Blar i Avdeling for lærerutdanning (gjelder til og med 2020) på forfatter "Helberg, Morten"

Viser treff 1-4 av 4

    • Common eider and herring gull as contaminant indicators of different ecological niches of an urban fjord system 

      Thorstensen, Helene; Ruus, Anders; Helberg, Morten; Bæk, Kine; Enge, Ellen Katrin; Borgå, Katrine (Peer reviewed; Journal article, 2020)
      Seabirds like gulls are common indicators in contaminant monitoring. The herring gull (Larus argentatus) is a generalist with a broad range of dietary sources, possibly introducing a weakness in its representativeness of ...

    • Common Eider and Herring Gull as Contaminant Indicators of Different Ecological Niches of an Urban Fjord System 

      Thorstensen, Helene; Ruus, Anders; Helberg, Morten; Bæk, Kine; Enge, Ellen Katrin; Borgå, Katrine (Peer reviewed; Journal article, 2020)
      Seabirds like gulls are common indicators in contaminant monitoring. The herring gull (Larus argentatus) is a generalist with a broad range of dietary sources, possibly introducing a weakness in its representativeness of ...

    • Environmental Contaminants in an Urban Fjord, 2018 

      Ruus, Anders; Bæk, Kine; Rundberget, Thomas; Allan, Ian; Beylich, Bjørnar; Schlabach, Martin; Warner, Nicholas Alexander; Borgå, Katrine; Helberg, Morten (NIVA-rapport;L.nr. 7410-2019, Research report, 2019)
      This programme, “Environmental Contaminants in an Urban Fjord” has covered sampling and analyses of sediment and organisms in a marine food web of the Inner Oslofjord, in addition to samples of blood and eggs from herring ...

    • Territory location and quality, together with climate, affect the timing of breeding in the whitethroated dipper 

      Nilsson, Anna; Slagsvold, Tore; Røstad, Ole Wiggo; Knudsen, E.; Jerstad, Kurt; Cadahia, Luis; Reitan, Trond; Helberg, Morten; Walseng, Bjørn; Stenseth, Nils Christian (Journal article; Peer reviewed, 2019-05-21)
      Recent climate change has led to advanced spring phenology in many temperate regions. The phenological response to variation in the local environment, such as the habitat characteristics of the territories birds occupy, ...