Articles | Volume 17, issue 16
Biogeosciences, 17, 4343–4353, 2020
https://doi.org/10.5194/bg-17-4343-2020
Biogeosciences, 17, 4343–4353, 2020
https://doi.org/10.5194/bg-17-4343-2020

Technical note 28 Aug 2020

Technical note | 28 Aug 2020

Technical note: Estimating light-use efficiency of benthic habitats using underwater O2 eddy covariance

Karl M. Attard and Ronnie N. Glud

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Cited articles

Adams, M. P., Ferguson, A. J. P., Maxwell, P. S., Lawson, B. A. J., Samper-Villarreal, J., and O'Brien, K. R.: Light history-dependent respiration explains the hysteresis in the daily ecosystem metabolism of seagrass, Hydrobiologia, 766, 75–88, https://doi.org/10.1007/s10750-015-2444-5, 2016. 
Al-Najjar, M. A. A., de Beer, D., Jørgensen, B. B., Kühl, M., and Polerecky, L.: Conversion and conservation of light energy in a photosynthetic microbial mat ecosystem, ISME J., 4, 440–449, https://doi.org/10.1038/ismej.2009.121, 2010. 
Al-Najjar, M. A. A., de Beer, D., Kühl, M., and Polerecky, L.: Light utilization efficiency in photosynthetic microbial mats, Environ. Microbiol., 14, 982–992, https://doi.org/10.1111/j.1462-2920.2011.02676.x, 2012. 
Attard, K. M. and Glud, R. N.: Technical note: Estimating light-use efficiency of benthic habitats using underwater O2 eddy covariance, https://doi.org/10.5061/dryad.xwdbrv1bv, 2020. 
Attard, K. M., Glud, R. N., McGinnis, D. F., and Rysgaard, S.: Seasonal rates of benthic primary production in a Greenland fjord measured by aquatic eddy correlation, Limnol. Oceanogr., 59, 1555–1569, https://doi.org/10.4319/lo.2014.59.5.1555, 2014. 
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Short summary
Light-use efficiency defines the ability of primary producers to convert sunlight energy to primary production. This report provides a framework to compute hourly and daily light-use efficiency using underwater eddy covariance, a recent technological development that produces habitat-scale rates of primary production for many different habitat types. The approach, tested on measured flux data, provides a useful means to compare habitat productivity across time and space.
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