Freshwater ecosystems are a subset of Earth's aquatic ecosystems that include the biological communities inhabiting freshwater waterbodies such as lakes, ponds, rivers, streams, springs, bogs, and wet
Freshwater ecosystem
This stream operating together with its environment can be thought of as forming a river ecosystem.
Aerial view of Slapton Sands and northern part of Ley geograph.org.uk 1434412
Water pollution is the contamination of water bodies, which has a negative impact on how they can be used. It is usually caused by human activities. Water bodies include lakes, rivers, oceans, aquifer
Garbage floating in water, Circular Quay, Sydney, Australia
Poster to teach people in South Asia about human activities leading to the pollution of water sources
Bauxite residue is an industrial waste that is dangerously alkaline and can lead to water pollution if not managed appropriately (photo from Stade, Germany).
Muddy river polluted by sediment