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Location Chile, Región del Maule
Central coordinates 72o 10.84' West  35o 1.60' South
IBA criteria A1, A4i
Area 1,200 ha
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
Chilean Flamingo Phoenicopterus chilensis unknown  2008  70 individuals  good  A1  Near Threatened 
Whimbrel Numenius phaeopus non-breeding  2008-2010  700-800 individuals  good  A4i  Least Concern 
Grey Gull Larus modestus unknown  2008  1,000-2,499 individuals  good  A4i  Least Concern 
Black Skimmer Rynchops niger unknown  2008-2010  2,000-4,000 individuals  good  A4i  Least Concern 

IBA Monitoring

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

Pollution industrial & military effluents - type unknown/unrecorded happening now whole area/population (>90%) moderate to rapid deterioration very high

Marine Neritic (Nearshore Shelf)   1200 1000 84 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 


IUCN habitat Habitat detail Extent (% of site)
Marine Neritic (Nearshore Shelf)   -

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Desembocadura Río Mataquito. Downloaded from on 26/10/2016

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