Articles | Volume 14, issue 17
Biogeosciences, 14, 3979–3994, 2017
Biogeosciences, 14, 3979–3994, 2017

Research article 14 Sep 2017

Research article | 14 Sep 2017

Interplay of community dynamics, temperature, and productivity on the hydrogen isotope signatures of lipid biomarkers

S. Nemiah Ladd et al.

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Cited articles

Atwood, A. R. and Sachs, J. P.: Separating ITCZ-and ENSO-related rainfall changes in the Galápagos over the last 3 kyr using D∕H ratios of multiple lipid biomarkers, Earth Planet. Sc. Lett., 404, 408–419,, 2014.
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Bürgi, H. R., Heller, C., Gaebel, S., Mookerji, N., and Ward, J. V.: Strength of coupling between phyto-and zooplankton in Lake Lucerne (Switzerland) during phosphorus abatement subsequent to a weak eutrophication, J. Plankton Res., 21, 485–507,, 1999.
Chivall, D., M'Boule, D., Sinke-Schoen, D., Damsté J. S. S., Schouten, S., and van der Meer, M. T. J.: The effects of growth phase and salinity on the hydrogen isotopic composition of alkenones produced by coastal haptophyte algae, Geochim. Cosmochim. Ac., 140, 381–390,, 2014.
Craig, H. and Gordon, L.: Deuterium and oxygen 18 variations in the ocean and the marine atmosphere, in: Proceedings of a Conference on Stable Isotopes in Oceanographic Studies and Paleotemperatures, edited by: Tongiori, E., CNR-Laboratorio di Geologia Nucleare, Pisa, Italy, 9–130, 1965.
Short summary
Hydrogen isotopes of lipids provide valuable information about microbial activity, climate, and environmental stress. We show that heavy hydrogen in fatty acids declines from spring to summer in a nutrient-rich and a nutrient-poor lake and that the effect is nearly 3 times as big in the former. This effect is likely a combination of increased biomass from algae, warmer temperatures, and higher algal growth rates.
Final-revised paper