Blar i Bergen Open Research Archive på forfatter "Sjøgren, Per Johan E"

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    • How well can near infrared reflectance spectroscopy (NIRS) measure sediment organic matter in multiple lakes? 

      Ancin Murguzur, Francisco Javier; Brown, Antony; Clarke, Charlotte; Sjøgren, Per Johan E; Svendsen, John-Inge; Alsos, Inger Greve (Journal article; Peer reviewed, 2020)
      Loss-on-ignition (LOI) is the most widely used measure of organic matter in lake sediments, a variable related to both climate and land-use change. The main drawback for conventional measurement methods is the processing ...

    • Last Glacial Maximum environmental conditions at Andøya, northern Norway; evidence for a northern ice-edge ecological “hotspot” 

      Alsos, Inger Greve; Sjøgren, Per Johan E; Brown, Antony; Gielly, Ludovic; Merkel, Marie Føreid; Paus, Aage; Lammers, Youri; Edwards, Mary E.; Alm, Torbjørn; Leng, Melanie; Goslar, Tomasz; Langdon, Cathrine; Bakke, Jostein; Van Der Bilt, Willem (Journal article; Peer reviewed, 2020)
      Andøya on the NW coast of Norway is a key site for understanding the Last Glacial Maximum (LGM) in northern Europe. Controversy has arisen concerning the local conditions, especially about the timing and extent of local ...

    • Natural and cultural heritage in mountain landscapes: towards an integrated valuation 

      Speed, James David Mervyn; Austrheim, Gunnar; Birks, Harry John Betteley; Johnson, Sally; Kvamme, Mons; Nagy, Laszlo; Sjøgren, Per Johan E; Skar, Birgitte; Stone, Duncan; Svensson, Eva; Thompson, Des B.A. (Peer reviewed; Journal article, 2012)
      Mountain areas of Europe have been managed by humans for a long time, leading to a prevalence of semi-natural habitats in mountain landscapes today. These landscapes contain both natural and cultural heritage; however, ...