Arctic reindeer population decimated The population of wild reindeer, also known as caribou, has crashed by more than half in the last two decades, according to a new report REINDEER/CARIBOU (20 monitored herds shown) CANADA RUSSIA Arctic Ocean Arctic Circle 1,000km 600 miles 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ------------------------------- ENVIRONMENT Changing weather and vegetation making Arctic less hospitable, with some herds down by more than 90% Warming climate causing taller plants to dominate tundra and engulf ground level lichen that caribou eat Rain falling on snowy ground can form frozen icy layers over grazing tundra – caribou cannot push noses through -------------------------------- ESTIMATED POPULATION BY HERD* (100,000s) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 0 1 2 3 5 6 7 8 9 10 Current Maximum *Data not available on monitored herds in Norway and Iceland Population down by 56% – from 4.7 million to around 2.1m animals – in 20 years ---------------------------------- Sources: NOAA Arctic Program, BBC Picture: Associated Press © GRAPHIC NEWS