 very unfavourable
Sterna nilotica 1031 469 breeding pairs 46 unfavourable
Thalasseus sandvicensis Sandwich Tern 2583 857 adults 34 very unfavourable
Thalasseus sandvicensis Sandwich Tern 279 54 individuals 20 very unfavourable
Circus aeruginosus Western Marsh-harrier 161 140 individuals 87 near favourable

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Whole area of site (>90%) covered by appropriate conservation designation A management plan exists but it is out of date or not comprehensive The conservation measures needed for the site are being comprehensively and effectively implemented high
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Parque Natural de l`Albufera Zonas Húmedas 21,008 protected area overlaps with site 0
l'Albufera (ZEPA) Special Protection Area (Birds Directive) 29,286 protected area overlaps with site 21,120
L'Albufera Site of Community Importance (Habitats Directive) 27,538 protected area overlaps with site 0
L`Albufera Parque Natural 21,039 protected area overlaps with site 0
Albufera de Valencia Ramsar Site, Wetland of International Importance 21,000 protected area overlaps with site 21,000
Albufera de Valencia Nature Park 21,000 protected area contained by site 21,120

Habitats

IUCN Habitat Habitat detail Extent (% of site)
Forest -
Wetlands (inland) Water fringe vegetation -
Artificial/Terrestrial Arable land -
Coastline Sand dunes & beaches, Lagoons -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
hunting -
nature conservation and research -
fisheries/aquaculture -
For further information about the land use classification please click here.


Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Albufera de Valencia marshes. Downloaded from http://www.birdlife.org on 21/01/2022.