Home Our Union Member Organisations Members Directory Koninklijke Nederlandse Nat... Share: IUCN MEMBER Koninklijke Nederlandse Natuurhistorische Vereniging Member website Member at a glance Member name: Koninklijke Nederlandse Natuurhistorische Vereniging Acronym: KNNV Membership category: National NGO Member since: Jan, 1954 Website: Member website Member profile and contacts (available to Members only): Member profile Operational region: Europe Statutory region: West Europe Learn more about IUCN Members Overview See all Members Become an IUCN Member