A wetland is an area of land whose soil is saturated with moisture either permanently or seasonally. Such areas may also be covered partially or completely covered by shallow pools of water. It includes both flowing and stagnant water, as well as seasonal and permanent wetlands and water bodies. Many invertebrate species associated with this biotope are not fully aquatic.
The diagram below shows the hierarchy of the habitats and resources within the biotope. White boxes indicate a subheading for a collection of resources. The "QI" suffix indicates a biotope, habitat or resource that is a quality indicator.