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Location Chile, Región de La Araucanía
Central coordinates 73o 25.59' West  38o 45.18' South
IBA criteria A1, A4i
Area 9,859 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
Peruvian Pelican Pelecanus thagus unknown  400 individuals  good  A1  Near Threatened 
South American Tern Sterna hirundinacea unknown  4,000 individuals  unknown  A4i  Least Concern 

IBA Monitoring

2015 medium very unfavourable negligible
Habitat
Medium - based upon reliable but incomplete / partially representative data

Agriculture and aquaculture annual & perennial non-timber crops - small-holder farming happening now some of area/population (10-49%) slow but significant deterioration medium
Agriculture and aquaculture livestock farming and ranching (includes forest grazing) - small-holder grazing, ranching or farming happening now some of area/population (10-49%) slow but significant deterioration medium
Residential and commercial development housing and urban areas happening now small area/few individuals (<10%) slow but significant deterioration low

Artificial - terrestrial   4500 5000 100 good (> 90%) favourable
Forest   500 400 80 very poor (< 40%) very unfavourable
Marine Coastal/Supratidal   1500 1700 100 good (> 90%) favourable
Marine Neritic (Nearshore Shelf)   4000 3500 88 moderate (70-90%) unfavourable

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

Habitats

IUCN habitat Habitat detail Extent (% of site)
Marine Coastal/Supratidal   -
Marine Neritic (Nearshore Shelf)   -
Artificial - terrestrial   -
Forest   -

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Desembocadura del Río Imperial. Downloaded from http://www.birdlife.org on 25/07/2016

To provide new information to update this factsheet or to correct any errors, please email BirdLife