Pasture per Capita

Pasture occupied roughly less than 1% of the global ice-free land area for a long time period until 1000 A.D.. In the centuries that followed the share of global pasture area...直至公元1000年之前的漫长时期内，牧草地（Pasture）在全球无冰陆地面积中的占比始终约低于1%。在此后的数个世纪中，全球牧草地面积的占比...