Table 1.

Parameter estimates and likelihood ratio tests of the GLMM for the abundance of all pollinators found foraging on the strawberry crop

Fixed effects	Estimate	Standard error	Δ Log likelihood	χ2	χ2 df	P
Intercept	−332.402	119.201
Treatment	0.221	0.079	−3.86	7.726	1	0.005
Flowers on crop	0.025	0.003	−31.63	63.272	1	<0.001
Temperature	−0.041	0.016	−3.32	6.638	1	0.009
Date	0.008	0.004	−1.51	3.031	1	0.082
Year of sowing1	0.291	0.235	−0.53	1.064	1	0.302
Random effect variance
Farm	0.039
Tunnel/Farm	<0.001

¹Strips established in second year.