Study

Reduced pesticide inputs on cereal field margins: the effects on butterfly abundance

  • Published source details Dover J., Sotherton N. & Gobbett K.A.Y. (1990) Reduced pesticide inputs on cereal field margins: the effects on butterfly abundance. Ecological Entomology, 15, 17-24.

Actions

This study is summarised as evidence for the following.

Action Category

Leave headlands in fields unsprayed (conservation headlands)

Action Link
Farmland Conservation
  1. Leave headlands in fields unsprayed (conservation headlands)

    A continuation of the same replicated, controlled, paired study as in (Rands & Sotherton 1986) in Hampshire, UK, (Dover et al. 1990), found that butterfly (Lepidoptera) abundance was greater on conservation headlands than on conventional headlands over a further three years (1985-1987). Between 1984 and 1987, 29 species of butterfly were recorded, of which 13-21 were on conservation and 13-17 on conventional headlands each year. Significantly more individuals were found on conservation headlands (222-472/km) than on conventional headlands (80-259/km) in all years. This study was part of the same experimental set-up as (Rands et al. 1984, Rands 1985, Rands 1986, Rands & Sotherton 1986, Sotherton 1991, Dover 1997).

     

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