In March 2018 we updated the Search by Location and Site Relevant Critical Loads tools in APIS to use background pollution maps based on a 3-year average for 2014-2016. An error has been discovered with the underlying gas and particulate matter monitoring data upon which the background maps are based. This affects the results for only the year 2016. It is probable that the 3-year average will be affected only slightly, however, the 2016 mapping is currently being re-run to quantify changes. As a precautionary measure for the meantime, we have reverted back to the 2013-2015 datasets in APIS and will re-issue the 2014-2016 maps as soon as they are available. The source attribution data in the Site Relevant Critical Loads tool has not been changed and continues to be based on 2012 emissions data.
Defra have recently published a code of good agricultural practicefor reducing ammonia emissions’ (COGAP) for England. It is a voluntary guidance code that is relevant to many farming practices and has been written specifically for English farming systems. There is also an accompanying video on YouTube here.”
The annual CAPER (the Committee for Air Pollution Effects Research) conference provides an opportunity for researchers and policy makers on air quality effects to meet to present and informally discuss new advances in this rapidly developing field.
JNCC has published a report describing the development of a decision framework to provide a means of attributing nitrogen deposition as a threat to, or cause of, unfavourable habitat condition on protected sites.