Matrices of the number of beetle species (fi
) occuring
i
times in a survey.
1 2 |
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.
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