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Buffer zones for biodiversity of plants and arthropods: is there a compromise on width?
Model 14 Linear mixed model for comparing width of buffers, distance from hedge (including observation ”in the middle” of the field) and sampling period. The model include the fixed effects of: field, location (close to hedge or ”in the middle” of the field), width of buffers, distance from hedge and sampling period as well as 2-way interaction between location and sampling period, 2- and 3-way interactions between buffer widths, distance from hedge and sampling period. The effect of field, both types of whole-plot, sub-plots and residual are includes as random effects..

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Version 1.0 November 2009, © Danish Environmental Protection Agency
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