Ocean / Sea | 11 | |
Land | 6 | |
Weather | 3 | |
Invertebrates | 2 | |
Surface Waters / Wetlands | 2 | |
Birds | 1 | |
Fish | 1 |
Ice / Snow Change | 2 | |
Death / Die-off / Decline | 1 | |
Erosion | 1 | |
Unusual Range / Sighting | 1 | |
Seasonal Timing | 1 |
Buildings | 3 | |
Transportation | 2 | |
Cultural Impact | 1 | |
Energy | 1 | |
Sanitation | 1 |
2 | 1 | 3 | 3 | 2 |
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2 | 2 | 1 | 2 | 2 | 2 |
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WINTER | 6 | |
FALL | 2 | |
SUMMER | 2 | |
SPRING | 1 |