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Salient statistics about Botswana…

581,730 square kilometres (48th) 0.45% arable Population 2,155,784 (145) 32.9 under 14 years of age. Life expectancy 54 23% adults estimated to carry HIV 85% Literacy rate Source: CIA World Factbook, 2015 … [Read more...]

Human vs Livestock vs Wild mammal biomass on Earth

At some time in recent pre-history, there were fewer than 100,000 humans, hunter gatherers all, while  the rest of mammal diversity was wild. Then humans domesticated plants and animals, and together they came to dominate the landscape in a  very short time. A handy way to measure this is by estimating biomass. This is because small mammals are … [Read more...]

Lion JM068 “Sega”

Kesegafetse, which means the lucky one, is a male living in the north west quadrant of the study area, but not so far north that he ever had to leave the reserve.  A beautiful lion he and his close companion watched over a considerable territory, five females, and their cubs.   … [Read more...]