Surface Waters / Wetlands | 6 | |
Ocean / Sea | 5 | |
Land | 3 | |
Groundwater | 1 | |
Invertebrates | 1 | |
Microbes | 1 | |
Weather | 1 |
1 | 3 | 3 | 1 | 2 |
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2 | 1 | 3 | 3 | 1 |
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SPRING | 3 | |
FALL | 2 | |
SUMMER | 1 | |
WINTER | 1 |
United States | 7 | |
Canada | 2 |