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Location Chile, Región del Bío - Bío
Central coordinates 73o 8.02' West  36o 48.93' South
IBA criteria A4i
Area 270 ha
Altitude
Year of IBA assessment 2010

Comité Nacional Pro Defensa de la Flora y Fauna (Affiliate)



Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Franklin's Gull Larus pipixcan non-breeding  2008  10,000-19,999 individuals  unknown  A4i  Least Concern 

IBA Monitoring

2014 very high favourable negligible
Habitat
Medium - based upon reliable but incomplete / partially representative data

Pollution domestic & urban waste water - type unknown/unrecorded happening now whole area/population (>90%) moderate to rapid deterioration very high

Marine Coastal/Supratidal   2500 2500 100 good (> 90%) favourable

Little/none of site covered (<10%)  No management planning has taken place  Very little or no conservation action taking place  negligible 

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Desembocadura del Río Bío-Bío. Downloaded from http://www.birdlife.org on 28/12/2014

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