Blar i NIVA Open Access Archive på forfatter "Johansson, K."

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    • Heavy metal surveys in Nordic lakes harmonised data for regional assessment of critical limits 

      Skjelkvåle, B.L.; Mannio, J.; Wilander, A.; Johansson, K.; Jensen, J.P.; Fjeld, E.; Andersen, Tom; Vuorenmaa, J.; Røyset, O. (NIVA-rapport;4039, Research report, 1999)
      In the autumn of 1995, national lake surveys were conducted in the Nordic countries. The surveys were co-ordinated with respect to lake selection strategy, analytical methods, sampling techniques and sampling period. The ...