JP119
Osaka Nanko


IBA Justification

The site was identified as internationally important for bird conservation in 2004 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 Ringed Plover Charadrius dubius LC breeding (2003) present A4i
Kentish Plover Charadrius alexandrinus LC breeding (2003) present A4i

IBA Conservation

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2004. The most recent assessment (2015) is shown below.

IBA conservation assessment
Year of assessment State Pressure Response
2015 poor medium very low
Whole site assessed? State assessed by Accuracy of information
no habitat -

State (condition of the trigger species' habitats)
Habitat Quantity (% remaining) Quality (% carrying capacity) Result
Marine Coastal/Supratidal good (>90%) poor (40–69%) poor

Pressure (threats to the trigger species and/or their habitats)
Threat Timing Scope Severity Result
Energy production and mining happe­ning now some of popul­ation/area (10–49%) slow decline (1–10% over 3 gener­ations) medium

Response (conservation actions taken for the trigger species and/or their habitats)
Designation Planning Action Result
Little/none of area covered (<10%) No management planning has taken place Some limited conservation initiatives are in place very low

Habitats

Habitat % of IBA Habitat detail
Marine Coastal/Supratidal major (>10)
Marine Intertidal major (>10)


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Osaka Nanko (Japan). Downloaded from https://datazone.birdlife.org/site/factsheet/osaka-nanko-iba-japan on 27/12/2024.