MT1.2 Muddy shorelines [In: IUCN Global Ecosystem Typology 2.0: descriptive profiles for biomes and ecosystem functional groups]

[Extract] Highly productive intertidal environments are defined by their fine particle size (dominated by silts) and are fuelled largely by allochthonous production. Benthic diatoms are the key primary producer, although ephemeral intertidal seagrass may occur.