Surface Waters / Wetlands | 4 | |
Land | 3 | |
Ocean / Sea | 2 | |
Weather | 2 | |
Arachnids | 1 | |
Atmosphere | 1 | |
Birds | 1 | |
Fish | 1 | |
Fungi | 1 | |
Insects | 1 | |
Plants / Kelp | 1 | |
Marine Mammals | 1 |
Ice / Snow Change | 10 | |
Extreme Temperature | 3 | |
Flooding / Draining | 2 | |
Seasonal Timing | 2 | |
Erosion | 1 | |
Extreme Precipitation | 1 | |
Glacier Change | 1 | |
Permafrost Change | 1 | |
Pollution | 1 | |
Rain on Snow | 1 |
1 | 5 | 3 | 1 |
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SPRING | 5 | |
FALL | 1 | |
SUMMER | 1 |
United States | 6 | |
Russia | 2 |