Distinguishing autotrophic and heterotrophic respiration based on diel oxygen change curves: revisiting Dr. Faustus

S. Kosten, B.O.L. Demars, B. Moss

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Abstract

* In his paper ‘Climate change, nutrient pollution and the bargain of Dr. Faustus’, Moss (Freshwater Biology, 55, 2010, 175) described the interacting and mutually reinforcing effects of climate change and nutrient pollution on aquatic ecosystems. * Among other things, Moss (Freshwater Biology, 55, 2010, 175) proposed a simple method for determining autotrophic and heterotrophic respiration rates (Ra and Rh) based on the diel oxygen change technique. Here, we show that one of the assumptions on which the method is based is flawed and that Ra and Rh cannot be derived mathematically from diel oxygen change curves. [KEYWORDS: autotrophs ecosystem respiration heterotrophs methods primary production]
Original languageEnglish
Pages (from-to)649-651
JournalFreshwater Biology
Volume59
Issue number3
DOIs
Publication statusPublished - 2014

Keywords

  • international

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