Ecological toll of Japan's switch to farming revealed by 1850s maps

Ishikari Lowland in Japan was converted to farmland beginning 150 years ago, and an analysis suggests it has experienced a 70 per cent drop in bird numbers since then

Ecological toll of Japan's switch to farming revealed by 1850s maps
Ishikari Lowland in Japan was converted to farmland beginning 150 years ago, and an analysis suggests it has experienced a 70 per cent drop in bird numbers since then