Dead plants and organisms – for example, bacteria, algae, fish and zooplankton – that once lived in the lake sink to the bottom where they start breaking down.
- Freshwater macroinvertebrates – article about tiny animals that live in lakes and streams
- Wetland animals – article describing the diverse species that live in freshwater environments
- New Zealand’s freshwater fish – article curating resources in te reo Māori and English
- Pest plants – video about the impacts of pest species in aquatic ecosystems