Interpretation2.
(1)
In these Regulations—
“biota taxon” means a particular aquatic taxon within the taxonomic rank “sub-phylum”, “class” or their equivalent;
“cyprinid waters” means a type of lake or river which, in the Department’s judgement, would support a sustainable fish population dominated by cyprinid species;
“matrix” means a compartment of the aquatic environment, namely water, sediment or biota;
“mixing zone” means an area designated in accordance with Article 4 of the Directive;
“river basin district” has the same meaning as in the 2003 Regulations and, for the purposes of these regulations, shall include “international river basin district” as also defined in the 2003 Regulations;
“river basin management plan” means a plan prepared in accordance with regulation 12 of the 2003 Regulations;
“salmonid waters” means a type of lake or river which, in the Department’s judgement, would support a sustainable fish population dominated by salmonid species;
“shellfish waters” means any shellfish water classified under the 2003 Regulations;
“the Department” means the Department of the Environment;
(2)
Any word or expression used in these Regulations and the Directive, the Water Framework Directive, Directive 2009/90/EC, or the 2003 Regulations and not otherwise defined in these Regulations shall have the same meaning for the purposes of these Regulations as it has for the purposes of the applicable Directive or Regulations.