In each sampling site, seven taxa are sampled:
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Bees are sampled using coloured pan traps |
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Birds are sampled through 10 min point-counts centered on the border of the field. |
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Butterflies are sampled visually along a 50 m transect. |
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Carabids are sampled using pitfall traps. |
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Syrphids are sampled using coloured pan traps |
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Plantes are sampled along a 50 m transect. |
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Spiders are sampled using pitfall traps. |
The following sampling scheme is applied in each sampling site: