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. 2019 Jun 20;191(Suppl 1):325. doi: 10.1007/s10661-019-7316-4

Table 1.

Matrix of the four NWCA Aggregated Ecoregions (left column) and the four NWCA Aggregated Wetland Types (top row) used to form the 10 NWCA Reporting Groups (body of the matrix) (adapted from USEPA (2016b)

NWCA Aggregated Ecoregions NWCA Aggregated Wetland Types
Palustrine, riverine, and lacustrine herbaceous (PRLH) Palustrine, riverine, and lacustrine woody (PRLW) Estuarine herbaceous (EH) Estuarine woody (EW)
Coastal Plains (CPL)

Coastal Plains herbaceous

(CPL-PRLH)

n = 72

Coastal Plains woody

(CPL-PRLW)

n = 189
Eastern Mountains and Upper Midwest (EMU)

Eastern Mountains and Upper Midwest herbaceous

(EMU-PRLH)

n = 73

Eastern Mountains and Upper Midwest woody

(EMU-PRLW)

n = 127
Interior Plains (IPL)

Interior Plains herbaceous

(IPL-PRLH)

n = 138

Interior Plains woody

(IPL-PRLW)

n = 52
West (W)

West herbaceous

(W-PRLH)

n = 67

West woody

(W-PRLW)

n = 75
National (ALL)

Estuarine herbaceous (ALL-EH)

n = 272

Estuarine woody(ALL-EW)

n = 73

Note estuarine reporting groups are formed nationally (ALL) and not by ecoregion due to sample size constraints