When form does not predict function: empirical evidence violates functional form hypotheses for marine macroalgae

Emily Ryznar, Peggy Fong & Caitlin Fong
1) Functional groups are widely used to reduce complexity and generalize across ecological communities. These models assume that shared traits among species correspond to some ecological role, process, or function, and that these traits can be leveraged to generate meaningful and distinct functional groups so that intergroup trait variation exceeds intragroup variation. 2) We sought to validate the assumptions of the widely used Functional Group Model (FGM) for marine macroalgae, which groups species based on...
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