Land | 8 | |
Ocean / Sea | 2 | |
Plants / Kelp | 2 | |
Air | 1 | |
Invertebrates | 1 | |
Land Mammals | 1 | |
Surface Waters / Wetlands | 1 | |
Weather | 1 |
Human Health | 2 | |
Livestock | 2 | |
Pets | 1 | |
Sanitation | 1 | |
Transportation | 1 |
1 | 1 | 2 | 1 | 1 | 2 |
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SUMMER | 4 | |
FALL | 2 | |
SPRING | 1 | |
WINTER | 1 |
United States | 4 | |
Canada | 2 |