Which wetland type is primarily dominated by trees?

The wetland type that is primarily dominated by trees is a swamp. Swamps are characterized by the presence of woody plants, particularly trees, which thrive in the wet, often waterlogged conditions typical of these environments. Unlike marshes, which are dominated by herbaceous plants (grasses, reeds, and sedges), swamps have a significant tree canopy and can support various species of trees such as cypress, mangroves, or willows, depending on the region.

Estuaries, while important wetlands too, are more transitional areas where freshwater mixes with saltwater from the ocean, and they often contain diverse habitats, including mudflats and salt marshes, but they are not primarily tree-dominated.

Hydrophytic vegetation refers to all types of plants that are adapted to growing in waterlogged soil conditions and does not specify any particular composition regarding trees or other plants. This term is broader and could include various wetland types including marshes and swamps, but does not directly answer the question about tree dominance.

Therefore, the identification of swamps as the wetland type dominated by trees highlights their unique ecological characteristics, making them distinctly different from other wetland types.