Also known as "rainforest of the sea".

A type of wetland characterized by deep accumulation of incompletely decomposed organic matter.

Ditches are typically used for drainage alongside a road or the edge of a field.

They are small shallow lakes, may be artificially-made or naturally existing.

Tundra are plains dominated with small plants and some growing trees.

These are riparian systems that interact with streams.

Peatlands are also called mires.

Wetlands may be naturally occurring or constructed by man.

What is the model used in constructing a wetland?