sit {Rcriticor}

Cereal aphids in Rennes

Description

Maximum populations (log transformed) of the aphid sitobion avenae in wheat fields from 1975 to 1981

Usage

data(sit)

Format

The format is: num [1:7] 2.08e-01 2.12 3.36e+01 1.08 9.99e-16 ...

Source

Pierre, J. S., Guillome, M. and Querrien, M. T. 1986. A Statistical and Graphic Method for Seeking in Which Periods of the Year Are the Animal Populations Peculiarly Sensitive to a Given Weather Component (Critical Periods of Time) - Application to the Case of Cereal Aphids. - Acta Oecologica-Oecologia Generalis 7: 365-380. (in french, english summary)

Examples

data(sit)
## maybe str(sit) ; plot(sit) ...