NRANK
Encyclopedia
NRANK, or National Rank, is a ranking of the rarity of a species
within a nation. Each nation can assign their own NRANK, based on information from conservation data centres, natural heritage programmes and expert scientists.
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
within a nation. Each nation can assign their own NRANK, based on information from conservation data centres, natural heritage programmes and expert scientists.