Designs for greenhouse studies of interactions between plants: an analytical perspective

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Identifying mechanisms of competition in multi‐species communities (2007, background): “A variety of studies (Watkinson 1981; Firbank & Watkinson 1985; Law & Watkinson 1987; Silander & Pacala 1990; Freckleton & Watkinson 1997, 1999, 2000a, b, 2001a,b) have shown that plant competition is well described by the hyperbolic function:”
Experiment designs to evaluate inter- and intra-specific interactions in mixed plantings of forest trees (2006, methodology): “demonstrated the utility of regression techniques in appraising plant competition ( Freckleton and Watkinson 2000, 2001 ).”
How to quantify competitive ability (2018, background): “While competition coefficients can, in principle, be estimated by growing single individuals against each other (minimal design), a more powerful approach would grow focal individuals against gradients of conspecific and heterospecific densities (Freckleton & Watkinson, 2000).”
Indices of plant competition (2003, background): “Partly because of problems relating to mathematical properties, some authors (Goldberg & Scheiner 1993; Freckleton & Watkinson 1997, 1999, 2000; Sackville Hamilton 2001) argue against the use of indices in general and recommend the use of yield density functions and regression analysis instead.”