Habitat selection of Ortolan Buntings Emberiza hortulana on forest clear-cuts in northern Sweden
Keywords:foraging areas, conservation, habitat range change, population studies, nest site selection
Ortolan Buntings Emberiza hortulana in Sweden used to occur mainly in farmland. Nowadays, a large proportion of the remaining population is found on forest clear-cuts in northern Sweden. Few studies have identified the types of clear-cuts that Ortolan Buntings prefer and whether these habitats are used for both breeding and foraging. We recorded presence and abundance of ortolan buntings on clear-cuts in Västerbotten County, northern Sweden. We sampled 123 clear-cuts (present N = 48, absent N = 75; total of 93–100 territories) and our results showed that clear-cut size, the number of remaining trees, bare soil percentage (≥10%) and narrow-leaved grass vegetation had a positive influence on ortolan bunting occupancy. The number of territories on clear-cuts was positively related to clear-cut size and number of remaining trees. Proximity to nearby farmland did not influence occupancy on clear-cuts. Behavioural observations indicated that the forest clear-cuts were used for both nesting and feeding. We discuss these results in relation to forest management policies and conservation of the ortolan bunting.
How to Cite
The copyright of each contribution belongs to the author(s), but all contributions are published under a Creative Commons license, so that anyone is free to share and reuse the contribution as long as the copyright holder is attributed.