@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix unece: <https://test-vocab.trade-commons.org/> .

<https://test-vocab.trade-commons.org/performance-metrics/nitrogen-discharge-to-water> a skos:Concept ;
    dcterms:provenance "Proposed Vocab addition" ;
    skos:broader <https://test-vocab.trade-commons.org/performance-metrics/pollution> ;
    skos:definition "Total mass of nitrogen discharged to water over the reporting period, in tonnes. Reported as a load rather than a concentration, because a load aggregates across sites and is what drives downstream eutrophication."@en ;
    skos:inScheme <https://test-vocab.trade-commons.org/performance-metrics/> ;
    skos:notation "06.07" ;
    skos:prefLabel "Nitrogen Discharged to Water"@en ;
    skos:scopeNote "ESRS E2-4 asks for pollutants emitted to water as a mass in tonnes, so a load is what the framework expects; EU Urban Waste Water Treatment Directive. A concentration is derived by pairing this with water discharge volume, and is not reported directly because concentrations cannot be summed across sites."@en ;
    unece:aggregationMethod <https://test-vocab.trade-commons.org/aggregation-type/sum> ;
    unece:allowedUnit <https://test-vocab.trade-commons.org/unit-of-measure/TNE> ;
    unece:improvementDirection <https://test-vocab.trade-commons.org/improvement-indicator/lower> .