An estuary is formed at the mouth of the river and was filled with species that could live in varying levels of salinity.
A freshwater biome refers to a large community of plants and animals that are found in water bodies with very low salt concentrations (less than 1% salt). They include ponds, lakes, streams, rivers, and some wetlands.
- A bog is a freshwater wetland of soft, spongy ground consisting mainly of partially decayed plant material which is mostly mosses. The dead plant material is called peat.
- An estuary is a partially enclosed body of water found in coastlands where freshwater from rivers and streams meets the ocean. Species of organisms found in estuaries have special adaptive features that enables them live in water of varying levels of salinity.
- A lentic ecosystem refers to an ecosystem consisting of standing or still water bodies which include ditches, seeps, ponds, seasonal pools, basin marshes and lakes.
- A swamp refers to a forest or wetland that is permanently covered by water. They serve as transitions from land environment to water bodies. The water of a swamp may be fresh water, brackish water, or seawater.
Therefore, from the definitions of the freshwater biomes given, it is an estuary that is formed at the mouth of the river and is filled with species that could live in varying levels of salinity.
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