Location of water course modifications (trenching, culverting, canalisation).
The data was made available by HELCOM Contracting Parties in response to data request. The data was received from Estonia, Finland and Poland. Data reported by Finland and Poland as water course modification were interpreted as pipelines and were included in HELCOM HOLAS 2 Pipelines dataset.
The activity was declared as not relevant in Germany and Lithuania.
From Latvia, Russia and Sweden no data was reported.
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