| ubiquitous |
Species that are widespread in many habitats and show no particular habitat preference. |
label |
| undergrowth |
Species associated with ground-layer vegetation within shaded woodland. |
resource |
| understorey |
Species only associated with the canopy of trees and shrubs in the woodland understorey. |
resource |
| undisturbed fluctuating marsh |
This distinctive assemblage is best expressed in floodplains and the draw-down zones of reservoirs, but can also occur on the edges of fens and seepages where its presence can indicate that the site is becoming dryer. |
SAT |
| unknown |
A species where there is little or no current information about its ecology. |
label |
| unknown |
Unknown if species has the trait or uses the resource |
resource |
| Unknown |
A few micromoths are listed as status Unknown |
status |
| unmodified fast flowing streams |
Found within and on the margins of fast-flowing streams, especially in moss on bedrock and boulders often in the splash zone of waterfalls and torrents. |
resource |
| unshaded seepage |
Associated with seepages in open conditions (i.e. not in woodlands or under tree cover). |
resource |
| upland |
Species associated with often open habitats usually above 300m altitude, often consisting of moorland, blanket bogs, Nardus grassland, snow bed and montane heaths and boulder screes. |
habitat |
