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===Data Source=== | ===Data Source=== | ||
' | [http://maps.helcom.fi/website/mapservice/ HELCOM HOLAS II Dataset: Extraction of sand and gravel (2017)] | ||
=== | |||
===Original Title=== | |||
Extraction of sand and gravel | |||
===Description=== | |||
"The dataset contains sand and gravel extraction activity during 2011–2015. The dataset is based on data submission by HELCOM Contacting Parties in response to data request. The dataset is quality assured and contains data from all the Baltic Sea countries. Common extraction sites with information on volume of extraction was included in the dataset. The other extraction sites (building sites, exclusive sites) had only summed data for all the sites, as volumes of extraction in specific sites was classified as confidential information. For these sites the volumes was calculated from reported sum of "other extraction areas". The amount was equally divided between corresponding extraction areas. For some common extraction sites a shared amount was reported." | |||
Description retrieved from HELCOM's metadata page for this resource (19-07-2021) | |||
===Creation Date=== | |||
15-01-2018 | |||
===Methodology=== | ===Methodology=== | ||
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Revision as of 11:01, 19 July 2021
This page was last edited on 19 July 2021, at 11:01. Content is available under GPLv3 unless otherwise noted.