[1649] - A simple method for in-situ assessment of soil respiration using alkali absorption

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Schiedung, H., Bauke, S., Bornemann, L., Welp, G., Borchard, N., Amelung, W., 2016. A simple method for in-situ assessment of soil respiration using alkali absorption. Applied Soil Ecology, 106, 33 - 36. DOI: 10.1016/j.apsoil.2016.05.002.
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Title(s):Main Title: A simple method for in-situ assessment of soil respiration using alkali absorption
Description(s):Abstract: Lacking knowledge about the spatial heterogeneity of heterotrophic soil respiration (Rh) hampers the prediction of larger-scale soil CO2 efflux in patchy landscapes. The aim of this study was to establish a cost-efficient method for the rapid and simultaneous assessment of cumulative heterotrophic soil respiration (CO2) at different sample spots. For this purpose, we adapted the laboratory-based, fully- automated Respicond VIII respirometer (Respicond) to detect CO2 emission under field condition, installed the device in two temperate grasslands, and compared the Rh flux data with those obtained using the so-called dynamic chamber method with infrared gas analyzers (IRGA). The results revealed good agreement between both Rh measurements (Slope = 0.89, R2 = 0.99). We conclude that adapting the Respicond for detection of CO2 under field conditions is principally feasible, thus providing a new tool for the simultaneous assessment of CO2 fluxes from different soil ecosystems.
Identifier(s):DOI: 10.1016/j.apsoil.2016.05.002
Responsible Party
Creator(s):Author: Henning Schiedung
Author: Sara Bauke
Author: Ludger Bornemann
Author: Gerd Welp
Author: Nils Borchard
Author: Wulf Amelung
TR32 Topic:Soil
Related Sub-project(s):B3
Subject(s):CRC/TR32 Keywords: Soil Respiration, Soil
File Details
File Name:Schiedung_2016.pdf
Data Type:Text
File Size:470 kB (0.459 MB)
Date(s):Date Accepted: 2016-05-04
Mime Type:application/pdf
Data Format:PDF
Download Permission:OnlyTR32
General Access and Use Conditions:According to the TR32DB data policy agreement.
Access Limitations:According to the TR32DB data policy agreement.
Licence:TR32DB Data policy agreement
Measurement Region:Kall
Measurement Location:Rollesbroich
Specific Informations - Publication
Article Type:Journal
Source:Applied Soil Ecology
Number Of Pages:4
Page Range:33 - 36
Metadata Details
Metadata Creator:Nele Meyer
Metadata Created:2017-05-18
Metadata Last Updated:2017-05-18
Funding Phase:2
Metadata Language:English
Metadata Version:V41
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