To qualify as a biodiversity hotspot on Myers 2000 edition of the hotspot-map, a region must meet two strict criteria: it must contain at least 0.5% or 1,500 species of vascular plants as endemics, ...
As many as 44% of all species of vascular plants and 35% of all species in four vertebrate groups are confined to 25 hotspots comprising ... can reveal insights into biodiversity and utility ...
The initiative to map and preserve the Earth's underground ... yet current plans to conserve biodiversity hotspots above ground fail to protect over 50% of biodiversity below ground.