Pesticides Research, 127, 2010

Buffer zones for biodiversity of plants and arthropods: is there a compromise on width?


This report sum up the results of a one-year investigation on the effects of different widths of fertilizer and pesticide free buffer zones along hedges. It was demonstrated, that a buffer zone width of only 6 m is sufficient to ensure a marked increase of biodiversity along and in spring barley fields. An even broader buffer zone will always add a little further to the biodiversity. The very clear results suggest, that 6 m buffer zones might serve as a mean to counteract the loss of biodiversity in arable land. The biodiversity benefits obtained can immediately be monitored through standardised counts of butterflies with possible detailed follow-up by further plant and insect assessments.

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