Ocean / Sea | 19 | |
Land | 13 | |
Weather | 11 | |
Surface Waters / Wetlands | 8 | |
Marine Mammals | 3 | |
Air | 2 | |
Atmosphere | 2 | |
Groundwater | 2 | |
Land Mammals | 2 | |
Plants / Kelp | 2 | |
Invertebrates | 1 |
25 | 16 |
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4 | 2 | 3 | 4 | 6 | 4 | 7 | 2 | 2 | 1 | 2 | 4 |
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SUMMER | 7 | |
SPRING | 4 | |
FALL | 2 | |
WINTER | 1 |
United States | 16 | |
Canada | 2 | |
Russia | 1 | |
Svalbard and Jan Mayen | 1 |