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Lasse Mork Olsen's picture

Lasse Mork Olsen

Guest Researcher
Department of Biological Sciences (BIO)
  • E-maillasse.olsen@uib.no
  • Visitor Address
    HIB - Thormøhlens gate 55
    5006 Bergen
  • Postal Address
    Postboks 7803
    5020 Bergen
Academic article
  • Show author(s) (2023). The summer bacterial and archaeal community composition of the northern Barents Sea. Progress in Oceanography. 9 pages.
  • Show author(s) (2023). Earlier sea-ice melt extends the oligotrophic summer period in the Barents Sea with low algal biomass and associated low vertical flux. Progress in Oceanography. 28 pages.
  • Show author(s) (2021). Carbon export in the seasonal sea ice zone north of Svalbard from winter to late summer. Frontiers in Marine Science. 21 pages.
  • Show author(s) (2020). Changes in Sea-Ice Protist Diversity With Declining Sea Ice in the Arctic Ocean From the 1980s to 2010s. Frontiers in Marine Science. 18 pages.
  • Show author(s) (2019). Iron cycling in a mesocosm experiment in a north Patagonian fjord: Potential effect of ammonium addition by salmon aquaculture. Estuarine, Coastal and Shelf Science. 209-219.
  • Show author(s) (2019). A red tide in the pack ice of the Arctic Ocean. Scientific Reports. 13 pages.
  • Show author(s) (2018). The activity of nitrifying microorganisms in a high-altitude Andean wetland. FEMS Microbiology Ecology. 1-13.
  • Show author(s) (2018). Algal hot spots in a changing Arctic Ocean: sea-ice ridges and the snow-ice interface. Frontiers in Marine Science.
  • Show author(s) (2018). Algal colonization of young arctic sea ice in spring. Frontiers in Marine Science. 20 pages.
  • Show author(s) (2017). Windows in Arctic sea ice: light transmission and ice algae in a refrozen lead. Journal of Geophysical Research (JGR): Biogeosciences. 1486-1505.
  • Show author(s) (2017). The seeding of ice algal blooms in Arctic pack ice: The multiyear ice seed repository hypothesis. Journal of Geophysical Research (JGR): Biogeosciences. 1529-1548.
  • Show author(s) (2017). Sea ice thermohaline dynamics and biogeochemistry in the Arctic Ocean: Empirical and model results. Journal of Geophysical Research (JGR): Biogeosciences. 1632-1654.
  • Show author(s) (2017). Responses in the bacterial community structure to waste nutrients from aquaculture: an in situ microcosm experiment in a Chilean fjord. Aquaculture Environment Interactions. 21-32.
  • Show author(s) (2017). Responses in bacterial community structure to waste nutrients from aquaculture: an in situ microcosm experiment in a Chilean fjord. Aquaculture Environment Interactions. 21-32.
  • Show author(s) (2017). Leads in Arctic pack ice enable early phytoplankton blooms below snow-covered sea ic. Scientific Reports. 1-9.
  • Show author(s) (2016). Microbial activity response to solar radiation across contrasting environmental conditions in Salar de Huasco, northern Chilean altiplano. Frontiers in Microbiology.
  • Show author(s) (2015). Titanium uptake and incorporation into silica nanostructures by the diatom Pinnularia sp. (Bacillariophyceae). Journal of Applied Phycology. 777-786.
  • Show author(s) (2015). The response of nitrifying microbial assemblages to ammonium (NH4+) enrichment from salmon farm activities in a northern Chilean Fjord. Estuarine, Coastal and Shelf Science. 131-142.
  • Show author(s) (2015). Interdisciplinarity as an Emergent Property: The Research Project “CINTERA” and the Study of Marine Eutrophication. Sustainability. 9118-9139.
  • Show author(s) (2014). Responses in the microbial food web to increased rates of nutrient supply in a southern Chilean fjord: Possible implications of cage aquaculture. Aquaculture Environment Interactions. 11-27.
  • Show author(s) (2013). Microbial biogeography during austral summer 2007 in the surface waters around the South Shetland Islands, Antarctica. Aquatic Microbial Ecology. 131-140.
  • Show author(s) (2012). Prey-predator dynamics in rotifers: density-dependent consequences of spatial heterogeneity due to surface attachment. Ecology. 1795-1801.
  • Show author(s) (2011). Improved monitoring of phytoplankton bloom dynamics in a Norwegian fjord by integrating satellite data, pigment analysis, and Ferrybox data with a coastal observation network. Journal of Applied Remote Sensing. 21 pages.
  • Show author(s) (2008). Temperature effects on microalgal photosynthesis-light responses measured by O2 production, pulse-amplitude-modulated fluorescence, and C-14 assimilation. Journal of Phycology. 501-514.
  • Show author(s) (2006). Photosynthesis-induced phosphate precipitation in seawater: ecological implications for phytoplankton. Marine Ecology Progress Series. 103-110.
  • Show author(s) (2006). Photoacclimation in phytoplankton: implications for biomass estimates, pigment functionality and chemotaxonomy. Marine Biology. 963-971.
  • Show author(s) (2003). Is phosphorus limitation of heterotrophic bacteria and accumulation of degradable DOC a normal phenomenon in phosphorus limited systems? A microcosm study. FEMS Microbiology Ecology. 307-316.
  • Show author(s) (2002). Can phosphorus limitation inhibit dissolved organic carbon consumption in aquatic microbial food webs? A microcosm study. Microbial Ecology. 353-366.
Report
  • Show author(s) (2022). Seasonal cruise Q2 2021: Cruise Report . 34. 34. .
  • Show author(s) (2008). Perspectives of nutrient emission from of fish aquaculture in coastal waters. Literature review with evaluated state of knowledge. .
Lecture
  • Show author(s) (2012). Can waste emission from fish farms change the structure of marine microbial food webs?
Academic lecture
  • Show author(s) (2022). Biophysical characterization of summer Arctic sea ice habitats using a ROV- (and under-ice arm)-mounted Underwater Hyperspectral Imager.
  • Show author(s) (2022). ARCTIC SEA ICE RIDGES – DYNAMIC HOTSPOTS FOR MICROBIAL LIFE.
  • Show author(s) (2014). Effects of the UV Radiation in Phototrophic Communities of Salar De Huasco, Chilean Altiplano.
  • Show author(s) (2014). Does Solar Radiation Affect Evenly Microbial Activity? 2785 M Closer to the Stars: Salar De Huasco Study Case.
  • Show author(s) (2013). Rol directo/indirecto de la radiacion solar como uno de los estresores en la actividad microbiana de ecosistemas acuaticos Chilenos.
  • Show author(s) (2013). Avances de la Ecología Microbiana en Chile: casos Altiplano Chileno y fiordos de la Patagonia.
  • Show author(s) (2013). A comparative and holistic assessment of the effects of increased aquaculture activities in Norway and in Chile: Eutrophication and stakeholder perceptions.
  • Show author(s) (2012). Nitrificacion, un proceso dinamico en el Salar de Huasco.
  • Show author(s) (2012). El potencial de las nuevas herramientas de alta resolucion en la era de las omicas.
  • Show author(s) (2012). Dinamica del oxigeno en tapetes microbianos de un humedal de altura en el altiplano chileno.
  • Show author(s) (2011). Natural iron enrichment and plankton composition in in the vicinity of the Antarctic peninsula.
  • Show author(s) (2008). Environmental impact of aquaculture on coastal planktonic ecosystems.
  • Show author(s) (2006). Temperature effects on photosynthesis: Measurements using O2-microelectrodes, Pulse Amplitude Modulated (PAM) fluorescence and 14C-incorporation techniques.
  • Show author(s) (2004). Interactions between metabolism, geochemistry and bacterial diversity in cultures of the marine dinoflagellate Prorocentrum minimum.
  • Show author(s) (2004). Importance of bio-optical variation and the spectral quality of light in northern waters for estimating primary productivity.
  • Show author(s) (2003). Temperature effects on photosynthesis and respiration - old and new methods.
  • Show author(s) (2003). Grazing by Brachionus plicatilis: Prey dependent or ratio dependent.
  • Show author(s) (2002). Is phosphorus limitation of heterotrophic bacteria and accumulation of degradable organic carbon a normal phenomenon in phosphorus limited systems? A microcosm study.
  • Show author(s) (2000). Estimation of primary production in coastal waters: Evaluation of current methods.
  • Show author(s) (2000). Can phosphorus limitation inhibit dissolved organic carbon consumption in aquatic microbial food webs ? A study of three food web structures in microcosms.
Thesis at a second degree level
  • Show author(s) (1998). Betydningen av næringsnettstruktur for regulering av veksthastighet og biomasse hos pelagiske, heterotrofe bakterier.
Popular scientific article
  • Show author(s) (2019). Å jobbe med det usynlige - eller hvorfor fotografen ikke tar bilder av arbeidet vårt. Forskning.no.
Doctoral dissertation
  • Show author(s) (2005). Interactions between marine osmo- and phagotrophs in different physicochemical environments.
Academic chapter/article/Conference paper
  • Show author(s) (2010). Response of the Phytoplankton Community in Trondheim Fjord to Various Iron-Organic Matter Combinations in the Mesocosm Experiment.
  • Show author(s) (2008). Environmental Impact of Aquaculture on Coastal Planktonic Ecosystems. 16 pages.
Poster
  • Show author(s) (2023). Are particle fluxes below pressure ridges greater than below first-year ice in the central Arctic Ocean winter and summer?
  • Show author(s) (2022). The working of the microbial food web inside sea ice ridges vs. the water column in winter and summer in the Arctic Ocean.
  • Show author(s) (2017). Windows in Arctic sea ice – light transmission and ice algal response in a refrozen lead.
  • Show author(s) (2014). Solar Radiation and stratification main drivers in microbial production in Patagonian Fjords.
  • Show author(s) (2014). Effect of ammonium addition on the microbial food web structure and community composition of the osmotrophs in the Comau fjord in southern Chile.
  • Show author(s) (2013). Variabilidad en la abundancia, biomasa y produccion microbiana en el fiordo de Comau: possible efecto de la radiacion solar (PAR y UV).
  • Show author(s) (2013). Reciclaje del amonio en el Fiordo de Comau y el impacto dela salmonicultura.
  • Show author(s) (2013). Radiación solar como uno de los estresores en la actividad microbiana de ecosistemas acuáticos chilenos.
  • Show author(s) (2013). Microbial communities in the surface water masses surrounding the South Shetland Islands, Antarctica.
  • Show author(s) (2013). Efecto en la estructura comunitaria bacteriana a adiciones artificiales de amonio, en fiordos impactados por Salmonicultura.
  • Show author(s) (2013). Colimitation by iron and light at deep Chl a maximum in the Southern Ocean.
  • Show author(s) (2012). Summer Solar Radiation effects on autotrophic activity in a high anathalassohaline evaporitic basin: Salar de Huasco-Chilean Altiplano.
  • Show author(s) (2007). Temperature effects on photosynthesis-light responses measured by O2 evolution, pulse amplified modulated (PAM) fluorescence and 14C assimilation.
  • Show author(s) (2005). Temperature effects on photosynthesis-light responses measured by O2-evolution, 14C-assimilation and Pulse Amplitude Modulated (PAM) fluorescence.
  • Show author(s) (2003). Photosynthesis, the effect of altered temperature; a comparison of methods.
Academic literature review
  • Show author(s) (2012). Discharge of nutrient wastes from salmon farms: environmental effects, and potential for integrated multi-trophic aquaculture. Aquaculture Environment Interactions. 267-283.
Chapter
  • Show author(s) (2011). Ecological experiments. . In:
    • Show author(s) (2011). Users guide to physical modelling and experimentation: Experience of the HYDRALAB Network. CRC Press.

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