LarvalFish {abd} | R Documentation |
Age (age
) and coefficient of variation (cv
) in larval fish
from exploited and unexploited species (exploited
).
A data frame with 28 observations on the following 3 variables.
a numeric vector
a numeric vector
a factor with levels no
and
yes
Hsieh, C.H., C.S. Reiss, J.R. Hunter, J.R. Beddington, R.M. May, and G. Sugihara. 2006. Fishing elevates variability in the abundance of exploited species. Nature 443: 859-862.
str(LarvalFish)
xyplot(cv ~ age | exploited, LarvalFish)
xyplot(cv ~ age, groups=exploited, LarvalFish)