• Biological intercalibration: Invertebrates 2019 

      Velle, Gaute; Birkeland, Ina Bakke; Johannessen, Arne; Landås, Torunn Svanevik (NIVA-rapport;7433, Research report, 2019)
      Two laboratories participated in the 23rd biological intercalibration of invertebrates in the ICP Waters programme. The intercalibration is important for harmonising taxonomic work across countries and is of high value ...
    • Biological intercalibration: Invertebrates 2020 

      Velle, Gaute; Birkeland, Ina Bakke; Johannessen, Arne; Landås, Torunn Svanevik (NIVA-rapport;7556, Report, 2020)
      The 24th biological intercalibration of invertebrates in ICP Waters included three laboratories. The intercalibration is important for harmonizing taxonomic work across countries, to ensure high quality data in the ICP ...