定義: A taxon is Least Concern when it has been evaluated against the criteria and does not qualify for Critically Endangered, Endangered, Vulnerable or Near Threatened. Widespread and abundant taxa are included in this category.
定義: Amazonian forest where the soil remains either wet or flooded for most of the year, often associated to sandy soils. When compared to Terra Firme and Várzea Inundated Forests it is generally the less tall of them.