Appendix A

Ecosystems Ranking Summary

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| STRESSORS                                                | Lakes &     | Rivers &   | Riparian  | Aquatic  | Forests  | Cool        |         | Warm        | Grasslands  | Terrestrial  | Agriculture  |
|                                                          |             |            |           |          |          | Scrublands  |         |             |             |              |              |
|                                                          | Reservoirs  | Streams    |           | Summary  |          |             |         | Scrublands  |             | Summary      |              |
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|                                                          |             |            |           |          |          | Pinyon-     | Great   |             |             |              |              |
|                                                          |             |            |           |          |          |             |         |             |             |              |              |
|                                                          |             |            |           |          |          | Juniper     | Basin   |             |             |              |              |
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| Accidental Releases                                      | L           | M          | L         | L        | L        | L           | L       | L           | L           | L            | L            |
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| Indoor Air Pollution                                     |             |            |           |          |          |             |         |             |             |              |              |
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| Outdoor Air Pollution                                    | L           | L          | L         | L        | M        | L           | L       | L           | L           | L            | L            |
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| Degradation of Built/Cultural                            |             |            |           |          |          |             |         |             |             |              |              |
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| Ecosystem Physical                                       |             |            |           |          |          |             |         |             |             |              |              |
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|     a. Grazing                                           | H           | M          | H         | H        | M        | H           | H       | H           | H           | H            | -            |
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|     b. Agriculture                                       | H           | H          | M         | H        | L        | -           | -       | L           | L           | L            | -            |
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|     c. Highways/Roads                                    | L           | M          | L         | L        | M        | L           | L       | L           | L           | L            | L            |
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|     d. Energy Production                                 | M           | M          | H         | M        | L        | L           | L       | L           | -           | L            | -            |
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|     e. Fire Suppression                                  | L           | -          | -         | L        | H        | L           | L       | -           | H           | M            | -            |
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|     f. Mining-extraction                                 | L           | H          | M         | M        | L        | L           | L       | M           | -           | L            | -            |
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|     g. Timber Management                                 | M           | M          | M         | M        | H        | L           | L       | L           | -           | L            | -            |
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|     h. Interbasin Water Transfers                        | L           | M          | L         | L        | -        | L           | -       | L           | -           | L            | L            |
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|     i. Channelization                                    | L           | M          | H         | M        | -        | -           | -       | L           | -           | L            | -            |
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|     j. Water Diversion                                   | L           | H          | H         | H        | -        | -           | -       | L           | -           | L            | -            |
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|     k. Pumping                                           | L           | H          | H         | H        | -        | -           | -       | -           | L           | L            | H            |
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|     l. Impoundments/ Dams                                | -           | H          | M         | H        | L        | -           | -       | -           | -           | L            | L            |
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|     m. Recreation                                        | L           | L          | L         | L        | M        | M           | L       | M           | -           | M            | -            |
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|     n. Urbanization                                      | L           | M          | M         | M        | L        | L           | L       | M           | L           | L            | H            |
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| Ecosystem Biological Alteration                          |             |            |           |          |          |             |         |             |             |              |              |
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|     a. Hunting                                           | -           | -          | -         | L        | M        | L           | L       | L           | L           | L            | -            |
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|     b. Fishing                                           | L           | L          | -         | L        | -        | -           | -       | -           | -           | -            | -            |
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|     c. Illegal Collecting                                | -           | -          | -         | n/a      | -        | -           | -       | M           | -           | L            | -            |
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|     d. Species Introduction and Control                  | H           | H          | H         | H        | H        | M           | M       | H           | M           | H            | M            |
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| Food/Drinking Water Contamination                        |             |            |           |          |          |             |         |             |             |              |              |
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| Global Climate Change                                    |             |            |           |          |          |             |         |             |             |              |              |
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| Stratospheric Ozone Depletion                            |             |            |           |          |          |             |         |             |             |              |              |
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| Land/Soil Contamination                                  |             |            |           |          |          |             |         |             |             |              | M            |
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| Natural Hazards                                          |             |            |           |          |          |             |         |             |             |              |              |
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|     a. Floods                                            | L           | L          | L         | L        | -        | -           | -       | -           | -           | n/a          | L            |
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|     b. Fire                                              | L           | L          | L         | L        | M        | L           | L       | L           | L           | L            | -            |
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| Radiation                                                |             |            |           |          |          |             |         |             |             |              |              |
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| Surface Water Contamination                              |             |            |           |          |          |             |         |             |             |              |              |
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|     a. Non-Point Source                                  | H           | M          | M         | M        | -        | -           | -       | -           | -           | n/a          | -            |
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|     b. Point Source                                      | L           | M          | L         | L        | -        | -           | -       | -           | -           | n/a          | -            |
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| Ground Water Contamination                               | L           | M          | -         | M        | -        | -           | -       | -           | -           | n/a          | -            |
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| Work Place and Consumer Exposure to Hazardous Materials  |             |            |           |          |          |             |         |             |             |              |              |
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| Impediments                                              |             |            |           |          |          |             |         |             |             |              |              |
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|     a. Lack of Environmental Education and Awareness     |             |            |           |          |          |             |         |             |             |              |              |
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|     b. Equity Issues                                     |             |            |           |          |          |             |         |             |             |              |              |
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|     c. Transboundary Issues                              |             |            |           |          |          |             |         |             |             |              |              |
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| L = Low   M = Medium   H = High                          |             |            |           |          |          |             |         |             |             |              |              |
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