osa.old.growth {sprex}

Osa beetle species counts

Description

Matrices of the number of beetle species (fi) occuring i times in a survey.

Usage

data(osa.old.growth)
data(osa.second.growth)

References

Janzen DH (1973) Sweep samples of tropical foliage insects: effects of seasons, vegetation types, elevation, time of day, and insularity. Ecology 54:687-708.
Janzen DH (1973) Sweep samples of tropical foliage insects: description of study sites, with data on species abundances and size distributions. Ecology 54:659-86.