NL054
Groote Wielen


IBA Criteria

Year of most recent IBA criteria assessment: 2000

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Barnacle Goose Branta leucopsis LC winter 1980-1990 4,000 individuals A4i, B1i, B2, C2
Greater White-fronted Goose Anser albifrons LC winter 1979-1989 40,000 individuals A4i, B1i, C3
Northern Shoveler Spatula clypeata LC non-breeding 1979-1989 1,000 individuals B1i, C3
Eurasian Wigeon Mareca penelope LC winter 1980-1990 20,000 individuals A4i, B1i, C3
Ruff Calidris pugnax LC non-breeding 1979-1989 4,000 individuals C6
A4iii Species group - waterbirds n/a winter 1990 50,000-99,999 individuals A4iii, C4

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here


IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2018 low not assessed medium
Was the whole site covered? Yes State assessed by unset
Accuracy of information medium

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Transportation and service corridors flight paths happening now majority/most of area/population (50-90%) no or imperceptible deterioration low

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Whole area of site (>90%) covered by appropriate conservation designation A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species Some limited conservation initiatives are in place medium
For more information about IBA monitoring please click here

IBA Protection

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Ryptsjerkster- en Binnemiedepolder Nature Reserve 462 protected area contained by site 462
Groote Wielen Special Protection Area (Birds Directive) 5,499 protected area contains site 600

Habitats

IUCN Habitat Habitat detail Extent (% of site)
Wetlands (inland) Standing freshwater, Water fringe vegetation -
Artificial/Terrestrial Highly improved re-seeded landscapes -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
other -
fisheries/aquaculture -
water management -
hunting -
nature conservation and research -
tourism/recreation -
For further information about the land use classification please click here.


Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Groote Wielen. Downloaded from http://www.birdlife.org on 03/04/2020.