CWD Wetland Identification & Classification 2

Question 1

Which Cowardin system class describes wetlands where the substrate is dominated by rock, gravel, or sand with sparse vegetation?

Accepted Answer

Rocky Shore

Answer

Rocky Shore is the Cowardin class characterized by hard substrate exposed at low water with little or no soil development.

Question 2

A wetland with seasonal flooding that dries completely in late summer would best be classified under which hydrologic regime modifier in the Cowardin system?

Accepted Answer

Seasonally flooded

Answer

Seasonally flooded describes wetlands that are flooded for extended periods during the growing season but may be dry for much of the year.

Question 3

Under the HGM (Hydrogeomorphic) classification, which wetland type receives water primarily from precipitation and exports it via evapotranspiration?

Accepted Answer

Depressional

Answer

Depressional wetlands are bowl-shaped features where water inputs are dominated by precipitation and surface runoff, and water loss is primarily through ET and slow seepage.

Question 4

Which NWI mapping unit code represents a palustrine emergent wetland that is seasonally flooded and not impounded?

Accepted Answer

PEM1C

Answer

PEM1C = Palustrine (P), Emergent (EM), persistent (1), Seasonally flooded (C).

Question 5

A jurisdictional wetland determination under the Corps of Engineers 1987 Manual requires evidence of which three parameters?

Accepted Answer

Hydrophytic vegetation, hydric soils, and wetland hydrology

Answer

The 1987 Manual and its regional supplements require positive indicators for hydrophytic vegetation, hydric soils, and wetland hydrology.

(CWD) Certified Wetland Delineator Practice Test

(CWD) Certified Wetland Delineator Practice Test

CWD Wetland Identification & Classification 2