Monitoring non-natural mortality in the barn owl (Tyto alba), as an indicator of land use and social awareness in Spain

摘要: Abstract Non-natural mortality patterns in the barn owl ( Tyto alba ) were studied Central Spain between 1990 and 1999. The data are compared to those from same area previous decade (1983–1989). Seasonal has changed significantly presumably due recent plagues of field voles Microtus arvalis ). Results show a clear shift patterns, with reduced levels deliberate direct prosecution (mainly shooting nest-robbing) second period. decrease killing during 1990s seems be closely related important efforts carried out globally systematically throughout country environmental education. However, percentages casualties car collisions have increased period, probably as combined consequence reduction along enlargement Spanish road network increase number vehicles. Monitoring non-natural good indicator social awareness landscape use.