52Moreover, it must be noted that, as a rule, any positive effects of a future creation of a new habitat, which is aimed at compensating for the loss of area and quality of that same habitat type on a protected site, are highly difficult to forecast with any degree of certainty and, in any event, will be visible only several years into the future (see, to that effect, judgment of 15 May 2014 in Briels and Others, C‑521/12, EU:C:2014:330, paragraph 32).