This site, developed by National Geographic and World Wildlife Fund, charts more than a thousand of our planet's diverse ecological regions with excellent interactive maps. (scientificamerican.com)
Other fun facts: The United States has a wider array of ecological regions, such as tundra and desert, than any other country, and the world's richest collections of freshwater mussels and salamanders. (sciencemag.org)
To understand where interior forest has been lost and therefore where risks from forest fragmentation might be greatest, the researchers used global tree cover data to map the forests of 2000 and 2012 and examined the patterns of change across ecological regions and biomes. (sciencedaily.com)