Employee info

Johanna Järnegren
Stilling:    Senior Research Scientist

  Telephone: +47 918 97 148
  E-mail: johanna.jarnegren@nina.no
 Department:  NINA laksefisk

Key qualifications
  • Marine biology and ecology
  • Cold-water coral ecosystems
  • Reproduction of Lophelia pertusa and other cold-water corals and bivalves
  • Antropogenic disturbances
  • Benthic marine animals
  • Habitat mapping using ROV
  • Taxonomy
  • Ocean acidification and ocean warming
  • Undersea technologies - ROV, manned submersible etc.
  • Chemosynthetic ecosystems - Cold seeps

Some key-publications
Järnegren, J., Brooke, S.& Jensen, H. 2020. Effects and recovery of larvae of the cold-water coral Lophelia pertusa (Desmophyllum pertusum) exposed to suspended bentonite, barite and drill cuttings. Marine Environmental Research. 158. https://hdl.handle.net/11250/2654557

Osterloff, J., Nilssen, I., Järnegren, J., Van Engeland, T., Buhl-Mortensen, P.& Nattkemper, T. 2019. Computer vision enables short- and long-term analysis of Lophelia pertusa polyp behaviour and colour from an underwater observatory. Scientific Reports. 9: 1-12. http://hdl.handle.net/11250/2596589

Liefmann, S., Järnegren, J., Johnsen, G.& Murray, F. 2018. Eco-physiological responses of cold-water soft corals to anthropogenic sedimentation and particle shape. Journal of Experimental Marine Biology and Ecology. 504: 61-71. https://dx.doi.org/10.1016/j.jembe.2018.02.009

Järnegren, J., Brooke, S.& Jensen, H. 2017. Effects of drill cuttings on larvae of the cold-water coral Lophelia pertusa. Deep-Sea Research Part II: Topical Studies in Oceanography. 137: 454-462. https://dx.doi.org/10.1016/j.dsr2.2016.06.014

Larsson, A., Järnegren, J., Strömberg, S., Dahl, M., Lundälv, T.& Brooke, S. 2014. Embryogenesis and larval biology of the cold-water coral Lophelia pertusa. PLOS ONE. 9(7). https://dx.doi.org/10.1371/journal.pone.0102222

Järnegren J, & Kutti T. 2014. Lophelia pertusa in Norwegian waters. What have we learned since 2008? - NINA Report 1028. 40 pp. Norsk institutt for naturforskning (NINA), Trondheim

Brooke, S.& Järnegren, J. 2013. Reproductive periodicity of the scleractinian coral Lophelia pertusa from the Trondheim Fjord, Norway. Marine Biology. 160(1): 139-153. https://dx.doi.org/10.1007/s00227-012-2071-x

Elde, A., Pettersen, R., Bruheim, P., Järnegren, J.& Johnsen, G. 2012. Pigmentation and Spectral Absorbance Signatures in Deep-Water Corals from the Trondheimsfjord, Norway. Marine Drugs. 10(6): 1400-1411. http://hdl.handle.net/11250/2560827

Publications:

Norwegian Institute for Nature Research

NINA is an independent foundation for nature research and research on the interaction between human society, natural resources and biodiversity.
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