Limmen Bight

IBA Criteria

Year of most recent IBA criteria assessment: 2009

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Chestnut Rail Eulabeornis castaneoventris LC resident - frequent A2
Himantopus leucocephalus NR resident 1990-2006 14,000 individuals A4i
Great Knot Calidris tenuirostris EN non-breeding 1983 21,400 individuals A4i
Grey-tailed Tattler Tringa brevipes NT non-breeding 1990-2002 500 individuals A4i

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)
2018 medium not assessed negligible
Was the whole site covered? No State assessed by unset
Accuracy of information medium

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Agricultural expansion and intensification marine and freshwater aquaculture - industrial aquaculture likely in long term (beyond 4 years) some of area/population (10-49%) no or imperceptible deterioration low
Climate change and severe weather storms and floods likely in long term (beyond 4 years) some of area/population (10-49%) slow but significant deterioration medium
Invasive and other problematic species and genes invasive non-native/alien species/diseases - named species happening now some of area/population (10-49%) slow but significant deterioration medium

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Little/none of site covered (<10%) Unknown Very little or no conservation action taking place negligible
For more information about IBA monitoring please click here

IBA Protection

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Limmen National Park 932,700 protected area overlaps with site 28,900


IUCN Habitat Habitat detail Extent (% of site)
Shrubland Chenopod shrubs, samphire shrubs and forblands -
Coastline Mangrove wetlands, Intertidal mud, sand & salt flats -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
other -
For further information about the land use classification please click here.

Land ownership
Arnhemland and Marra ALT; may also include some of Saint Vidgeon, Nathan River and Lorella pastoral leases.

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Limmen Bight. Downloaded from on 02/04/2020.