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Location Chile, Región del Bío - Bío
Central coordinates 73o 3.72' West  36o 44.70' South
IBA criteria A1, A4i, A4iii
Area 1,500 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  2010  18,000 individuals  good  A4i  Least Concern 
Elegant Tern Thalasseus elegans non-breeding  2009-2010  1,800-2,000 individuals  good  A1, A4i  Near Threatened 
A4iii Species group - waterbirds non-breeding  2010  20,000-49,999 individuals  unknown  A4iii   

IBA Monitoring

2014 high unfavourable low
Habitat
Medium - based upon reliable but incomplete / partially representative data

Residential and commercial development commercial and industrial development happening now some of area/population (10-49%) very rapid to severe deterioration high
Residential and commercial development housing and urban areas happening now some of area/population (10-49%) moderate to rapid deterioration high
Transportation and service corridors roads and railroads past (and unlikely to return) and no longer limiting small area/few individuals (<10%) moderate to rapid deterioration low

Wetlands (inland)   3000 2500 84 moderate (70-90%) unfavourable

Little/none of site covered (<10%)  No management plan exists but the management planning process has begun  Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity  low 

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Humedal-Marisma Rocuant Andalién. Downloaded from http://www.birdlife.org on 17/12/2014

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