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dc.contributor.authorGundersen, Hege
dc.contributor.authorRinde, Eli
dc.contributor.authorBekkby, Trine
dc.contributor.authorHancke, Kasper
dc.contributor.authorGitmark, Janne K
dc.contributor.authorChristie, Hartvig
dc.identifier.citationFrontiers in Marine Science. 2021, 8, 578629.en_US
dc.description.abstractThere is an increasing focus on ecosystem services provided by macroalgae worldwide, many which depend on its structural and morphological characteristics. Here we investigated how characteristics of canopy kelp plants of Laminaria hyperborea varies along the Norwegian part of the NE Atlantic. Ten characteristics related to size, allometry, density, biomass and epiphytes were analyzed along wide gradients of depth, wave exposure and latitude. The analyses were performed on a compiled dataset of 630 scuba samples from different research and monitoring projects along the Norwegian coast (58-71◦N). The largest kelps, highest biomass, and highest biomass of epiphytic algae was found in Mid-Norway (63-65◦N). While most size-related kelp characteristics were reduced with water depth, they were enlarged with wave exposure. The developed statistical models can be used to calculate site-specific values (and their variation) of the different characteristics at any location based on latitude, depth and wave exposure. These can further be used to map kelp derived ecosystem services. We predicted region-specific estimates of total plant weight, kelp density and kelp biomass. Moreover, the models were applied to estimate living biomass (56 million tonnes fresh weight), carbon standing stock (2.6 million tonnes carbon or 9.5 million tonnes CO2), and carbon sequestration potential (0.46 million tonnes per year) for the Norwegian kelp forests, that were estimated to cover about 5 355 km2. The site- and region-specific estimates are relevant to kelp forest management and for blue carbon accountings.en_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.titleVariation in population structure and standing stocks of kelp along multiple environmental gradients and implications for ecosystem servicesen_US
dc.typePeer revieweden_US
dc.typeJournal articleen_US
dc.rights.holderCopyright © 2021 Gundersen, Rinde, Bekkby, Hancke, Gitmark and Christie.en_US
dc.source.journalFrontiers in Marine Scienceen_US
dc.relation.projectNorges forskningsråd: 184638en_US
dc.relation.projectNorges forskningsråd: 280778en_US
dc.relation.projectNorges forskningsråd: 280732en_US
dc.relation.projectNorges forskningsråd: 267536en_US

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