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Naturtypsbestämning av utsjöstationer i Bottniska viken
Perfomers of environmental monitoring, Universities, Umeå University, UmU, Umeå Marine Sciences Centre, UMSC.
Responsible organisation
2017 (Swedish)Report (Other academic)
Abstract [sv]

Fyra utsjöstationer, som ingår i den nationella miljöövervakningen i Bottniska viken, har i denna undersökning naturtypsbestämts enligt art- och habitatdirektivets naturtyper och EUNIS/HUB. Stationerna provtogs med Van Veen huggare och den taxonomiska analysen utfördes på lab. För utsjö finns tre möjliga Natura 2000-naturtyper: 1110 sandbankar, 1170 rev och 1180 bubbelstrukturer. Ingen av de fyra stationerna passade beskrivningen av några av dessa tre möjligheter och klassades därmed inte som naturtyp enligt habitatdirektivet. Alla stationer hade lerigt sediment (>90%) med inslag av lite sand, silt eller noduler. Vid alla stationer dominerade amphipod-arterna Monoporeia affinis och/eller Pontoporeia femorata och stationerna bedömdes som ABH3N1 baltisk afotisk lerigt sediment dominerad av Monoporeia affinis och/ eller Pontoporeia femorata.

Abstract [en]

Four offshore monitoring stations in the Gulf of Bothnia were in this study classified according to the Habitat Directive and EUNIS/ HUB. The stations were sampled with Van Veen grab and later taxonomically analyzed in the laboratory. For offshore stations there are three possible Natura2000 types: 1110 sandbanks, 1170 reefs and 1180 submarine structures made by leaking gases. None of the stations could fit the descriptions of any of these Natura 2000 habitat types. The sediment at all four stations was mostly clay (>90%) with elements of sand and silt and ferromanganese concretions. At all stations the amphipod species Monoporeia affinis and/or Pontoporeia femorata dominated the biomass. The EUNIS/HELCOM HUB classification for all stations was ABH3N1 Baltic aphotic muddy sediment dominated by Monoporeia affinis and/or Pontoporeia femorata.

Place, publisher, year, edition, pages
Göteborg, 2017. , p. 17
Series
Swedish Agency for Marine and Water Management report ; 2017:17
Keywords [en]
offshore monitoring stations, Gulf of Bothnia, the Habitat Directive, EUNIS/HUB
Keywords [sv]
miljöövervakning, naturtypsbestämning, Natura 2000, EUNIS/HUB, Bottniska viken, Ospar, Helcom
National Category
Ecology
Research subject
Finance, National; Coast and Sea, Water column, trends, eutrophication; Environmental Objectives, A Balanced Marine Environment, Flourishing Coastal Areas and Archipelagos
Identifiers
URN: urn:nbn:se:havochvatten:diva-169ISBN: 978-91-87967-65-8 (print)OAI: oai:DiVA.org:havochvatten-169DiVA, id: diva2:1370457
Funder
Swedish Agency for Marine and Water ManagementAvailable from: 2019-11-15 Created: 2019-11-15 Last updated: 2019-11-15

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073a885e194f2f6b28bc4e3d3da033ee612370584cbd0979d79c2a972e49c4f886f22bd9227184bf33595c620725d73a1ef10bfef74c468d1afb708ba3f4a85c
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Umeå Marine Sciences Centre, UMSC
Ecology

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CiteExportLink to record
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Citation style
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