Research topic

Kelp trawling

Nina Dehnhard

  • seabird ecologist with experience in the tropics, the southern hemisphere including Antarctica and in the North Atlantic
  • has worked with a range of different species: boobies, tropicbirds, penguins, petrels, shags, guillemots, puffins
  • fieldwork experience in partly remote and challenging environments (Christmas Island, Antarctica, Falkland/Malvinas Islands, Iceland, Norway)
  • familar with a broad range of fieldwork methods: 
    • bird counts and population monitoring
    • marking birds with metal & colour rings as well as PITs
    • deployments of GPS, GLS, TDR and video cameras
  • various types of data analyses and statistical modelling
    • linear mixed models with random slopes and random interceps
    • generalized additive mixed models
    • habitat suitability modelling and predicting of suitable foraging habitat
    • survival- and population-modelling
  • supervisor of several Master-students
  • in charge of the monitoring of plastic in fulmar stomachs for OSPAR in Norway

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Svein-Håkon Lorentsen

  • Research scientist focusing on seabirds and coastal seals in marine and polar environments. 
  • Main research topics; population ecology, demography and reproductive biology, diet, food searching behaviour, behaviour and migration using dataloggers (GPS, GLS, TDR and satelite-transmitters) 
  • Great experience with field work under challenging conditions (Antarctica, the Norwegian coast at all times of the year). 
  • Impact assessments, seabirds and offshore oil and wind development, effects of kelp harvesting and disturbance from boats on seabirds.
  • Supervisor of master- and PhD-students and opponent on PhD-thesis.
  • In charge of the Norwegian monitoring programme for seabirds
  • Administrative experience from leadership of several projects and as assistant research director and research director. 


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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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