Search Results - Tore Frogner

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  1. 1
    Nitrogen Enrichment of Nordic Forest Ecosystems: The Concept of Critical Loads

    Nitrogen Enrichment of Nordic Forest Ecosystems: The Concept of Critical Loads by Rosén, Kaj, Gundersen, Per, Lars Tegnhammar, Matti Johansson, Tore Frogner

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    Spatial patterns of spruce defoliation: relation to acid deposition, critical loads, and natural growth conditions in Norway

    Spatial patterns of spruce defoliation: relation to acid deposition, critical loads, and natural growth conditions in Norway by Nellemann, C. (Norges Lantbrukshoegskole, Aas (Norway). Inst. for Biologi og Naturforvaltning), Frogner, T

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    Critical Loads for Forest Soils in the Nordic Countries

    Critical Loads for Forest Soils in the Nordic Countries by Harald Sverdrup, Per Warfvinge, Tore Frogner, Arnt O. Håøya, Matti Johansson, Andersen, Bent

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