Abstract
Abstract So far, much effort has been invested in the conservation of vulnerable freshwater habitats, yet their number still displays a decreasing tendency worldwide. Although many species have accepted man-made wetlands, their frequent disturbance may have a negative impact on these species. In this study, we examined the effects of human disturbance on the Great Reed Warbler, Acrocephalus arundinaceus, nesting population in a semi-urban reed habitat (canal) in Sombor, north-western Serbia. We found that Great Reed Warblers avoided nesting in canal sections where humans altered the reed and bank vegetation by cutting and building piers and other objects. The nesting population moved to other, less disturbed canal sections. Despite the disturbance, the breeding parameters, such as brood parasitism, nest predation, nest desertion and nesting success, did not show significant variations. We conclude that human disturbance does not change breeding performance but may cause adult birds to leave the habitat. We suggest that any human disturbance should be limited and carefully undertaken by following governmental rules.
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