31As a preliminary point, it must be recalled that Article 6 of the Habitats Directive imposes upon the Member States a series of specific obligations and procedures designed, as is clear from Article 2(2) of that directive, to maintain, or as the case may be restore, at a favourable conservation status natural habitats and, in particular, special areas of conservation (see, to that effect, judgment of 11 April 2013 in Sweetman and Others, C‑258/11, EU:C:2013:220, paragraph 36 and the case-law cited).