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\bibitem{Fortunel_etal2009} Fortunel, C., Violle, C., Rourmet, C., Buatois, B., Navas, M. L., \& Garnier, E. (2009). Allocation strategies and seed traits are hardly affected by nitrogen supply in 18 species differing in successional status. \textit{Perspect. Plant Ecol. Evol. Syst.}, \textit{11}(4), 267--283.

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