期刊
SCIENCE OF THE TOTAL ENVIRONMENT
卷 639, 期 -, 页码 769-772出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.scitotenv.2018.05.192
关键词
Net ecosystem exchange; Vegetation volume; Chamber flux measurements; Calluna vulgaris; Peatlands
资金
- Defra [BD5104]
Chamber carbon flux measurements are routinely used to assess ecosystemcarbon sink/source dynamics. Often these point measurements enclose considerable vegetation biomass, with fluxes upscaled in space and time for each vegetation type. Here we assess the importance of including the volume of peatland dwarf shrub vegetation in chamber flux calculations and outline a simple but effective method of assessing plant volumes. We show that inclusion of plant volumes significantly affects fluxes and that this effect becomes greater as the proportion of chamber volume occupied by plants increases. Moreover, we demonstrate that, with an initial destructive laboratory assessment for each plant species and a little practice at volume estimation, plant volumes can be accurately assessed non-destructively in the field. (C) 2018 The Authors. Published by Elsevier B.V.
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