Alpha diversity (α-diversity) is the biodiversity within a particular area, community or ecosystem, and is measured by counting the number of taxa (distinct groups of organisms) within the ecosystem (eg. families, genera, species).
Alpha diversity (α-diversity) is the biodiversity within a particular area, community or ecosystem, and is usually expressed as the Species richness of the area. This can be measured by counting the number of taxa (distinct groups of organisms) within the ecosystem (eg. families, genera, species).