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Marine indikatorer

van der Meeren, Gro; Øigård, Tor Arne; Øien, Nils; Nilssen, Kjell Tormod; Oug, Eivind; Sunnanå, Knut; Jakobsen, Tore; Mehl, Sigbjørn; Kvamme, Cecilie; Torstensen, Else; Stenevik, Erling Kåre; Planque, Benjamin; Helle, Gunnar; Gjøsæter, Jakob; Skiftesvik, Anne Berit; Aglen, Asgeir; Johannessen, Tore; Dommasnes, Are; Naustvoll, Lars-Johan; Moy, Frithjof E.; Falkenhaug, Tone; Melle, Webjørn; Knutsen, Tor; Eriksen, Elena; Jørgensen, Lis Lindal; Fosså, Jan Helge; Bannister, Raymond; Buhl-Mortensen, Lene; Buhl-Mortensen, Pål; Strand, Øivind; Søvik, Guldborg; Jelmert, Anders; Knutsen, Jan Atle; Enersen, Svein Erik; Edvardsen, Hanne; Kroglund, Tone; Pedersen, Atle; Eikrem, Wenche; Bekkby, Trine; Tveite, Stein
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Marine_indikatorer_DN-utredning_4-2010_100-131.pdf (370.0Kb)
URI
http://hdl.handle.net/11250/117121
Date
2010-09
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  • The Biological Mechanisms Programme [28]
Original version
van der Meeren GI et al. (2010). Marine Indikatorer. I: Nybø (red.), Datagrunnlag for Naturindeks for Norge 2010 (s. 100-130). Trondheim: Direktoratet for naturforvaltning.  
Abstract
The Nature Index (NI) is established to get an overview of the state and development of biodiversity within the major ecosystems of Norway. It includes marine, limnic and terrestrial ecosystems. The aim of the index is to measure if Norway manage to halt the loss of biodiversity by the end of 2010.

A number of indicators are chosen to represent the state of biodiversity. 125 scientists from various disciplines of research have contributed with data, expert judgements or modeled data for 310 indicators representing different aspects of biological diversity, such as trophic levels, key species and threatened and common species. In

order to assemble all the data to an index, a reference value has been estimated for each indicator. The reference value reflects an ecological sustainable value for the indicator, and the indicator values displays eventual

divergence from this state. This report describes how data on reference values, uncertainty and values for 1950, 1990,

2000 and 2010 has been set for each indicator. Furthermore this report documents the data sources for each of the indicators that are included in the data set.
Publisher
Direktoratet for naturforvaltning
Series
DN-utredning;4-2010

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