• Levedyktighetsanalyser for norske lomvibestander 

      Erikstad, K.E.; Reiertsen, T.K.; Anker-Nilssen, Tycho; Barrett, Robert T; Lorentsen, Svein-Håkon; Strøm, H.; Systad, G.H. (NINA Rapport;240, Research report, 2007)
      Erikstad, K.E, Reiertsen, T.K., Anker-Nilssen, T., Barrett, R.T., Lorentsen, S.-H., Strøm, H. og Systad, G.H. 2007. Levedyktighetsanalyser for norske lomvibestander. NINA Rappport 240, 25 s. Hekkebestandene av lomvi (Uria ...
    • Raising offspring increases ageing: Differences in senescence among three populations of a long-lived seabird, the Atlantic puffin 

      Landsem, Terje Lorentzen; Yoccoz, Nigel Gilles; Layton-Matthews, Kate; Hilde, Christoffer Høyvik; Harris, Michael P; Wanless, Sarah; Daunt, Francis; Reiertsen, Tone Kristin; Erikstad, Kjell E.; Anker-Nilssen, Tycho (Peer reviewed; Journal article, 2023)
      1. Actuarial senescence, the decline of survival with age, is well documented in the wild. Rates of senescence vary widely between taxa, to some extent also between sexes, with the fastest life histories showing the highest ...