Characterized by, relating to, or requiring an abundance of moisture; referring to a habitat characterized by wet or moist conditions rather than Mesic (moderate moisture conditions) or Xeric (dry conditions) ADVANCE \x 540
having within 100 cm from the soil surface one or more layers with a total thickness of 35 cm or more, which have a water retention at 1500 kPa (in undried samples) of 100 percent or more (in Andosols only)