Diversity of zooplankton (zooplankton) prey in
each of 5 replicate blocks (block) of three
treatment levels (treatment). By default,
block is not coded as a factor.
Arguments
source
inferred from Svanbäck, R. and D.I. Bolnick. 2007.
Intraspecific competition drives increased resource use
diversity within a natural population. Proceedings
of the Royal Society of London Series B, Biological
Sciences 274: 839-844.