Land | 9 | |
Air | 1 | |
Land Mammals | 1 | |
Microbes | 1 | |
Plants / Kelp | 1 | |
Surface Waters / Wetlands | 1 | |
Weather | 1 |
Ice / Snow Change | 3 | |
Extreme Precipitation | 2 | |
Permafrost Change | 2 | |
Landslide / Avalanche | 1 | |
Pollution | 1 | |
Seasonal Timing | 1 | |
Fire | 1 |
3 | 3 | 1 | 2 |
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2 | 2 | 1 | 2 | 1 | 1 |
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SPRING | 4 | |
SUMMER | 3 | |
FALL | 1 | |
WINTER | 1 |
United States | 6 | |
Norway | 1 |