Remapping of Eelgrass Sites in Outer Oslofjord Tender

• Country: Norway
• Summary: Remapping of Eelgrass Sites in Outer Oslofjord
• NOT Ref No: 140807635
• Deadline: 28 May 2026
• Financier: Self Financed
• Purchaser Ownership: Government
• Tender Value: NOK 8000000
• Notice Type: Tender
• Document Ref. No.: 2026-108220
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• Description:
• Remapping of eelgrass sites in Outer Oslofjord Marine underwater beds dominated by common eelgrass Zosteramarina were mapped in the Oslofjord under the National program for mapping biological diversity - coast, in the period 2007-2010. More recently, several of these have been remapped, but there are still many localities where the status and development since that time is unknown. The purpose of this announcement is to increase the knowledge base on the development and condition of common eelgrass and to contribute to knowledge about varietals quality in location Outer Oslofjord (Swedish border to Agderog outside Drøbakterskele). It must also be a basis for future assessments of the development based on the use of new methodology. The starting point is localities that are already registered Naturbaseog has not been examined since 2012. Within the nature type eelgrass communities there are different designs, in this work it is the design "Normal eelgrass" that will be investigated. Locations within value categories very important and important must be included the surveys. About 270 locations with common eelgrass in these two value categories are registered in Naturbase. Some meadows may be too small to be classified in condition, or have disappeared. Some locations can be excluded because the area is built-up. Previously mapped eelgrass beds must be examined in the field and mapped and condition classified, setting a methodology for monitoring and calculating the eelgrass index described in Guideline 02:2018 (Direktoratsgruppen vanndirektive 2...
• Documents:

 Tender Notice