• Can multitrophic interactions and ocean warming influence large-scale kelp recovery? 

      Christie, Hartvig C; Gundersen, Hege; Rinde, Eli; Filbee-Dexter, Karen; Norderhaug, Kjell Magnus; Pedersen, Torstein; Bekkby, Trine; Gitmark, Janne Kim; Fagerli, Camilla With (Journal article; Peer reviewed, 2019)
      Ongoing changes along the northeastern Atlantic coastline provide an opportunity to explore the influence of climate change and multitrophic interactions on the recovery of kelp. Here, vast areas of sea urchin‐dominated ...
    • Effects of climate and eutrophication on the diversity of hard bottom communities on the Skagerrak coast 1990-2010 

      Norderhaug, Kjell Magnus; Gundersen, Hege; Pedersen, Are; Moy, Frithjof Emil; Green, Norman Whitaker; Walday, Mats Gunnar; Gitmark, Janne Kim; Ledang, Anna Birgitta; Bjerkeng, Birger; Hjermann, Dag Øystein; Trannum, Hilde Cecilie (Journal article; Peer reviewed, 2015)
      Eutrophication is one of the most serious environmental problems in the Skagerrak, and climate change may increase eutrophication in the future. This study focused on the effects of eutrophication and climate, and the ...
    • Global estimates of the extent and production of macroalgal forests 

      Duarte, Carlos M.; Gattuso, Jean-Pierre; Hancke, Kasper; Gundersen, Hege; Filbee-Dexter, Karen; Pedersen, Morten Foldager; Middelburg, J.J.; Burrows, Michael T.; Krumhansl, Kira A.; Wernberg, Thomas; Moore, Pippa J.; Pessarrodona, Albert; Ørberg, Sarah; Pinto, Isabel Sousa; Assis, Jorge; Queirós, Ana M.; Smale, Dan A; Bekkby, Trine; Serrão, Ester A.; Krause-Jensen, Dorte (Peer reviewed; Journal article, 2022)
      Macroalgal habitats are believed to be the most extensive and productive of all coastal vegetated ecosystems. In stark contrast to the growing attention on their contribution to carbon export and sequestration, understanding ...
    • Kartfesting og klassifisering av marin natur på Svalbard – et prosjekt for Svalbards miljøvernfond 

      Bekkby, Trine; Albretsen, Jon; Kuipers, Boele; Renaud, Paul Eric; Gundersen, Hege; Włodarska-Kowalczuk, M (Research report, 2017)
      Dette prosjektet har hatt som mål å integrere, modellere og tilgjengeliggjøre marine grunnkart for Svalbard. Dyp, strøm, saltholdighet, temperatur, ulike terrengforhold (inkl. skråning, bassenger) og områder med skred og ...
    • Kelp forest distribution in the Nordic region 

      Kvile, Kristina Øie; Andersen, Guri Sogn; Baden, Susanne; Bekkby, Trine; Bruhn, Annette; Geertz-Hansen, Ole; Hancke, Kasper; Hansen, Jørgen L.S.; Krause-Jensen, Dorte; Rinde, Eli; Steen, Henning; Wegeberg, Susse; Gundersen, Hege (Peer reviewed; Journal article, 2022)
      Kelp forests are productive coastal ecosystems that provide a range of ecosystem services. Mapping the distribution and area occupied by kelp forests is a critical step to identify their ecosystem functions and services, ...
    • Nordic Blue Carbon Ecosystems: Status and Outlook 

      Krause-Jensen, Dorte; Gundersen, Hege; Björk, Mats; Gullström, Martin; Dahl, Martin; Asplund, Maria E.; Boström, Christoffer; Holmer, Marianne; Banta, Gary T.; Graversen, Anna Elizabeth Løvgren; Pedersen, Morten Foldager; Bekkby, Trine; Frigstad, Helene; Skjellum, Solrun Figenschau; Thormar, Jonas; Gyldenkærne, Steen; Howard, Jennifer; Pidgeon, Emily; Ragnarsdóttir, Sunna Björk; Mols-Mortensen, Agnes; Hancke, Kasper (Peer reviewed; Journal article, 2022)
      Vegetated coastal and marine habitats in the Nordic region include salt marshes, eelgrass meadows and, in particular, brown macroalgae (kelp forests and rockweed beds). Such habitats contribute to storage of organic carbon ...
    • Pilotprosjekt - Kartlegging av marin natur i Møre og Romsdal. Årsrapport 2017 

      Bekkby, Trine; Sigurd, Espeland; Dolan, Margaret; Rinde, Eli; Moy, Frithjof Emil; Elvenes, Sigrid; Gundersen, Hege; van Son, Thijs Christiaan; Sogn Andersen, Guri; Thormar, Jonas; Frigstad, Helene; Moy, Siri Røang; Beylich, Bjørnar; Albretsen, Jon; Naustvoll, Lars Johan; Tveiten, Lise Ann (Research report, 2018)
    • Soft bottom benthos and responses to climate variation and eutrophication in Skagerrak 

      Trannum, Hilde Cecilie; Gundersen, Hege; Oug, Eivind; Rygg, Brage; Norderhaug, Kjell Magnus (Journal article; Peer reviewed, 2018)
      Skagerrak has been subject to several anthropogenic influences over the past decades, with climate change and eutrophication being considered as the most serious and large-scale disturbance factors. The present study reports ...
    • Status for miljøet i norske havområder - Rapport fra Overvåkingsgruppen 2023 

      Albretsen, Jon; Assmann, Karen; Assmy, Philipp; Bohlin-Nizzetto, Pernilla; Børsheim, Knut Yngve; Chierici, Melissa; Christensen, Kai Håkon; Dalpadado, Padmini; Diesing, Markus; Espenes, Lars Christian; Falkenhaug, Tone; Fauchald, Per; Frie, Anne Kirstine Højholt; Gerland, Sebastian; Grøsvik, Bjørn Einar; Gundersen, Hege; Gundersen, Kjell; Hancke, Kasper; Heimstad, Eldbjørg Sofie; Husa, Vivian; Ingvaldsen, Randi Brunvær; Jelmert, Anders; Hensen, Henning; Jensen, Louise Kiel; Jensen, Martin; Johansson, Josefina; Johnsen, Hanne; Jørgensen, Lis Lindal; Kovacs, Kit M.; Leiknes, Øystein; Leonard, Deanna Marie; Lorentsen, Svein-Håkon; Mousing, Erik Askov; Norderhaug, Kjell Magnus; Rosendal, Elisabet; Sanchez-Borque, Jorge; Schøyen, Merete; Skagseth, Øystein; Skjerdal, Hilde Kristin; Skern-Mauritzen, Mette; Skogen, Morten D.; Stene, Kristine O.; Søvik, Guldborg; Thorsnes, Terje; von Quillfeldt, Cecilie (Rapport fra havforskningen;2023 - 24, Research report, 2023)
      I denne rapporten gir Overvåkingsgruppen, for første gang, en felles vurdering av miljøtilstanden i Barentshavet og havområdene utenfor Lofoten, Norskehavet og Nordsjøen med Skagerrak. Det er også første rapport som bruker ...
    • Tallknusing av sukkertaredata 

      Gundersen, Hege; Norderhaug, Kjell Magnus; Christie, Hartvig C; Moy, Frithjof Emil; Hjermann, Dag Øystein; Vedal, Jens; Ledang, Anna Birgitta; Gitmark, Janne Kim; Walday, Mats (Research report, 2014)
      Norsk institutt for vannforskning (NIVA) og Havforskningsinstituttet (HI) har gjennomført prosjektet «Tallknusing av sukkertare-data», på oppdrag fra Miljødirektoratet. Gjennom prosjektet har tilgjengelige data som kan ...
    • The abundance of kelp is modified by the combined impact of depth, waves and currents 

      Bekkby, Trine; Smit, Cecilie; Gundersen, Hege; Rinde, Eli; Steen, Henning; Tveiten, Lise Ann; Gitmark, Janne Kim; Fredriksen, Stein; Albretsen, Jon; Christie, Hartvig C (Journal article; Peer reviewed, 2019)
      This study analyses the combined impact of two types of ocean water flow, wave exposure and ocean currents, on kelp Laminaria hyperborea abundance, taking other environmental co-variables into account. The dataset covers ...