Carbonate sand deposits in Norway
The aim of the National Program for Mapping Biodiversity – Coast is to provide Norwegian managers and planners with maps of the distribution of marine habitats and key areas for species. Carbonate sand is composed of skeletal fragments from marine organisms, mostly shells, snails, barnacles, sea urchins and calcareous algae, accumulating during the past 10 000 years. Carbonate sand deposits with ongoing production and accumulation were identified through distribution modelling (using statistical methods such as GAM, BRT, Maxent) based on presence–absence data of carbonate sand deposits from grab samples (collected by the Geological Survey of Norway). Depth, wave exposure and ocean current speed were the most important predictors. Polygon areas were derived from the model according to the routine established in the Norwegian National Program for Mapping Biodiversity – Coast.
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Date | 2023-09-18 |
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Date type | Creation: Date identifies when the resource was brought into existence |
Unique resource identifier | c111206d-2732-4a64-a327-1f123605ec25 |
Credit | The National Program for Mapping Biodiversity – Coast is funded by the Ministry of Trade, Industry and Fisheries and Ministry of Climate and Environment Project leader: Trine Bekkby, Norwegian Institute for Water Research. http://onlinelibrary.wiley.com/doi/10.1002/9781118496480.ch2/summary |
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Point of contact
Organisation name | Norwegian Institute for Water Research (NIVA) |
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Electronic mail address | post@niva.no |
Role | Owner: Party that owns the resource |
Maintenance and update frequency | Not planned: There are no plans to update the data |
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habitat
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biotope
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Spatial representation type | Vector: Vector data is used to represent geographic data |
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Denominator | 808536 |
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Language | English |
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Reference System Information
Unique resource identifier | http://www.opengis.net/def/crs/EPSG/0/3857 |
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Hierarchy level | Dataset: Information applies to the dataset |
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Lineage
Statement | Carbonate sand deposits with ongoing production and accumulation were identified through distribution modelling (using statistical methods such as GAM, BRT, Maxent) based on presence–absence data of carbonate sand deposits from grab samples (collected by the Geological Survey of Norway). Depth, wave exposure and ocean current speed were the most important predictors. Polygon areas were derived from the model according to the routine established in the Norwegian National Program for Mapping Biodiversity – Coast. |
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Distribution format | ESRI Shapefile (Version: 1) GML (Version: 3.2.1) | ||||||||||||||||
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File identifier | c111206d-2732-4a64-a327-1f123605ec25 | ||||||||
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Metadata language | English | ||||||||
Character set | UTF8: 8-bit variable size UCS Transfer Format, based on ISO/IEC 10646 | ||||||||
Hierarchy level | Dataset: Information applies to the dataset | ||||||||
Date stamp | 2023-09-19T08:01:03.442Z | ||||||||
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Associated resources
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