Flora and Fauna Changes During Conversion from Conventional to Organic Farming
Table 3.7.
Schematic summary of Lepidoptera densities analysed in relation to the density of
flowering dicotyledonous weeds. P-values of significant factors are given (p < 0.05).
The percentage of variation explained by the reduced model is given in brackets.
Factor
Class / Continuous
Lepidoptera adults (93%)
Period
Class variable
Year(Period)
Class variable
<0.0001
Crop
Class variable
Crop×Period
Class variable
Field
Class variable
0.0004
Plot(Field)
Class variable
Density of flowering weeds
Covariate
0.0053
Density of flowering weeds×Crop×Period
Covariate
|