Extended field margins - a new element of ecological compensation in farmed landscapes - deliver positive impacts for Articulata

  • Published source details Luka H., Uehlinger G., Pfiffner L., Muhlethaler R. & Blick T. (2006) Extended field margins - a new element of ecological compensation in farmed landscapes - deliver positive impacts for Articulata. Agrarforschung, 13, 386-391.


This study is summarised as evidence for the following.

Action Category

Plant nectar flower mixture/wildflower strips

Action Link
Farmland Conservation
  1. Plant nectar flower mixture/wildflower strips

    A replicated, controlled study in 2002 and 2004 (April-July) in central Switzerland (Luka et al. 2006) found more spiders (Araneae) and ground beetles (Carabidae) in wildflower strips and extended field margins than in permanent road margins. There were more ground beetle species in wildflower strips and extended field margins than in road margins, whereas there were fewer spider species in wildflower strips than in road margins. No statistical analyses were performed on the data. Four extended field margins (one-year-old in 2002), four sown wildflower strips (one to four years-old) and four permanent meadow strips (road margins, less than 10 years old) in two different regions on 12 farmland sites were compared. All sites were 100-250 m-long and 0.5-5.0 m-wide, except for one 50 m-wide wildflower strip. No information was provided about seed mixtures used for margin establishment, however the existing vegetation on the sites was either grass dominated, or a species-poor to species-rich flora dominated by flowering herbs. Arthropods were sampled using pitfall (funnel) traps placed in groups of four at least 10 m apart in each site. The traps were emptied weekly for three weeks in April-May and two weeks in June-July.

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