Although freshwater habitats cover less than 1 percent of the Earth's surface, they support 10 percent of known animal species.

Smithsonian researchers study the ocean and freshwater ecosystems around the world. Using collections, SCUBA, submersibles, and more we ask questions about marine biodiversity, coastal ecosystems, ...

Many animals change landscapes by acting as ‘ecosystem engineers’. Protecting and restoring nature can help us become more ...

The researchers examined around 23,500 species of dragonflies, fish, crabs and other animals that depend exclusively on freshwater ecosystems. They found that 24 per cent were at risk of ...

Wetlands, rivers, lakes, and coastal estuaries are all aquatic ecosystems—critical elements ... is connected and what is at stake with freshwater overuse, pollution, and drought.

2 min read Freshwater ecosystems are essential for human survival, providing the majority of people's drinking water. The ecosystems are home to more than 40 percent of the world's fish species.

although endangered freshwater animals often share their habitat with equally endangered amphibians, birds, mammals or reptiles, they face specific threats linked to their particular ecosystems.

Water Research 46, 1349-63 (2012). Porter, K. G. The plant-animal interface in freshwater ecosystems. American Scientist 65, 159-170 (1977). Schindler, D. W. Eutrophication and recovery in ...

An ecosystem is a natural environment in which animals, plants and organisms work to support life. This film explains the difference between biotic and abiotic, terrestrial, freshwater and ocean ...

Freshwater invertebrates are an important part of the freshwater ecosystem and food chain, and they can also tell us a lot about the health of a waterbody. If you'd like to learn how to look for them, ...