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      Nitrogen Critical Loads: Critical Reflections on Past Experiments, Ecological Endpoints, and Uncertainties

      review-article
      1 , 2 ,
      Dose-Response
      SAGE Publications
      critical loads, nitrogen, uncertainty

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          Abstract

          Nitrogen Critical Loads (NCL), as purported ecological dose-response outcomes for nitrogen deposition from anthropogenic sources, play a central role in environmental policies around the world. In the Netherlands, these NCL are used to assess, via calculations using the model AERIUS, to what extent NCL are exceeded for different habitats as a result of different sources such as industry, agriculture, traffic. NCL are, however, not well defined, and are subject to hitherto unrecognized forms of uncertainty. We will address this with reference to a number of key studies that forms the basis for several NCL. We will subsequently propose amendments that could be applicable to future nitrogen studies and their enhanced relevancy in decision making.

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          Growth-Limiting Nutrients in Sphagnum-Dominated Bogs Subject to Low and High Atmospheric Nitrogen Supply

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            Raised atmospheric CO2 levels and increased N deposition cause shifts in plant species composition and production in Sphagnum bogs

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              • Article: not found

              Nitrogen fertilization reduces Sphagnum production in bog communities

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                Author and article information

                Journal
                Dose Response
                Dose Response
                spdos
                DOS
                Dose-Response
                SAGE Publications (Sage CA: Los Angeles, CA )
                1559-3258
                16 February 2022
                Jan-Mar 2022
                : 20
                : 1
                : 15593258221075513
                Affiliations
                [1 ]universityIndependent Researcher; , Detroit, MA, USA
                [2 ]Ringgold 59943, universityUniversity College Roosevelt; , Middelburg, Netherlands
                Author notes
                [*]Jaap C. Hanekamp, Environmental Health Sciences, University of Massachusetts, Amherst, MA, USA. Email: j.hanekamp@ 123456ucr.nl and hjaap@ 123456xs4all.nl
                Author information
                https://orcid.org/0000-0002-6575-3658
                Article
                10.1177_15593258221075513
                10.1177/15593258221075513
                8855399
                75d23000-7508-469a-b5f9-130966a375a2
                © The Author(s) 2022

                This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License ( https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages ( https://us.sagepub.com/en-us/nam/open-access-at-sage).

                History
                : 29 November 2021
                : 4 January 2022
                : 4 January 2022
                Categories
                Review
                Custom metadata
                January-March 2022
                ts10

                critical loads,nitrogen,uncertainty
                critical loads, nitrogen, uncertainty

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