We need to talk about Nitrogen...

Nitrogen in the air is one of the greatest threats to our wild plants, lichens and fungi, yet little is being done to tackle it.

Harebells

The evidence is clear. Nitrogen has built up in the atmosphere from burning fossil fuels and intensive farming. Transport, power stations, industry, farm fertilisers and livestock are all major sources of nitrogen oxides and ammonia emissions.

Deposited directly from the air and in rain, the nitrogen enriches the soil, creates acidic conditions and causes direct damage to our flora. Over two thirds of our wild flowers, plants like harebell (Campanula rotundifolia) and betony (Betonica officinalis) require low or medium levels of nitrogen. Only robust species, such as nettle (Urtica dioica), cleavers (Galium aparine) and hemlock (Conium maculatum) thrive in nutrient enriched soils.

Woodlands, grasslands, heaths and bogs have all become colonised by nitrogen-loving plants, with knock-on effects for all our wildlife. In 2014, 90% of land in Special Areas of Conservation (SACs) in England and Wales received excessive levels of nitrogen; for the UK as a whole it was 63%.

The impacts of nitrogen deposition may be a far more immediate than climate change, but we don’t hear it talked about by environmentalists very often – nitrogen is the ‘elephant in the room’ of nature conservation.

Armed with powerful evidence and practical solutions, Plantlife is ‘talking about nitrogen’ with governments and partners across the UK to drive forward the action that is so urgently needed.

In 2018, our new report calls on the Welsh authorities to take action to regulate ammonia from intensive farming to protect Wales’s unique wildlife. The UK government’s Clean Air Strategy is out for consultation until 14th August 2018 and we’re pushing for stronger measures to protect wildlife – you can make your voice heard too.

What is Plantlife calling for?

  • Impacts of nitrogen emissions to be tackled through government strategies on climate change, air quality, water quality and natural capital accounting.
  • Nitrogen levels to be taken into account in monitoring and management of wildlife habitats – particularly on Areas and Sites of Special Scientific Interest.
  • Statutory action plans in severely-affected areas to reduce local emissions and restore damaged habitats.
  • A coordinated UK framework providing effective regulation, incentives, advice and support to enable farmers to reduce nitrogen emissions.
  • Greater public awareness of the impacts of air pollution on plants and ecosystems, putting pressure on governments and others to take urgent action.

What can you do?

Find out more:

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We need to talk about Nitrogen (Welsh report)

A call to protect Wales’ internationally important wild flora and fungi from air pollution.

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We need to talk about Nitrogen...

This short publication summarises current evidence and provides background information to raise awareness of atmospheric nitrogen deposition, where it is coming from, where it is affecting semi-natural habitats, the impacts on habitats, plants and fungi, and how it is recorded. The paper provides further information sources that set out what can be done to address this issue – be that by a member of the public, a land owner or manager, or by governments.

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A Clean Air Strategy For Plants And Fungi?

"We’ve been looking out for the UK government’s new Clean Air Strategy – this is the next big step forward in our campaign to protect wild plants and fungi from air pollution."

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