Sites which have high values for both Protection and Development Criteria shall be examined on a case by case basis to determine what portions most warrant a protection designation and what portions most warrant development designation. Presence of rare plants. This criterion is not met if only small occurrences of a species are found on a site with limited suitable habitat that is isolated from other undeveloped parcels. Site is primarily within the 100 year floodplain. Site is near a perennial waterway within 100 feet of Amazon Creek or the A-3 Channel .
Site is connected geographically or hydrologically connected to other wetlands or waterways.
Site contains a high diversity of wildlife habitat or contributes to the diversity of wildlife habitat within the region. Site has unique characteristics which make it of special importance to the functioning of the larger wetland system in West Eugene, and protection of site would further the goals and objectives of this plan. Presence of unique Willamette Prairie Grassland plant community . Site contains indigenous wet prairie habitat. This criterion is intended to apply to areas of wet prairie habitat that are large or of moderate to high quality.