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Invasive Pacific oyster spreading rapidly in NorwayOslofjord, Oslo Viken, Norway 14 May 2023 ![]() |
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Harmful algae colours the Oslo fjord greenOslofjord, Oslo, Norway 18 Nov 2021 ![]() |
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Manet invasion in the Oslo FjordSaltnes, Østfold, Norway 11 Jun 2020 ![]() |