Key points are not available for this paper at this time.
In the article Dominance and the niche in ecological systems by S. J. McNaughton and L. L. Wolf (p. 131, 9 Jan.), equation 4 on page 132 should read w = σ( y p • p 2 ) - [σ( y p • p ) 2 / σ y ] ½ σ y
McNaughton et al. (Fri,) studied this question.