The effects on terrestrial invertebrates of reducing pesticide inputs in arable crop edges: a meta-analysis
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Published source details
Frampton G.K. & Dorne J.L.C.M. (2007) The effects on terrestrial invertebrates of reducing pesticide inputs in arable crop edges: a meta-analysis. Journal of Applied Ecology, 44, 362-373.
Published source details Frampton G.K. & Dorne J.L.C.M. (2007) The effects on terrestrial invertebrates of reducing pesticide inputs in arable crop edges: a meta-analysis. Journal of Applied Ecology, 44, 362-373.
Actions
This study is summarised as evidence for the following.
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Reduce fertilizer, pesticide or herbicide use generally Action Link |
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Reduce fertilizer, pesticide or herbicide use generally Action Link |
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Reduce fertilizer, pesticide or herbicide use generally
A systematic review of 23 controlled studies (Frampton & Dorne 2007) found that restricting pesticide inputs on crop edges tended to increase moth and butterfly abundance. In six out of 11 studies, moth or butterfly adult or caterpillar abundance was higher where pesticide use was restricted than under normal application (data presented as model results). When both pesticide and herbicide were restricted, both the abundance and species richness of adult moths and butterflies doubled (data presented as model results). In most (9 out of 11) studies, the effect of reducing different pesticides (fungicide, herbicide, insecticide) or the effect of reducing pesticide or fertilizer inputs could not be distinguished from one another. Only controlled studies, comparing areas with higher (or normal) and lower (reduced or no) pesticide input were included. All studies came from Europe.
(Summarised by: Andrew Bladon, edited from Farmland synopsis)
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Reduce fertilizer, pesticide or herbicide use generally
A systematic review of 23 studies (Frampton & Dorne 2007) found that restricting herbicide inputs to crop edges tended to increase arthropod abundance. Studies mainly excluded or selectively used herbicides; studies excluding fungicides or insecticides separately were not available. Studies focused on ground beetles (Carabidae), true bugs (Heteroptera), rove beetles (Staphylinidae), butterflies (Lepidoptera) and grouped bird ‘chick-food’ insects. Abundance of true bugs was up to almost 13 times higher where herbicide use was restricted or where herbicides and fungicides or insecticides were restricted. For other invertebrates, restricted use generally increased abundance or had no impact. Only two species exhibited a significant decrease in abundance. In most (20 out of 23) studies, the possibility of confounding outcomes due to pesticide and fertilizer inputs could not be discounted.
Output references
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