2 The initial release of the SNBS in 2021 included an indicative diagram of the main nitrogen flows in Scotland. Nitrogen flow diagram
3 There is further run-off and leaching from other land uses, such as forestry and terrestrial ecosystems
4 National Focal Centre Trends report (2021) Trends in critical load and critical level exceedances in the UK.
5 Bell et al. (2021) Regional freshwater nitrogen budgets for Scotland. UKCEH Report for the Scottish Government
6 Lassaletta et al. (2014) 50 year trends in nitrogen use efficiency of world cropping systems: the relationship between yield and nitrogen input to cropland. Environmental Research Letters 9:105011.
7 OECD (2013) paper: Economy-wide nitrogen balances and indicators – concepts and methodology.
8 A nitrogen budget for Scotland (2019) UKCEH report to SEPA
23 UN ECE (2021) Guidance document on national nitrogen budgets: draft detailed annexes.
24 European Commission EUROSTAT (2013) Methodology and Handbook Eurostat/OECD Nutrient Budgets.
26 Also referred to as atomic number – see for example Periodic Table of Elements - PubChem (nih.gov): select “atomic number” as display property
27 Material Flow Accounts for Scotland (2021) Report and data by Zero Waste Scotland
29 Material Flow Accounts for Scotland (2021) Report and data by Zero Waste Scotland
There is a problem
Thanks for your feedback