The legal regulations on National Ecological Areas Reserve (Reserva Ecológica Nacional (REN)) have suffered several changes since its creation. The latest one, has published by the Decreto-Lei n.º 239/2012, 2nd November, which changed the Decreto-Lei n.º 166/2008, 22nd August. The new rules look to protect areas that create a structure which have high ecological value and sensitive or are exposed to natural risks and need special protection.
National and regional guidelines were published in 2012 (Resolução do Conselho de Ministros n.º 81/2012, 3rd October, corrected by the Declaração de Retificação nº 71/2012, de 30th November.
The typology of REN areas is analysed based on the current legislation and based on several data which characterizes the geographical and other characteristics of the territory, more precisely in the Olhão territory.
The new rules allow the REN to be more precise and scientifically accurate, both on the concepts and on the detail of the work. Setting a better result and reducing imprecise delimitation, as it happened with the original REN.
National Ecological Areas Reserve, Rural planning and Risk Planning