In compliance with the principles laid down at the national level in Act No. 394 of 1991, the Liguria Region shall set up protected areas for the purposes of conservation and improvement of the natural and environmental heritage. The Liguria Region shall also promote the creation of interregional protected areas. When drafting the Nature Chart referred to in article 3 of Act No. 394, the Region shall provide for the assessment of the environmental conditions taking into particular account vulner