Wormer- en Jisperveld & Kalverpolder

Country/territory: Netherlands

IBA Criteria met: A4iii, B1i, B2, B3, C3, C4, C6 (2016)
For more information about IBA criteria please click here

Area: 1,742 ha

Protection status:

Vogelbescherming Nederland
Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2018 high not assessed high
For more information about IBA monitoring please click here

Site description
A polder landscape including a shallow lake, ditches, wet meadows and marshland, situated to the north of the city of Zaandam. This site, together with sites 068, 071 and 072, formed part of a single, larger site (former site NL038) in the previous pan-European IBA inventory (Grimmett and Jones 1989).

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Wormer- en Jisperveld & Kalverpolder. Downloaded from on 11/07/2020.