The influence of treeline structure and wind protection on commuting and foraging common pipistrelles (Pipistrellus pipistrellus)

摘要

The influence of wind protection on the activity and distribution of commuting and foraging common pipistrelles (Pipistrellus pipistrellus) was examined in an area with a relatively windy climate. The wind protection provided by the treelines was quantified by their height, width, and permeability. General and feeding activities of pipistrelles were positively related to the height, width and foliage density of the treelines. The preference for commuting routes leading from a maternity roost was explained by the distribution of potentially good feeding sites close to the roost. The results highlight the importance of wind protected areas which allow bats to feed during windy conditions. This has implications for the conservation of bats and their habitats. It is argued that the number and distribution of sheltered feeding sites are a major constraint on bat density, especially in areas with a windy climate.