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Tag archives for Biodiversity and Conservation

What it Means to be a Threatened Species

Most people know what it means to be a threatened species—it’s something that’s rare and may become extinct. What isn’t often explained is how we know something is threatened and who decides whether a species is threatened or not. Read almost any article about species in peril and there will be some reference to the…

Lion Numbers Plunge as African Wilderness Succumbs to Human Pressure

The king of the African savannah is in serious trouble because people are taking over the continent’s last patches of wilderness on unprecedented scale, according to a detailed study released this week. The most comprehensive assessment of lion (Panthera leo) numbers to date determined that Africa’s once-thriving savannahs are undergoing massive land-use conversion and burgeoning human population growth. The decline has had a significant impact on the lions that make their home in these savannahs; their numbers have dropped to as low as 32,000, down from hundreds of thousands estimated just 50 years ago.