Barium (Ba) concentrations in surface sediments in Skagerrak and Norskerenna / Norwegian trench; raster map.

Large terminal moraines (ice marginal deposits) on Norwegian shelf.

Current channels on the sea floor, digitized on the basis of detailed bathymetry.

Observations of dispersal from plantations of two alien conifer species, Picea sitchensis and Larix sibirica, as well as Picea abies outside its' natural range, to natural habitats as part of the project "Kartlegging av kortdistansespredning av fremmede bartrær".

The map layer shows areas with detailed sediment maps (grain size).

Sulphur (S) content in surface sediments.

The map layer shows areas with detailed sediment maps (genesis).

Zinc (Zn) levels in surface sediments.