Biological diversity definition

From IUCN Marine Biodiversity Matrix
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Suggestion 1:[edit | edit source]

The variability among living organisms from all sources including, inter alia, terrestrial, marine and other aquatic ecosystems and the ecological complexes of which they are part: this includes diversity within species, between species and of ecosystems.

References: Article 2 of the Convention on Biological Diversity

Suggestion 2:[edit | edit source]

The variety of life at every hierarchical level and spatial scale of biological organisations: genes within populations, populations within species, species within communities, communities within landscapes, landscapes within biomes, and biomes within the biosphere.

References: Wilson E.O. (ed) (1988) Biodiversity. National Academy Press, Washington D.C., USA