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Wetland Indicator: For North Central Region (3)

The wetland indicator represents the estimated probability (likelihood) of a species occurring in wetlands versus non-wetlands in the region. The probability percentages applied to each indicator category were provided to enhance an understanding of this methodology. The regional indicator assignments are not based on the results of a statistical analysis of the occurrence of these species in wetlands. The indicator assignments are the best approximation of wetland affinity for these species based upon a synthesis of submitted review comments, published botanical manuals and literature, and field experience. If a Regional Panel was not able to reach a unanimous decision on a species, NA (no agreement) was recorded. An NI (no indicator) was recorded for those species for which insufficient information was available to determine an indicator status or that were not considered by the Regional Panel. An asterisk (*) following a regional indicator identifies tentative assignments based on limited information or conflicting review. A positive (+) or negative (-) sign was used with the Facultative indicator categories to more specifically define the regional frequency of occurrence in wetlands. The positive sign indicates a frequency toward the higher end of the category (more frequently found in wetlands). A negative sign indicates a frequency toward the lower end of the category (less frequently found in wetlands).

Obligate Wetland (OBL). Occur almost always (estimated probability >99%) under natural conditions in wetlands.

Facultative Wetland (FACW). Usually occur in wetlands (estimated probability 67%-99%), but occasionally found in non-wetlands.

Facultative (FAC). Equally likely to occur in wetlands or non-wetlands (estimated probability 34%-66%).

Facultative Upland (FACU). Usually occur in non-wetlands (estimated probability 67%-99%), but occasionally found in wetlands (estimated probability 1%-33%).

Obligate Upland (UPL). Occur in wetlands in another region, but occur almost always (estimated probability >99%) under natural conditions in non-wetlands in the region specified.

 

 


         
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