Flora and Fauna Changes During Conversion from Conventional to Organic Farming
Table 4.2.
Summary of the anovas of the occurrence of Skylarks on the study fields before and
after conversion to organic farming. P values of significant factors are shown. A
"ns" indicates that the factor was included in the reduced model but was not itself
significant. For each of the three summary statistics tested, the percentage of
variation explained by the reduced model is given in brackets.
Mean (62%)
Slope (75%)
Curvature (38%)
Period
< 0.0001
ns
Year(Period)
0.0019
Crop
0.0066
ns
0.0003
Crop×Period
0.0028
Field
Plot(Field)
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