Variable	Measurement	Era	Code	N	Source
Biodiversity potential	Composite index of relative biodiversity potential for each country based on the species represented in each country, their threat status, and the diversity of the habitat type in each country. The index is normalized. Values run from 0 (no biodiversity potential) to 100 (maximum biodiversity potential)	2005	BioDiversity_2005	128	World Development Indicators 2007, table 3.4

Related topics: Environmental quality
Related themes: Ecology

The dataset States of Nations is about characteristics of countries in periods (macro variables). It is part of the World Database of Happiness and is used to identify societal conditions for happiness.