This paper questioned the methodology of a recent publication from UK government advisory agency, Natural England, and argued that the review is incomplete and misrepresented evidence on prescribed fire. The authors recommended ways to enhance the review’s value to researchers, practitioners and policymakers.
Nearly a decade after the first publication of “Carbon Storage and Sequestration by Habitat” (henceforth Gregg et al.), in 2021 Natural England updated their evidence review. Responding to this publication, however, the authors of this paper outlined a number of concerns about the underlying methodologies and the ways in which the evidence had been synthesised.
The authors first highlighted their concerns with the review protocols of the publication, in that Gregg et al. did not describe these processes in detail. Though Gregg et al. point to their use of a red, amber, green (RAG) assessment system, they do not provide information as to how evidence was categorised. The authors were concerned by this lack of transparency.
The also argued that evidence relating to prescribed fire impacts on blanket bog ecosystems is misrepresented by Gregg et al. on eight fronts, including overstating the value of raising water levels to reduce fire risk; distorting the role and impact of fire in the history of blanket bog formation and perpetuation; overlooking key evidence and misreporting of findings of Heinemeyer et al (2019).
The authors therefore recommended that Gregg et al. ought to:
The authors argued that, since growing evidence supports prescribed fire as a useful and potentially beneficial management tool for blanket bog ecosystems, a judicious, unbiased approach based on robust assessments is now more necessary than ever.
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