www.ecn.nl oecd and nitrogen budget indicators albert bleeker
Post on 15-Jan-2016
220 Views
Preview:
TRANSCRIPT
www.ecn.nl
OECD and Nitrogen Budget IndicatorsAlbert Bleeker
Current Nitrogen Indicators
• OECD – Soil nitrogen balance• CBD – Nitrogen deposition
• Missing the ‘big nitrogen picture’• Extending to:
– Other sectors/sources (industry, traffic, waste water, etc.)– Other themes (air quality, biodiversity, eutrophication, etc.)
• Include these indicators into the OECD:– Green Growth Indicator set– Core Indicator set
Starting point
• Nitrogen Budget developed for countries and Europe
• Published in:– European Nitrogen Assessment
(2011)
Possible new indicators
• Using information from the Nitrogen Budget, indicators can be derived, e.g.:– Trend in emissions/release by compound/sector– Trend in application/deposition per area– Nitrogen Use Efficiency per country/production state– Nitrogen Loss per capita/km2/country– ….
Proposal Level 1,2 & 3 approach
• Level 1: easily implementable approach based on available statistics• Level 2: refined Level 1 version based on national statistical information• Level 3: combining national statistics with national conversion parameters
Level 1 approach
• Easily implementable• Based on internationally available statistics• Currently also used as a new indicator under the Convention on Biological
Diversity– CBD Target 8 Indicator– “Loss of reactive nitrogen to the environment”
• Show the nitrogen loss due to:– Production of food– Processing of food– Consumption of food– Use of energy
Nitrogen balances and indicatorsTier 1 approach and results
top related