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Official Report: search what was said in Parliament

The Official Report is a written record of public meetings of the Parliament and committees.  

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Dates of parliamentary sessions
  1. Session 1: 12 May 1999 to 31 March 2003
  2. Session 2: 7 May 2003 to 2 April 2007
  3. Session 3: 9 May 2007 to 22 March 2011
  4. Session 4: 11 May 2011 to 23 March 2016
  5. Session 5: 12 May 2016 to 5 May 2021
  6. Current session: 12 May 2021 to 17 April 2025
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Displaying 5477 contributions

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Rural Affairs, Islands and Natural Environment Committee

Subordinate Legislation

Meeting date: 17 November 2021

Finlay Carson

Excellent. That completes consideration of the affirmative instrument. I thank the cabinet secretary and her officials for attending.

09:30 Meeting suspended.  

09:42 On resuming—  

Rural Affairs, Islands and Natural Environment Committee

Climate and Nature Emergencies

Meeting date: 17 November 2021

Finlay Carson

We will move to our next theme, on forestry.

Rural Affairs, Islands and Natural Environment Committee

Climate and Nature Emergencies

Meeting date: 17 November 2021

Finlay Carson

Before I bring in Susan Davies, I have a quick question. Professor Austin, you mentioned bottom trawling, which is an emotive point—you might regret mentioning it. You suggested that there was some evidence that the bottom trawling industry emits as much carbon as aviation, but you said that that was a weak argument. That is an issue in which science is crucial in ensuring that we address the big-ticket issues rather than the ones that produce an emotive response.

With regard to blue carbon, there are the physical disturbances that we have discussed and there is climate change, as well as land use and land management changes. Exactly how critical in that equation is physical disturbance in comparison with other climate change factors with regard to carbon dioxide in the ocean, the ability to sequestrate carbon dioxide and whether we are at the tipping point for that changing? Just how important is physical disturbance in the big picture?

Rural Affairs, Islands and Natural Environment Committee

Climate and Nature Emergencies

Meeting date: 17 November 2021

Finlay Carson

For a final word on that question, we will hear from Bill Austin.

Rural Affairs, Islands and Natural Environment Committee

Climate and Nature Emergencies

Meeting date: 17 November 2021

Finlay Carson

We move on to the theme of marine protection and enhancement. Ariane will kick things off.

Rural Affairs, Islands and Natural Environment Committee

Climate and Nature Emergencies

Meeting date: 17 November 2021

Finlay Carson

Is there anybody in particular that you would like to address the question to, Ariane?

Rural Affairs, Islands and Natural Environment Committee

Climate and Nature Emergencies

Meeting date: 17 November 2021

Finlay Carson

Is Rob Brooker coming in?

Rural Affairs, Islands and Natural Environment Committee

Climate and Nature Emergencies

Meeting date: 17 November 2021

Finlay Carson

That takes us smoothly on to our second theme, which is peatlands and soils.

Rural Affairs, Islands and Natural Environment Committee

Climate and Nature Emergencies

Meeting date: 17 November 2021

Finlay Carson

Is there a suggestion that, at the moment, renewables sector developers might be greenwashing by saying, “We might be displacing peat here, but we will restore it somewhere else”?

Rural Affairs, Islands and Natural Environment Committee

Climate and Nature Emergencies

Meeting date: 17 November 2021

Finlay Carson

We are lucky to have two experts from the James Hutton Institute with us, so I will bring in Rob Brooker at this point.

From knowledge gained, as I have said, many years ago in the soil science department of Aberdeen University, I know that microbiology plays a huge role in this matter. The more artificial nitrogen we use, the less we rely on the microbes in the soil to fix It; in other words, microbiological and other matter in the soil is very good at allowing plants to take up nutrients, and the more artificial fertiliser we use, the less we rely on those microbes. As a result, reducing the use of artificial fertiliser has the regenerative effect of allowing these microbes to do their job again, and there is a tipping point at which the return on investment in terms of yield through the use of artificial fertiliser reduces. You do not get as big a bang for your buck, so to speak.

If that is correct, should the science be helping farmers with the decision to reduce their use of nitrogen and artificial fertilisers, given that, after a period, productivity that might have fallen will increase as the microbes in the soil start to do their job again? Again, this brings us back to the transition issue, but does part of the solution lie in knowledge transfer from you guys—the scientists—to grass-roots farmers to persuade them that doing things differently will not, in the long term, affect their bottom line and economic sustainability?

I am just seeing whether anyone is nodding. Would Pete Smith like to respond to that? [Interruption.] I beg your pardon—I had said that Rob Brooker would respond.