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Location France, Pays de la Loire
Central coordinates 1o 30.00' West  47o 18.00' North
IBA criteria B1i, C3
Area 2,700 ha
Altitude 5 - 10m
Year of IBA assessment 2000

Ligue Pour La Protection des Oiseaux



Site description The site includes marshes, reedbeds (Phragmites) and aquatic vegetation.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Northern Pintail Anas acuta passage  1991  500-4,000 individuals  B1i, C3  Least Concern 
Northern Shoveler Spatula clypeata winter  1991  500-2,500 individuals  B1i, C3  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Acquisitions par la LPO-Loire-Atlantique Private Reserve 150 protected area contained by site 150  
FR030 Hunting Reserve 69 protected area contained by site 69  
LPO-BirdLife parcels - FR030 Private Reserve 150 protected area contained by site 150  
Marais de l'Erdre - FR5200624 Habitats Directive 2,565 protected area overlaps with site 1,992  
Marais de l'Erdre - FR5212004 Birds Directive 2,751 protected area overlaps with site 2,055  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland) Water fringe vegetation  100%

Land use

Land-use Extent (% of site)
agriculture -
fisheries/aquaculture -
hunting -
tourism/recreation -
urban/industrial/transport -

Protection status National Low International None69 ha of IBA covered by 3 Hunting Reserves (total area 69 ha). 150 ha Private Reserve (LPO-BirdLife, 150 ha).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Marais de Mazerolles-Petit Mars. Downloaded from http://www.birdlife.org on 21/08/2014

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