Study of Growth Rings in Tundra Shrubs Reveals Spread of Arctic `Browning’
Jan 1, 2021 / Yale e360
As Arctic sea ice steadily disappears and temperatures rise across the region, the tundra has generally been greening, with shrubs and small trees growing more robustly. But a new study of growth rings in Arctic shrubs reveals a countervailing trend — the withering of plants in some areas because summer conditions have grown too hot and dry.