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Oregon Digital
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the Gorge in 1924, has documented evidence of human occupation on the east end of the Scenic Area as early as 10,000 years ago.
Archaeological, ethnographic and historic records substantiate The Dalles area as a major trade center for native...
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Inventories
for the enhancement of the . . . cultural . . . resources of the Columbia River Gorge . . ." (Sec. 3(1)).
Cultural resources include both prehistoric (before recorded history) and historic (generally older than 50 years)...
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other areas of archaeological or religious significance shall not be made public information and such information shall be used for administrative purposes only" (Sec. 6(a)(1)(A)).
Almost all archaeological investigations in the Gorge to date...
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a three-part predictive strategy has been designed for the Scenic Area, one that delineates areas as being of high, moderate, or low probability for the presence of cultural resources. This approach is designed both on the known probability of...
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Inventories and Analysis
Oregon and Washington climate, has created a remarkable diversity of habitat for vegetation and wildlife.
Over 200 rare plant sites were mapped by the Oregon and Washington Natural Heritage Programs. Additional...
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Threatened,
Endangered,
and Sensitive
Species
Major
Vegetation
Classes
Oregon Natural Heritage Program, The Nature Conservancy
Washington Department of Wildlife
Washington Department of Fisheries
Washington Department of...
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Table 2:3. Mapped Inventories Used in Analysis of Natural Resources
Type of Inventory
Performed by
Source(s) of Information
Each Area on the map is one of the following categories
Threatened, Endangered, and Sensitive Animals, Fish and...
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Significant
Botanical and
Ecological
Natural Areas
white oak, and grasslands. The eastside vegetation has fourteen classes ranging from bigleaf maples, to ponderosa pine, to bitterbrush shrublands, and dunes. In addition to the vegetation...
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Wetland Inventory
Plateau and the ridge of the Columbia Hills. There were no entire drainages in natural or undisturbed condition.
Usually, at least one area in fair condition was found to represent the expected community types. However,...
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Significant Wildlife Habitats
Existing Regulation
crucially important. The Columbia River is classified as a riverine wetland below Bonneville Dam, and a lacustrine wetland above the dam.
Wildlife and fish habitats were examined by...
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Service protects special habitats. On non-federal lands, the protection lies within the jurisdiction of the states and counties. In coniferous forested areas the state forest practice acts give minimal protection to these resources. Outside these...
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Inventories
Analysis
"(6) designate areas used or suitable for residential development . . ."
This land use analysis requires various inventories to determine the lands which are "used" or "suitable" for agricultural, forest, or...
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Table 2:4. Mapped Inventories Used in Land Use Analysis
Type of Inventory
Existing Land Uses
Ownership
Vegetation Classes
Soil Type & Capability
Suitability of Federal Land for Timber Production
Roads, Rivers, Lakes
Slope Aspect...
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suitability of land for agricultural use, two main categories were considered: crop lands and range lands.
Crop lands include with field crops, orchards, or vineyards. The analysis of these lands began with lands "used" as cropland....
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• Class VII: very severe limitations; unsuited to cultivation; use restricted largely to grazing, woodland, or wildlife.
• Class VIII: limitations that preclude use for commercial plant production; use restricted to recreation, wildlife,...
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Existing Regulation
Table 2:5 Range Suitability
LAND CHARACTERISTICS Grassland/woodland, >50% grass cover Grassland/woodland, >50% grass cover Grassland/woodland, <50% grass cover
Biscuit scablands (grass covered with areas areas of deep and...
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Columbia River Gorge
National Scenic Area
AGRICULTURE AND RANGE
SUITABILITY
Map legend: EXISTING AGRICULTURE HIGH RANGE SUITABILITY MODERATE RANGE SUITABILITY LOW RANGE SUITABILITY NO RANGE SUITABILITY SUITABILITY BOUNDARIES... |
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climax composition. Those species surviving in the drier area were more fire resistant.
As settlers came to the Gorge, they aggressively logged the Douglas-fir trees on the easily accessible lands. Some farmed the newly cleared land. Others...
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Inventories
Analysis
natural, and recreation resources are all somewhat at risk from harvesting as it has been traditionally practiced.
All the inventories described in Table 2.4 were used to determine which lands were "used or suitable" for...
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analysis by the county planners and the Mid-Columbia Small Woodlands Association.
Lands which were "suitable" for forest use were determined by analyzing a variety of information. Physical conditions such as soil types, slope, aspect, and...
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Existing Regulation
between 50 and 85 percent of their area in commercial species. There may be regeneration difficulties due to shallow soils, brush competition, low precipitation, or south aspect.
Low SUITABILITY (woodlands): These lands...
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Columbia River Gorge
National Scenic Area
FOREST SUITABILITY
Map legend: HIGH FOREST SUITABILITY MODERATE FOREST SUITABILITY LOW FOREST SUITABILITY NO FOREST SUITABILITY FOREST SUITABILITY BOUNDARIES SMA/GMA BOUNDARIES COUNTY... |
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Inventory and Analysis
The shortcoming of this pattern of regulation was that uneven, and often inadequate, consideration was given to the effects of timber management upon other resources. Scenic qualities in particular received little...
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Beacon Rock Trailer Park
Bridal Veil
Rowena Dell
Latourell Falls
There are two fully developed trailer parks located adjacent to the SMA/GMA boundary near Beacon Rock State Park, with a mixture of long-term residential units and short-term...
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Inventory
be encouraged. This would apply to the Beacon Rock trailer parks and to the area adjacent to the Bridal Veil mill site.
Where residential development patterns are well established in discrete locations, other uses are not...
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