Kirschbaum, Miko; Bruhn, Dan; Etheridge, David; Evans, John; Gifford, Roger M; Paul, Keryn; Winters, Anthony J; Farquhar, Graham
A recent study by Keppler et al. (2006; Nature 439, 187-191) demonstrated CH4 emission from living and dead plant tissues under aerobic conditions. This work included some calculations to extrapolate the findings from the laboratory to the global scale and led various commentators to question the value of planting trees as a greenhouse mitigation option. The experimental work of Keppler et al. (2006) appears to be largely sound, although some concerns remain about the quantification of emission...[Show more]
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