Bouchout Declaration Introduction to the Bouchout Declaration for Open Biodiversity Knowledge Management. The declaration has been initiated by the Pro-iBiosphere consortium and the official launch will be on June 12, 2014 at the Bouchout castle at the Plantentuin Meise, Meise, Belgium. This presentation has been given at the Swiss "Konservatorentagung 2014, Frauenfeld", May 23.2014