HRS Rule, Table 4-23, Page 51624
| Sensitive environment | Assigned value |
|---|---|
|
Critical habitat a for Federal designated endangered or threatened species Marine Sanctuary National Park Designated Federal Wilderness Area Areas identified under Coastal Zone Management Act b Sensitive areas identified under National Estuary Program c or Near Coastal Waters Program d Critical areas identified under the Clean Lakes Program e National Monument f National Seashore Recreational Area National Lakeshore Recreational Area |
100 |
|
Habitat known to be used by Federal designated or proposed endangered or threatened species National Preserve National or State Wildlife Refuge Unit of Coastal Barrier Resources System Coastal Barrier (undeveloped) Federal land designated for protection of natural ecosystems Administratively Proposed Federal Wilderness Area Spawning areas critical g for the maintenance of fish/shellfish species within river, lake, or coastal tidal waters Migratory pathways and feeding areas critical for maintenance of anadromous fish species within river reaches or areas in lakes or coastal tidal waters in which the fish spend extended periods of time Terrestrial areas utilized for breeding by large or dense aggregations of animals h National river reach designated as Recreational |
75 |
|
Habitat known to be used by State designated endangered or threatened species Habitat known to be used by species under review as to its Federal endangered or threatened status Coastal Barrier (partially developed) Federal designated Scenic or Wild River |
50 |
|
State land designated for wildlife or game management State designated Scenic or Wild River State designated Natural Areas Particular areas, relatively small in size, important to maintenance of unique biotic communities |
25 |
| State designated areas for protection or maintenance of aquatic life i | 5 |
- a Critical habitat as defined in 50 CFR 424.02.
- b Areas identified in State Coastal Zone Management plans as requiring protection because of ecological value.
- c National Estuary Program study areas (subareas within estuaries identified in Comprehensive Conservation and Management Plans as requiring protection because they support critical life stages of key estuarine species (Section 320 of Clean Water Act, as amended).
- d Near Costal Waters as defined in Sections 104(b)(3), 304(1), 319, and 320 of Clean Water Act, as amended.
- e Clean Lakes Program critical areas (subareas within lakes, or in some cases entire small lakes) identified by State Clean Lake Plans as critical habitat (Section 314 of Clean Water Act, as amended).
- f Use only for air migration pathway.
- g Limit to areas described as being used for intense or concentrated spawning by a given species.
- h For the air migration pathway, limit to terrestrial vertebrate species. For the surface water migration pathway, limit to terrestrial vertebrate species with aquatic or semiaquatic foraging habits.
- i Areas designated under Secton 305(a) of Clean Water Act, as amended.
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