Abstract
Key message
A flexible stem respiration chamber was developed and successfully employed in a feasibility study in a tropical forest.
Abstract
We present a flexible chamber to measure the CO2 efflux from tree bark. The easy-to-use chamber is made of stainless steel and is clamped around an individual tree stem section; it uses a portable gas analyzer to retrieve the stem respiration value. Using the individual data points in combination with data from a forest inventory, the data can, in principle, be up-scaled to achieve the stand-scale stem respiration. We performed a feasibility study in a young forest plantation in tropical southern Taiwan, which yielded robust and meaningful results.
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Acknowledgements
We thank Jun-Shyang Chiu and Ding-Hong Yeh who provided assistance in the field. This study was supported by the Experimental Forest of National Taiwan University. We gratefully acknowledge English language editing of the manuscript by C. Brennecka.
Funding
This study was funded by German Academic Exchange Service (DAAD) and the Taiwan Ministry of Science and Technology (MoST) through their joint Project-based Personnel Exchange Program (PPP) under Grants 57392649, 107-2911-I-002-543, and 108-2911-I-002-512, respectively.
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EME and OK conceived and designed the experiments. EME and BB cperformed the experiments. YJL and JCY supplied stock inventory data and provided logistical support. ILL helped with physiological expertise and during the field experiments. EME, ILL, and OK drafted the manuscript.
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Esders, E.M., Klemm, O., Breuer, B. et al. Use of a flexible chamber to measure stem respiration. Trees 35, 319–323 (2021). https://doi.org/10.1007/s00468-020-02009-3
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DOI: https://doi.org/10.1007/s00468-020-02009-3