Riparian forest
A woodland or forest growing beside rivers and streams, shaped by flooding, moist soils, and close connections between land and water.
Floodplain: Low-lying land beside a river that is periodically covered by floodwater. Floodplains provide the shifting, nutrient-rich ground on which many riparian forests grow.
Ecotone: A transition zone between neighboring ecological communities. A riparian forest forms a shifting boundary between terrestrial and aquatic habitats.
Water quality: The chemical, physical, and biological condition of water in a particular place. Riparian trees and soils can trap sediment and absorb nutrients before they reach streams.
Gallery forest: A band of woodland or forest following a river through otherwise open or dry terrain. It is a conspicuous riparian form where surrounding landscapes cannot support continuous forest.
Swamp forest: A forested wetland where soils are frequently or persistently saturated or inundated. Some riparian forests are swamp forests, but many occupy seasonally flooded, well-drained floodplains.
River hydrology: The movement, distribution, and properties of water in rivers and their drainage basins. Flow regimes determine how often forests flood and how much water remains available between floods.
Riparian zone: The interface between land and a river or stream, influenced by aquatic processes. The forest is the wooded portion of this broader land–water transition.
Stream temperature: The temperature of water flowing in a stream, shaped by weather, groundwater, and shade. Canopy shade from riverbank forests can limit solar heating of streams.
Bottomland hardwood forest: A floodplain forest dominated by broad-leaved hardwood trees, especially in the southeastern United States. Its flood-adapted tree communities illustrate how long inundation shapes forest composition.
Mangrove forest: A coastal forest of salt-tolerant trees and shrubs growing in intertidal tropical and subtropical zones. Mangroves are tidal coastal forests, unlike the freshwater riverbank forests considered here.