sentence: Alluvial soils carried in the floodwaters add nutrients to the floodplains.
sentences_before: During the wet season, water carried down from the Arnhem Land plateau often overflows from creeks and rivers onto nearby floodplains.
sentences_after: Nutrient-rich soils along with an abundance of water and sunlight make the floodplains an area of prolific plant and animal life. During the dry season the water drains into rivers, creeks and isolated waterholes or billabongs.
concept_name: alluvial soil
headings: Kakadu National Park Landforms
categories: Protected areas of the Northern Territory Ramsar sites Australian National Heritage List World Heritage Sites in Australia National parks in Australia