Abstract
Abstract The movement pattern of arthropods (carabid beetles and lycosid spiders) has been analysed in the area adjacent to agricultural roads and railway tracks by means of controlled release experiments and mark-release-recapture studies. While grassy field-tracks have no significant effect on the movement of arthropods, paved and gravel field-tracks stimulate longitudinal movements and reduce the rate of crossings. Similar results were found with mark-release-recapture experiments at a railway track. In modern agricultural landscapes the density of paved agricultural roads is increasing. Such linear infrastructures may hamper the dispersal of ground-foraging arthropods and reduce the immigration rate to isolated patches of natural or semi-natural habitats.
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