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Distribution of shell sand localities based on modelling. Modelling is based on data collected by NGU, and carried out by NIVA, in the frame of nation program for mapping of biological diversity.
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This WMS map layer shows selected areas from the dataset "Seabed sediments (grain size), detailed" and indicates where fine sediments are likely to accumulate due to weak bottom currents. Such areas are typically dominated by silty and/or clayey and may include areas with fine-grained sediment deposited on top of coarser material. The map layer is intended for use at map scales 1:10 000 – 1:50 000.
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Modelled distribution of marine nature types in Saltstraumen Marine Protected Area, Bodø municipality.
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Biotopes are areas with distinctive benthic communities and a similar physical environment. Each biotope usually has a unique composition of species. The species are determined by the environmental conditions in the area. Four areas have so far been mapped and modeled separately: the Barents Sea (MAREANO-mapped areas), TromsIII / NordlandVII, NordlandVI and the Central Norwegian shelf. The goal is to harmonize these datasets and create a comprehensive biotope map for Norwegian sea areas.
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Sampling stations where it is registered minimum 50% content of shell sand or shell gravel in the topmost layer of seabed sediments.
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Marine areas with shell sand on the bottom. The extent of the areas is based on actual mapping. There are two categories of the shell sand localities: Proven - verified with sampling; Possible - area limits are based on accustic data.