globalchange  > 气候变化事实与影响
Scopus记录号: 2-s2.0-85058052021
论文题名:
Experimental evidence for sustained carbon sequestration in fire-managed, peat moorlands
作者: Marrs R.H.; Marsland E.-L.; Lingard R.; Appleby P.G.; Piliposyan G.T.; Rose R.J.; O’Reilly J.; Milligan G.; Allen K.A.; Alday J.G.; Santana V.; Lee H.; Halsall K.; Chiverrell R.C.
刊名: Nature Geoscience
ISSN: 17520894
出版年: 2019
卷: 12, 期:2
起始页码: 108
结束页码: 112
语种: 英语
Scopus关键词: abundance estimation ; carbon sequestration ; experimental study ; fire management ; moorland ; prescribed burning ; soil carbon ; species diversity ; stratigraphy
英文摘要: Peat moorlands are important habitats in the boreal region, where they store approximately 30% of the global soil carbon (C). Prescribed burning on peat is a very contentious management strategy, widely linked with loss of carbon. Here, we quantify the effects of prescribed burning for lightly managed boreal moorlands and show that the impacts on peat and C accumulation rates are not as bad as is widely thought. We used stratigraphical techniques within a unique replicated ecological experiment with known burn frequencies to quantify peat and C accumulation rates (0, 1, 3 and 6 managed burns since around 1923). Accumulation rates were typical of moorlands elsewhere, and were reduced significantly only in the 6-burn treatment. However, impacts intensified gradually with burn frequency; each additional burn reduced the accumulation rates by 4.9 g m −2 yr −1 (peat) and 1.9 g C cm −2 yr −1 , but did not prevent accumulation. Species diversity and the abundance of peat-forming species also increased with burn frequency. Our data challenge widely held perceptions that a move to 0 burning is essential for peat growth, and show that appropriate prescribed burning can both mitigate wildfire risk in a warmer world and produce relatively fast peat growth and sustained C sequestration. © 2018, The Author(s), under exclusive licence to Springer Nature Limited.
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/122616
Appears in Collections:气候变化事实与影响

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作者单位: School of Environmental Sciences, University of Liverpool, Liverpool, United Kingdom; Environmental Radioactivity Research Centre, Department of Mathematical Sciences, University of Liverpool, Liverpool, United Kingdom; Centre for Ecology & Hydrology, Bailrigg, United Kingdom; Ptyxis Ecology, Lambley, Brampton, United Kingdom; Institute of Integrative Biology, University of Liverpool, Liverpool, United Kingdom; Department of Vegetal Production & Forestry Science, University of Lleida, Lleida, Spain; Center for Environmental Studies in the Mediterranean, University of Alicante, Alicante, Spain; National Institute of Ecology, Seocheon-gun, South Korea

Recommended Citation:
Marrs R.H.,Marsland E.-L.,Lingard R.,et al. Experimental evidence for sustained carbon sequestration in fire-managed, peat moorlands[J]. Nature Geoscience,2019-01-01,12(2)
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