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Effects of Mechanical Weed Control in Spring Cereals – Flora, Fauna and Economy Appendix C - The statistical models used for analysing plant, arthropod and bird data Model 1 (Number of weed species and hits in 2004) Click here to see Model 1 (Number of weed species and hits in 2004). Model 2, 3 and 4 (weed and crop biomass and number of arthropods over both years) Model 2, 3 and 4 (weed and crop biomass and number of arthropods over both years). Model 5 (Pitfall trapping of arthropods in 2004) Model 5 (Pitfall trapping of arthropods in 2004) Model 6 and 7 (Linear effect of vegetation on arthropod abundance within field) Model 6 and 7 (Linear effect of vegetation on arthropod abundance within field) Model 8 (Non-linear effect of vegetation effect on arthropod abundance accross fields) Model 8 (Non-linear effect of vegetation effect on arthropod abundance accross fields) Model 9, 10 and 11 (Field arena experiment) Model 9, 10 and 11 (Field arena experiment) Model 12, 13 and 14 (Birds)
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