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Biol Lett. 2010 June 23; 6(3): 287–289.
Published online 2009 December 16. doi:  10.1098/rsbl.2009.0950
PMCID: PMC2880061

Stable isotope views on ecosystem function: challenging or challenged?

Abstract

Stable isotopes and their potential for detecting various and complex ecosystem processes are attracting an increasing number of scientists. Progress is challenging, particularly under global change scenarios, but some established views have been challenged. The IX meeting of the Spanish Association of Terrestrial Ecology (AAET, Úbeda, 18–22 October 2009) hosted a symposium on the ecology of stable isotopes where the linear mixing model approach of partitioning sinks and sources of carbon and water fluxes within an ecosystem was challenged, and new applications of stable isotopes for the study of plant interactions were evaluated. Discussion was also centred on the need for networks that monitor ecological processes using stable isotopes and key ideas for fostering future research with isotopes.

Keywords: carbon isotopes, mixing models, monitoring networks, oxygen isotopes, plant interactions, water isotopes

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